diff --git a/app/components/bulk_upload_error_summary_table_component.html.erb b/app/components/bulk_upload_error_summary_table_component.html.erb
new file mode 100644
index 000000000..f1749ee92
--- /dev/null
+++ b/app/components/bulk_upload_error_summary_table_component.html.erb
@@ -0,0 +1,25 @@
+<%= govuk_table do |table| %>
+  <% table.caption(size: "m", text: bulk_upload.filename) %>
+
+  <% table.head do |head| %>
+    <% head.row do |row| %>
+      <% row.cell(text: "Column", header: true) %>
+      <% row.cell(text: "Number of rows", header: true) %>
+      <% row.cell(text: "Question", header: true) %>
+      <% row.cell(text: "Error", header: true) %>
+      <% row.cell(text: "Specification", header: true) %>
+    <% end %>
+  <% end %>
+
+  <% table.body do |body| %>
+    <% sorted_errors.each do |error| %>
+      <% body.row do |row| %>
+        <% row.cell(text: error[0][0]) %>
+        <% row.cell(text: error[1]) %>
+        <% row.cell(text: BulkUpload::Lettings::Validator.question_for_field(error[0][1].to_sym)) %>
+        <% row.cell(text: error[0][2]) %>
+        <% row.cell(text: error[0][1]) %>
+      <% end %>
+    <% end %>
+  <% end %>
+<% end %>
diff --git a/app/components/bulk_upload_error_summary_table_component.rb b/app/components/bulk_upload_error_summary_table_component.rb
new file mode 100644
index 000000000..ac236af4d
--- /dev/null
+++ b/app/components/bulk_upload_error_summary_table_component.rb
@@ -0,0 +1,17 @@
+class BulkUploadErrorSummaryTableComponent < ViewComponent::Base
+  attr_reader :bulk_upload
+
+  def initialize(bulk_upload:)
+    @bulk_upload = bulk_upload
+
+    super
+  end
+
+  def sorted_errors
+    @sorted_errors ||= bulk_upload
+      .bulk_upload_errors
+      .group(:col, :field, :error)
+      .count
+      .sort_by { |el| el[0][0].rjust(3, "0") }
+  end
+end
diff --git a/app/controllers/bulk_upload_lettings_results_controller.rb b/app/controllers/bulk_upload_lettings_results_controller.rb
index 1c5342cd8..6f92c0375 100644
--- a/app/controllers/bulk_upload_lettings_results_controller.rb
+++ b/app/controllers/bulk_upload_lettings_results_controller.rb
@@ -19,6 +19,10 @@ class BulkUploadLettingsResultsController < ApplicationController
     end
   end
 
+  def summary
+    @bulk_upload = current_user.bulk_uploads.lettings.find(params[:id])
+  end
+
 private
 
   def reset_logs_filters
diff --git a/app/mailers/bulk_upload_mailer.rb b/app/mailers/bulk_upload_mailer.rb
new file mode 100644
index 000000000..5ab0d70b0
--- /dev/null
+++ b/app/mailers/bulk_upload_mailer.rb
@@ -0,0 +1,79 @@
+class BulkUploadMailer < NotifyMailer
+  BULK_UPLOAD_COMPLETE_TEMPLATE_ID = "83279578-c890-4168-838b-33c9cf0dc9f0".freeze
+  BULK_UPLOAD_FAILED_CSV_ERRORS_TEMPLATE_ID = "e27abcd4-5295-48c2-b127-e9ee4b781b75".freeze
+  BULK_UPLOAD_FAILED_FILE_SETUP_ERROR_TEMPLATE_ID = "24c9f4c7-96ad-470a-ba31-eb51b7cbafd9".freeze
+  BULK_UPLOAD_FAILED_SERVICE_ERROR_TEMPLATE_ID = "c3f6288c-7a74-4e77-99ee-6c4a0f6e125a".freeze
+  BULK_UPLOAD_WITH_ERRORS_TEMPLATE_ID = "eb539005-6234-404e-812d-167728cf4274".freeze
+
+  def send_bulk_upload_complete_mail(user, bulk_upload)
+    send_email(
+      user.email,
+      BULK_UPLOAD_COMPLETE_TEMPLATE_ID,
+      {
+        title: "[#{bulk_upload} title]",
+        filename: "[#{bulk_upload} filename]",
+        upload_timestamp: "[#{bulk_upload} upload_timestamp]",
+        success_description: "[#{bulk_upload} success_description]",
+        logs_link: "[#{bulk_upload} logs_link]",
+      },
+    )
+  end
+
+  def send_bulk_upload_failed_csv_errors_mail(user, bulk_upload)
+    send_email(
+      user.email,
+      BULK_UPLOAD_FAILED_CSV_ERRORS_TEMPLATE_ID,
+      {
+        filename: "[#{bulk_upload} filename]",
+        upload_timestamp: "[#{bulk_upload} upload_timestamp]",
+        year_combo: "[#{bulk_upload} year_combo]",
+        lettings_or_sales: "[#{bulk_upload} lettings_or_sales]",
+        error_description: "[#{bulk_upload} error_description]",
+        summary_report_link: "[#{bulk_upload} summary_report_link]",
+      },
+    )
+  end
+
+  def send_bulk_upload_failed_file_setup_error_mail(user, bulk_upload)
+    send_email(
+      user.email,
+      BULK_UPLOAD_FAILED_FILE_SETUP_ERROR_TEMPLATE_ID,
+      {
+        filename: "[#{bulk_upload} filename]",
+        upload_timestamp: "[#{bulk_upload} upload_timestamp]",
+        lettings_or_sales: "[#{bulk_upload} lettings_or_sales]",
+        year_combo: "[#{bulk_upload} year_combo]",
+        errors_list: "[#{bulk_upload} errors_list]",
+        bulk_upload_link: "[#{bulk_upload} bulk_upload_link]",
+      },
+    )
+  end
+
+  def send_bulk_upload_failed_service_error_mail(user, bulk_upload)
+    send_email(
+      user.email,
+      BULK_UPLOAD_FAILED_SERVICE_ERROR_TEMPLATE_ID,
+      {
+        filename: "[#{bulk_upload} filename]",
+        upload_timestamp: "[#{bulk_upload} upload_timestamp]",
+        lettings_or_sales: "[#{bulk_upload} lettings_or_sales]",
+        year_combo: "[#{bulk_upload} year_combo]",
+        bulk_upload_link: "[#{bulk_upload} bulk_upload_link]",
+      },
+    )
+  end
+
+  def send_bulk_upload_with_errors_mail(user, bulk_upload)
+    send_email(
+      user.email,
+      BULK_UPLOAD_WITH_ERRORS_TEMPLATE_ID,
+      {
+        title: "[#{bulk_upload} title]",
+        filename: "[#{bulk_upload} filename]",
+        upload_timestamp: "[#{bulk_upload} upload_timestamp]",
+        error_description: "[#{bulk_upload} error_description]",
+        summary_report_link: "[#{bulk_upload} summary_report_link]",
+      },
+    )
+  end
+end
diff --git a/app/models/bulk_upload.rb b/app/models/bulk_upload.rb
index 7933ac204..3d0ef93f0 100644
--- a/app/models/bulk_upload.rb
+++ b/app/models/bulk_upload.rb
@@ -3,7 +3,8 @@ class BulkUpload < ApplicationRecord
 
   belongs_to :user
 
-  has_many :bulk_upload_errors
+  has_many :bulk_upload_errors, dependent: :destroy
+
   has_many :lettings_logs
   has_many :sales_logs
 
diff --git a/app/models/derived_variables/sales_log_variables.rb b/app/models/derived_variables/sales_log_variables.rb
index 245361a80..16fb6ebd7 100644
--- a/app/models/derived_variables/sales_log_variables.rb
+++ b/app/models/derived_variables/sales_log_variables.rb
@@ -15,6 +15,9 @@ module DerivedVariables::SalesLogVariables
     if mscharge_known.present? && mscharge_known.zero?
       self.mscharge = 0
     end
+    if mortgage_not_used?
+      self.mortgage = 0
+    end
     self.pcode1, self.pcode2 = postcode_full.split(" ") if postcode_full.present?
     self.totchild = total_child
     self.totadult = total_adult + total_elder
diff --git a/app/models/form/sales/pages/deposit_and_mortgage_value_check.rb b/app/models/form/sales/pages/deposit_and_mortgage_value_check.rb
new file mode 100644
index 000000000..338889030
--- /dev/null
+++ b/app/models/form/sales/pages/deposit_and_mortgage_value_check.rb
@@ -0,0 +1,17 @@
+class Form::Sales::Pages::DepositAndMortgageValueCheck < ::Form::Page
+  def initialize(id, hsh, subsection)
+    super
+    @depends_on = [
+      {
+        "mortgage_plus_deposit_less_than_discounted_value?" => true,
+      },
+    ]
+    @informative_text = {}
+  end
+
+  def questions
+    @questions ||= [
+      Form::Sales::Questions::DepositAndMortgageValueCheck.new(nil, nil, self),
+    ]
+  end
+end
diff --git a/app/models/form/sales/pages/old_persons_shared_ownership_value_check.rb b/app/models/form/sales/pages/old_persons_shared_ownership_value_check.rb
new file mode 100644
index 000000000..9198af18a
--- /dev/null
+++ b/app/models/form/sales/pages/old_persons_shared_ownership_value_check.rb
@@ -0,0 +1,21 @@
+class Form::Sales::Pages::OldPersonsSharedOwnershipValueCheck < ::Form::Page
+  def initialize(id, hsh, subsection)
+    super
+    @depends_on = [
+      {
+        "buyers_age_for_old_persons_shared_ownership_invalid?" => true,
+      },
+    ]
+    @title_text = {
+      "translation" => "soft_validations.old_persons_shared_ownership",
+      "arguments" => [],
+    }
+    @informative_text = {}
+  end
+
+  def questions
+    @questions ||= [
+      Form::Sales::Questions::OldPersonsSharedOwnershipValueCheck.new(nil, nil, self),
+    ]
+  end
+end
diff --git a/app/models/form/sales/pages/shared_ownership_deposit_value_check.rb b/app/models/form/sales/pages/shared_ownership_deposit_value_check.rb
new file mode 100644
index 000000000..907968028
--- /dev/null
+++ b/app/models/form/sales/pages/shared_ownership_deposit_value_check.rb
@@ -0,0 +1,27 @@
+class Form::Sales::Pages::SharedOwnershipDepositValueCheck < ::Form::Page
+  def initialize(id, hsh, subsection)
+    super
+    @depends_on = [
+      {
+        "shared_ownership_deposit_invalid?" => true,
+      },
+    ]
+    @informative_text = {}
+    @title_text = {
+      "translation" => "soft_validations.shared_owhership_deposit.title_text",
+      "arguments" => [
+        {
+          "key" => "expected_shared_ownership_deposit_value",
+          "label" => false,
+          "i18n_template" => "expected_shared_ownership_deposit_value",
+        },
+      ],
+    }
+  end
+
+  def questions
+    @questions ||= [
+      Form::Sales::Questions::SharedOwnershipDepositValueCheck.new(nil, nil, self),
+    ]
+  end
+end
diff --git a/app/models/form/sales/pages/staircase_bought_value_check.rb b/app/models/form/sales/pages/staircase_bought_value_check.rb
new file mode 100644
index 000000000..b7b8178ff
--- /dev/null
+++ b/app/models/form/sales/pages/staircase_bought_value_check.rb
@@ -0,0 +1,27 @@
+class Form::Sales::Pages::StaircaseBoughtValueCheck < ::Form::Page
+  def initialize(id, hsh, subsection)
+    super
+    @id = "staircase_bought_value_check"
+    @depends_on = [
+      {
+        "staircase_bought_above_fifty?" => true,
+      },
+    ]
+    @title_text = {
+      "translation" => "soft_validations.staircase_bought_seems_high",
+      "arguments" => [
+        {
+          "key" => "stairbought",
+          "i18n_template" => "percentage",
+        },
+      ],
+    }
+    @informative_text = {}
+  end
+
+  def questions
+    @questions ||= [
+      Form::Sales::Questions::StaircaseBoughtValueCheck.new(nil, nil, self),
+    ]
+  end
+end
diff --git a/app/models/form/sales/questions/deposit_and_mortgage_value_check.rb b/app/models/form/sales/questions/deposit_and_mortgage_value_check.rb
new file mode 100644
index 000000000..263cf4342
--- /dev/null
+++ b/app/models/form/sales/questions/deposit_and_mortgage_value_check.rb
@@ -0,0 +1,23 @@
+class Form::Sales::Questions::DepositAndMortgageValueCheck < ::Form::Question
+  def initialize(id, hsh, page)
+    super
+    @id = "deposit_and_mortgage_value_check"
+    @check_answer_label = "Deposit and mortgage against discount confirmation"
+    @header = "Are you sure? Mortgage and deposit usually equal or are more than (value - discount)"
+    @type = "interruption_screen"
+    @answer_options = {
+      "0" => { "value" => "Yes" },
+      "1" => { "value" => "No" },
+    }
+    @hidden_in_check_answers = {
+      "depends_on" => [
+        {
+          "deposit_and_mortgage_value_check" => 0,
+        },
+        {
+          "deposit_and_mortgage_value_check" => 1,
+        },
+      ],
+    }
+  end
+end
diff --git a/app/models/form/sales/questions/old_persons_shared_ownership_value_check.rb b/app/models/form/sales/questions/old_persons_shared_ownership_value_check.rb
new file mode 100644
index 000000000..c869dd3be
--- /dev/null
+++ b/app/models/form/sales/questions/old_persons_shared_ownership_value_check.rb
@@ -0,0 +1,23 @@
+class Form::Sales::Questions::OldPersonsSharedOwnershipValueCheck < ::Form::Question
+  def initialize(id, hsh, page)
+    super
+    @id = "old_persons_shared_ownership_value_check"
+    @check_answer_label = "Shared ownership confirmation"
+    @header = "Are you sure this is correct?"
+    @type = "interruption_screen"
+    @answer_options = {
+      "0" => { "value" => "Yes" },
+      "1" => { "value" => "No" },
+    }
+    @hidden_in_check_answers = {
+      "depends_on" => [
+        {
+          "old_persons_shared_ownership_value_check" => 0,
+        },
+        {
+          "old_persons_shared_ownership_value_check" => 1,
+        },
+      ],
+    }
+  end
+end
diff --git a/app/models/form/sales/questions/shared_ownership_deposit_value_check.rb b/app/models/form/sales/questions/shared_ownership_deposit_value_check.rb
new file mode 100644
index 000000000..3f8111881
--- /dev/null
+++ b/app/models/form/sales/questions/shared_ownership_deposit_value_check.rb
@@ -0,0 +1,23 @@
+class Form::Sales::Questions::SharedOwnershipDepositValueCheck < ::Form::Question
+  def initialize(id, hsh, page)
+    super
+    @id = "shared_ownership_deposit_value_check"
+    @check_answer_label = "Shared ownership deposit confirmation"
+    @type = "interruption_screen"
+    @header = "Are you sure this is correct?"
+    @answer_options = {
+      "0" => { "value" => "Yes" },
+      "1" => { "value" => "No" },
+    }
+    @hidden_in_check_answers = {
+      "depends_on" => [
+        {
+          "shared_ownership_deposit_value_check" => 0,
+        },
+        {
+          "shared_ownership_deposit_value_check" => 1,
+        },
+      ],
+    }
+  end
+end
diff --git a/app/models/form/sales/questions/staircase_bought.rb b/app/models/form/sales/questions/staircase_bought.rb
index bdb5ac965..385cfb782 100644
--- a/app/models/form/sales/questions/staircase_bought.rb
+++ b/app/models/form/sales/questions/staircase_bought.rb
@@ -8,6 +8,6 @@ class Form::Sales::Questions::StaircaseBought < ::Form::Question
     @width = 5
     @min = 0
     @max = 100
-    @suffix = " percent"
+    @suffix = "%"
   end
 end
diff --git a/app/models/form/sales/questions/staircase_bought_value_check.rb b/app/models/form/sales/questions/staircase_bought_value_check.rb
new file mode 100644
index 000000000..65fe02e66
--- /dev/null
+++ b/app/models/form/sales/questions/staircase_bought_value_check.rb
@@ -0,0 +1,23 @@
+class Form::Sales::Questions::StaircaseBoughtValueCheck < ::Form::Question
+  def initialize(id, hsh, page)
+    super
+    @id = "staircase_bought_value_check"
+    @check_answer_label = "Percentage bought confirmation"
+    @header = "Are you sure this is correct?"
+    @type = "interruption_screen"
+    @answer_options = {
+      "0" => { "value" => "Yes" },
+      "1" => { "value" => "No" },
+    }
+    @hidden_in_check_answers = {
+      "depends_on" => [
+        {
+          "staircase_bought_value_check" => 0,
+        },
+        {
+          "staircase_bought_value_check" => 1,
+        },
+      ],
+    }
+  end
+end
diff --git a/app/models/form/sales/questions/staircase_owned.rb b/app/models/form/sales/questions/staircase_owned.rb
index 6f9e13b14..7e6dab5d6 100644
--- a/app/models/form/sales/questions/staircase_owned.rb
+++ b/app/models/form/sales/questions/staircase_owned.rb
@@ -8,6 +8,6 @@ class Form::Sales::Questions::StaircaseOwned < ::Form::Question
     @width = 5
     @min = 0
     @max = 100
-    @suffix = " percent"
+    @suffix = "%"
   end
 end
diff --git a/app/models/form/sales/subsections/discounted_ownership_scheme.rb b/app/models/form/sales/subsections/discounted_ownership_scheme.rb
index 2ab47e729..925f651e8 100644
--- a/app/models/form/sales/subsections/discounted_ownership_scheme.rb
+++ b/app/models/form/sales/subsections/discounted_ownership_scheme.rb
@@ -14,9 +14,11 @@ class Form::Sales::Subsections::DiscountedOwnershipScheme < ::Form::Subsection
       Form::Sales::Pages::AboutPriceNotRtb.new(nil, nil, self),
       Form::Sales::Pages::GrantValueCheck.new(nil, nil, self),
       Form::Sales::Pages::PurchasePrice.new("purchase_price_discounted_ownership", nil, self),
+      Form::Sales::Pages::DepositAndMortgageValueCheck.new("discounted_ownership_deposit_and_mortgage_value_check_after_value_and_discount", nil, self),
       Form::Sales::Pages::Mortgageused.new("mortgage_used_discounted_ownership", nil, self),
       Form::Sales::Pages::MortgageAmount.new("mortgage_amount_discounted_ownership", nil, self),
       Form::Sales::Pages::ExtraBorrowingValueCheck.new("extra_borrowing_mortgage_value_check", nil, self),
+      Form::Sales::Pages::DepositAndMortgageValueCheck.new("discounted_ownership_deposit_and_mortgage_value_check_after_mortgage", nil, self),
       Form::Sales::Pages::MortgageLender.new("mortgage_lender_discounted_ownership", nil, self),
       Form::Sales::Pages::MortgageLenderOther.new("mortgage_lender_other_discounted_ownership", nil, self),
       Form::Sales::Pages::MortgageLength.new("mortgage_length_discounted_ownership", nil, self),
@@ -25,6 +27,7 @@ class Form::Sales::Subsections::DiscountedOwnershipScheme < ::Form::Subsection
       Form::Sales::Pages::AboutDepositWithoutDiscount.new("about_deposit_discounted_ownership", nil, self),
       Form::Sales::Pages::ExtraBorrowingValueCheck.new("extra_borrowing_deposit_value_check", nil, self),
       Form::Sales::Pages::DepositValueCheck.new("discounted_ownership_deposit_value_check", nil, self),
+      Form::Sales::Pages::DepositAndMortgageValueCheck.new("discounted_ownership_deposit_and_mortgage_value_check_after_deposit", nil, self),
       Form::Sales::Pages::LeaseholdCharges.new("leasehold_charges_discounted_ownership", nil, self),
     ]
   end
diff --git a/app/models/form/sales/subsections/household_characteristics.rb b/app/models/form/sales/subsections/household_characteristics.rb
index b4c8badcf..bfccf0fa2 100644
--- a/app/models/form/sales/subsections/household_characteristics.rb
+++ b/app/models/form/sales/subsections/household_characteristics.rb
@@ -13,6 +13,7 @@ class Form::Sales::Subsections::HouseholdCharacteristics < ::Form::Subsection
       Form::Sales::Pages::Age1.new(nil, nil, self),
       Form::Sales::Pages::RetirementValueCheck.new("age_1_retirement_value_check", nil, self, person_index: 1),
       Form::Sales::Pages::RetirementValueCheck.new("age_1_retirement_value_check_joint_purchase", nil, self, person_index: 1),
+      Form::Sales::Pages::OldPersonsSharedOwnershipValueCheck.new("age_1_old_persons_shared_ownership_value_check", nil, self),
       Form::Sales::Pages::GenderIdentity1.new(nil, nil, self),
       Form::Sales::Pages::RetirementValueCheck.new("gender_1_retirement_value_check", nil, self, person_index: 1),
       Form::Sales::Pages::RetirementValueCheck.new("gender_1_retirement_value_check_joint_purchase", nil, self, person_index: 1),
@@ -31,6 +32,7 @@ class Form::Sales::Subsections::HouseholdCharacteristics < ::Form::Subsection
       Form::Sales::Pages::Buyer2RelationshipToBuyer1.new(nil, nil, self),
       Form::Sales::Pages::Age2.new(nil, nil, self),
       Form::Sales::Pages::RetirementValueCheck.new("age_2_retirement_value_check_joint_purchase", nil, self, person_index: 2),
+      Form::Sales::Pages::OldPersonsSharedOwnershipValueCheck.new("age_2_old_persons_shared_ownership_value_check", nil, self),
       Form::Sales::Pages::GenderIdentity2.new(nil, nil, self),
       Form::Sales::Pages::RetirementValueCheck.new("gender_2_retirement_value_check_joint_purchase", nil, self, person_index: 2),
       Form::Sales::Pages::Buyer2WorkingSituation.new(nil, nil, self),
diff --git a/app/models/form/sales/subsections/household_needs.rb b/app/models/form/sales/subsections/household_needs.rb
index b5d4d528e..a419cff95 100644
--- a/app/models/form/sales/subsections/household_needs.rb
+++ b/app/models/form/sales/subsections/household_needs.rb
@@ -2,7 +2,7 @@ class Form::Sales::Subsections::HouseholdNeeds < ::Form::Subsection
   def initialize(id, hsh, section)
     super
     @id = "household_needs"
-    @label = "Household needs"
+    @label = "Other household information"
     @depends_on = [{ "setup_completed?" => true }]
   end
 
diff --git a/app/models/form/sales/subsections/setup.rb b/app/models/form/sales/subsections/setup.rb
index d2261a33b..cb147e9c2 100644
--- a/app/models/form/sales/subsections/setup.rb
+++ b/app/models/form/sales/subsections/setup.rb
@@ -15,6 +15,7 @@ class Form::Sales::Subsections::Setup < ::Form::Subsection
       Form::Sales::Pages::SharedOwnershipType.new(nil, nil, self),
       Form::Sales::Pages::DiscountedOwnershipType.new(nil, nil, self),
       Form::Sales::Pages::OutrightOwnershipType.new(nil, nil, self),
+      Form::Sales::Pages::OldPersonsSharedOwnershipValueCheck.new("ownership_type_old_persons_shared_ownership_value_check", nil, self),
       Form::Sales::Pages::BuyerCompany.new(nil, nil, self),
       Form::Sales::Pages::BuyerLive.new(nil, nil, self),
       Form::Sales::Pages::JointPurchase.new(nil, nil, self),
diff --git a/app/models/form/sales/subsections/shared_ownership_scheme.rb b/app/models/form/sales/subsections/shared_ownership_scheme.rb
index 8c05cd82d..0e2e3fdda 100644
--- a/app/models/form/sales/subsections/shared_ownership_scheme.rb
+++ b/app/models/form/sales/subsections/shared_ownership_scheme.rb
@@ -11,6 +11,7 @@ class Form::Sales::Subsections::SharedOwnershipScheme < ::Form::Subsection
       Form::Sales::Pages::LivingBeforePurchase.new("living_before_purchase_shared_ownership", nil, self),
       Form::Sales::Pages::Staircase.new(nil, nil, self),
       Form::Sales::Pages::AboutStaircase.new(nil, nil, self),
+      Form::Sales::Pages::StaircaseBoughtValueCheck.new(nil, nil, self),
       Form::Sales::Pages::Resale.new(nil, nil, self),
       Form::Sales::Pages::ExchangeDate.new(nil, nil, self),
       Form::Sales::Pages::HandoverDate.new(nil, nil, self),
@@ -21,15 +22,18 @@ class Form::Sales::Subsections::SharedOwnershipScheme < ::Form::Subsection
       Form::Sales::Pages::PreviousPropertyType.new(nil, nil, self),
       Form::Sales::Pages::PreviousTenure.new(nil, nil, self),
       Form::Sales::Pages::AboutPriceSharedOwnership.new(nil, nil, self),
+      Form::Sales::Pages::SharedOwnershipDepositValueCheck.new("shared_ownership_equity_value_check", nil, self),
       Form::Sales::Pages::Mortgageused.new("mortgage_used_shared_ownership", nil, self),
       Form::Sales::Pages::MortgageAmount.new("mortgage_amount_shared_ownership", nil, self),
+      Form::Sales::Pages::SharedOwnershipDepositValueCheck.new("shared_ownership_mortgage_amount_value_check", nil, self),
       Form::Sales::Pages::MortgageLender.new("mortgage_lender_shared_ownership", nil, self),
       Form::Sales::Pages::MortgageLenderOther.new("mortgage_lender_other_shared_ownership", nil, self),
       Form::Sales::Pages::MortgageLength.new("mortgage_length_shared_ownership", nil, self),
       Form::Sales::Pages::ExtraBorrowing.new("extra_borrowing_shared_ownership", nil, self),
       Form::Sales::Pages::AboutDepositWithDiscount.new(nil, nil, self),
       Form::Sales::Pages::AboutDepositWithoutDiscount.new("about_deposit_shared_ownership", nil, self),
-      Form::Sales::Pages::DepositValueCheck.new("shared_ownership_deposit_value_check", nil, self),
+      Form::Sales::Pages::DepositValueCheck.new("deposit_value_check", nil, self),
+      Form::Sales::Pages::SharedOwnershipDepositValueCheck.new("shared_ownership_deposit_value_check", nil, self),
       Form::Sales::Pages::MonthlyRent.new(nil, nil, self),
       Form::Sales::Pages::LeaseholdCharges.new("leasehold_charges_shared_ownership", nil, self),
     ]
diff --git a/app/models/log.rb b/app/models/log.rb
index fcde08bdb..45f3e9607 100644
--- a/app/models/log.rb
+++ b/app/models/log.rb
@@ -108,7 +108,6 @@ private
     return unless form
 
     form.reset_not_routed_questions(self)
-
     reset_created_by!
   end
 
diff --git a/app/models/sales_log.rb b/app/models/sales_log.rb
index aa3eb1c09..7a57be8ee 100644
--- a/app/models/sales_log.rb
+++ b/app/models/sales_log.rb
@@ -1,4 +1,5 @@
 class SalesLogValidator < ActiveModel::Validator
+  include Validations::Sales::SetupValidations
   include Validations::Sales::HouseholdValidations
   include Validations::Sales::PropertyValidations
   include Validations::SharedValidations
@@ -23,18 +24,18 @@ class SalesLog < Log
   has_paper_trail
 
   validates_with SalesLogValidator
-  before_validation :set_derived_fields!
   before_validation :reset_invalidated_dependent_fields!
   before_validation :process_postcode_changes!, if: :postcode_full_changed?
   before_validation :process_previous_postcode_changes!, if: :ppostcode_full_changed?
   before_validation :reset_location_fields!, unless: :postcode_known?
   before_validation :reset_previous_location_fields!, unless: :previous_postcode_known?
+  before_validation :set_derived_fields!
 
   scope :filter_by_year, ->(year) { where(saledate: Time.zone.local(year.to_i, 4, 1)...Time.zone.local(year.to_i + 1, 4, 1)) }
   scope :search_by, ->(param) { filter_by_id(param) }
   scope :filter_by_organisation, ->(org, _user = nil) { where(owning_organisation: org) }
 
-  OPTIONAL_FIELDS = %w[purchid].freeze
+  OPTIONAL_FIELDS = %w[purchid old_persons_shared_ownership_value_check].freeze
   RETIREMENT_AGES = { "M" => 65, "F" => 60, "X" => 65 }.freeze
 
   def startdate
@@ -159,6 +160,12 @@ class SalesLog < Log
     end
   end
 
+  def expected_shared_ownership_deposit_value
+    return unless value && equity
+
+    (value * equity / 100).round(2)
+  end
+
   def process_postcode(postcode, postcode_known_key, la_inferred_key, la_key)
     return if postcode.blank?
 
@@ -211,4 +218,18 @@ class SalesLog < Log
   def old_persons_shared_ownership?
     type == 24
   end
+
+  def shared_owhership_scheme?
+    ownershipsch == 1
+  end
+
+  def buyers_age_for_old_persons_shared_ownership_invalid?
+    return unless old_persons_shared_ownership?
+
+    (joint_purchase? && ages_unknown_or_under_64?([1, 2])) || (not_joint_purchase? && ages_unknown_or_under_64?([1]))
+  end
+
+  def ages_unknown_or_under_64?(person_indexes)
+    person_indexes.all? { |person_num| self["age#{person_num}"].present? && self["age#{person_num}"] < 64 || self["age#{person_num}_known"] == 1 }
+  end
 end
diff --git a/app/models/validations/sales/financial_validations.rb b/app/models/validations/sales/financial_validations.rb
index 116ecf301..df7dc8df5 100644
--- a/app/models/validations/sales/financial_validations.rb
+++ b/app/models/validations/sales/financial_validations.rb
@@ -3,11 +3,19 @@ module Validations::Sales::FinancialValidations
   # or 'validate_' to run on submit as well
 
   def validate_income1(record)
-    if record.ecstat1 && record.income1 && record.ownershipsch == 1
+    if record.ecstat1 && record.income1 && record.la && record.ownershipsch == 1
       if record.london_property?
         record.errors.add :income1, I18n.t("validations.financial.income1.over_hard_max", hard_max: 90_000) if record.income1 > 90_000
+        record.errors.add :ecstat1, I18n.t("validations.financial.income1.over_hard_max", hard_max: 90_000) if record.income1 > 90_000
+        record.errors.add :ownershipsch, I18n.t("validations.financial.income1.over_hard_max", hard_max: 90_000) if record.income1 > 90_000
+        record.errors.add :la, I18n.t("validations.financial.income1.over_hard_max", hard_max: 90_000) if record.income1 > 90_000
+        record.errors.add :postcode_full, I18n.t("validations.financial.income1.over_hard_max", hard_max: 90_000) if record.income1 > 90_000
       elsif record.income1 > 80_000
         record.errors.add :income1, I18n.t("validations.financial.income1.over_hard_max", hard_max: 80_000)
+        record.errors.add :ecstat1, I18n.t("validations.financial.income1.over_hard_max", hard_max: 80_000)
+        record.errors.add :ownershipsch, I18n.t("validations.financial.income1.over_hard_max", hard_max: 80_000)
+        record.errors.add :la, I18n.t("validations.financial.income1.over_hard_max", hard_max: 80_000) if record.income1 > 80_000
+        record.errors.add :postcode_full, I18n.t("validations.financial.income1.over_hard_max", hard_max: 80_000) if record.income1 > 80_000
       end
     end
   end
@@ -19,4 +27,21 @@ module Validations::Sales::FinancialValidations
       record.errors.add :cashdis, I18n.t("validations.financial.cash_discount_invalid")
     end
   end
+
+  def validate_percentage_bought_not_greater_than_percentage_owned(record)
+    return unless record.stairbought && record.stairowned
+
+    if record.stairbought > record.stairowned
+      record.errors.add :stairowned, I18n.t("validations.financial.staircasing.percentage_bought_must_be_greater_than_percentage_owned")
+    end
+  end
+
+  def validate_percentage_owned_not_too_much_if_older_person(record)
+    return unless record.old_persons_shared_ownership? && record.stairowned
+
+    if record.stairowned > 75
+      record.errors.add :stairowned, I18n.t("validations.financial.staircasing.older_person_percentage_owned_maximum_75")
+      record.errors.add :type, I18n.t("validations.financial.staircasing.older_person_percentage_owned_maximum_75")
+    end
+  end
 end
diff --git a/app/models/validations/sales/household_validations.rb b/app/models/validations/sales/household_validations.rb
index c7af23299..f9318ab0f 100644
--- a/app/models/validations/sales/household_validations.rb
+++ b/app/models/validations/sales/household_validations.rb
@@ -10,20 +10,6 @@ module Validations::Sales::HouseholdValidations
     shared_validate_partner_count(record, 6)
   end
 
-  def validate_buyers_age_for_old_persons_shared_ownership(record)
-    if record.old_persons_shared_ownership?
-      if record.joint_purchase? && ages_unknown_or_under_64?(record, [1, 2])
-        record.errors.add :age1, I18n.t("validations.household.old_persons_shared_ownership")
-        record.errors.add :age2, I18n.t("validations.household.old_persons_shared_ownership")
-        record.errors.add :type, I18n.t("validations.household.old_persons_shared_ownership")
-      end
-      if record.not_joint_purchase? && ages_unknown_or_under_64?(record, [1])
-        record.errors.add :age1, I18n.t("validations.household.old_persons_shared_ownership")
-        record.errors.add :type, I18n.t("validations.household.old_persons_shared_ownership")
-      end
-    end
-  end
-
   def validate_previous_postcode(record)
     return unless record.postcode_full && record.ppostcode_full && record.discounted_ownership_sale?
 
@@ -108,8 +94,4 @@ private
   def tenant_is_economic_child?(economic_status)
     economic_status == 9
   end
-
-  def ages_unknown_or_under_64?(record, person_indexes)
-    person_indexes.all? { |person_num| record["age#{person_num}"].present? && record["age#{person_num}"] < 64 || record["age#{person_num}_known"] == 1 }
-  end
 end
diff --git a/app/models/validations/sales/sale_information_validations.rb b/app/models/validations/sales/sale_information_validations.rb
index c42c42ccc..24fdff3ea 100644
--- a/app/models/validations/sales/sale_information_validations.rb
+++ b/app/models/validations/sales/sale_information_validations.rb
@@ -3,7 +3,7 @@ module Validations::Sales::SaleInformationValidations
     return if record.saledate.blank? || record.hodate.blank?
 
     unless record.saledate > record.hodate
-      record.errors.add :hodate, "Practical completion or handover date must be before exchange date"
+      record.errors.add :hodate, I18n.t("validations.sale_information.hodate.must_be_before_exdate")
     end
   end
 
@@ -23,11 +23,15 @@ module Validations::Sales::SaleInformationValidations
   def validate_exchange_date(record)
     return unless record.exdate && record.saledate
 
-    record.errors.add(:exdate, I18n.t("validations.sale_information.exdate.must_be_before_saledate")) if record.exdate > record.saledate
-
-    return if (record.saledate.to_date - record.exdate.to_date).to_i / 365 < 1
+    if record.exdate > record.saledate
+      record.errors.add :exdate, I18n.t("validations.sale_information.exdate.must_be_before_saledate")
+      record.errors.add :saledate, I18n.t("validations.sale_information.saledate.must_be_after_exdate")
+    end
 
-    record.errors.add(:exdate, I18n.t("validations.sale_information.exdate.must_be_less_than_1_year_from_saledate"))
+    if record.saledate - record.exdate >= 1.year
+      record.errors.add :exdate, I18n.t("validations.sale_information.exdate.must_be_less_than_1_year_from_saledate")
+      record.errors.add :saledate, I18n.t("validations.sale_information.saledate.must_be_less_than_1_year_from_exdate")
+    end
   end
 
   def validate_previous_property_unit_type(record)
@@ -54,4 +58,13 @@ module Validations::Sales::SaleInformationValidations
       end
     end
   end
+
+  def validate_basic_monthly_rent(record)
+    return unless record.mrent && record.ownershipsch && record.type
+
+    if record.shared_owhership_scheme? && !record.old_persons_shared_ownership? && record.mrent > 9999
+      record.errors.add :mrent, I18n.t("validations.sale_information.monthly_rent.higher_than_expected")
+      record.errors.add :type, I18n.t("validations.sale_information.monthly_rent.higher_than_expected")
+    end
+  end
 end
diff --git a/app/models/validations/sales/setup_validations.rb b/app/models/validations/sales/setup_validations.rb
new file mode 100644
index 000000000..0e7a759ee
--- /dev/null
+++ b/app/models/validations/sales/setup_validations.rb
@@ -0,0 +1,9 @@
+module Validations::Sales::SetupValidations
+  def validate_saledate(record)
+    return unless record.saledate
+
+    unless Time.zone.local(2022, 4, 1) <= record.saledate && record.saledate < Time.zone.local(2023, 4, 1)
+      record.errors.add :saledate, I18n.t("validations.setup.saledate.financial_year")
+    end
+  end
+end
diff --git a/app/models/validations/sales/soft_validations.rb b/app/models/validations/sales/soft_validations.rb
index 742e505a5..0bffe1234 100644
--- a/app/models/validations/sales/soft_validations.rb
+++ b/app/models/validations/sales/soft_validations.rb
@@ -13,6 +13,10 @@ module Validations::Sales::SoftValidations
     income1 < ALLOWED_INCOME_RANGES[ecstat1][:soft_min]
   end
 
+  def staircase_bought_above_fifty?
+    stairbought && stairbought > 50
+  end
+
   def mortgage_over_soft_max?
     return false unless mortgage && inc1mort && inc2mort
     return false if income1_used_for_mortgage? && income1.blank? || income2_used_for_mortgage? && income2.blank?
@@ -43,6 +47,23 @@ module Validations::Sales::SoftValidations
     extrabor != 1 && mortgage + deposit > value - value * discount / 100
   end
 
+  def shared_ownership_deposit_invalid?
+    return unless mortgage || mortgageused == 2
+    return unless cashdis || !is_type_discount?
+    return unless deposit && value && equity
+
+    cash_discount = cashdis || 0
+    mortgage_value = mortgage || 0
+    mortgage_value + deposit + cash_discount != value * equity / 100
+  end
+
+  def mortgage_plus_deposit_less_than_discounted_value?
+    return unless mortgage && deposit && value && discount
+
+    discounted_value = value * (100 - discount) / 100
+    mortgage + deposit < discounted_value
+  end
+
   def hodate_3_years_or_more_saledate?
     return unless hodate && saledate
 
diff --git a/app/services/bulk_upload/lettings/validator.rb b/app/services/bulk_upload/lettings/validator.rb
index 8cfdee684..b96739836 100644
--- a/app/services/bulk_upload/lettings/validator.rb
+++ b/app/services/bulk_upload/lettings/validator.rb
@@ -164,6 +164,7 @@ class BulkUpload::Lettings::Validator
           property_ref: row_parser.field_100,
           row:,
           cell: "#{cols[field_number_for_attribute(error.attribute) - col_offset + 1]}#{row}",
+          col: cols[field_number_for_attribute(error.attribute) - col_offset + 1],
         )
       end
     end
diff --git a/app/views/bulk_upload_lettings_results/show.html.erb b/app/views/bulk_upload_lettings_results/show.html.erb
index 452926787..84374e26a 100644
--- a/app/views/bulk_upload_lettings_results/show.html.erb
+++ b/app/views/bulk_upload_lettings_results/show.html.erb
@@ -1,6 +1,10 @@
+<% content_for :before_content do %>
+  <%= govuk_back_link(text: "Back", href: summary_bulk_upload_lettings_result_path(@bulk_upload)) %>
+<% end %>
+
 <div class="govuk-grid-row">
   <div class="govuk-grid-column-two-thirds">
-    <span class="govuk-caption-l">Bulk Upload for lettings (<%= @bulk_upload.year_combo %>)</span>
+    <span class="govuk-caption-l">Bulk upload for lettings (<%= @bulk_upload.year_combo %>)</span>
     <h1 class="govuk-heading-l">We found <%= pluralize(@bulk_upload.bulk_upload_errors.count, "error") %> in your file</h1>
 
     <div class="govuk-body">
diff --git a/app/views/bulk_upload_lettings_results/summary.html.erb b/app/views/bulk_upload_lettings_results/summary.html.erb
new file mode 100644
index 000000000..04d8bdb92
--- /dev/null
+++ b/app/views/bulk_upload_lettings_results/summary.html.erb
@@ -0,0 +1,22 @@
+<div class="govuk-grid-row">
+  <div class="govuk-grid-column-two-thirds">
+    <span class="govuk-caption-l">Bulk upload for lettings (<%= @bulk_upload.year_combo %>)</span>
+    <h1 class="govuk-heading-l">Correct data export and reupload</h1>
+
+    <p class="govuk-body-l">
+      We noticed that you have a lot of similar errors for some questions. You can download the specification which we reference below to understand how to correct the data. Once you have fixed these errors you can upload again.
+    </p>
+  </div>
+</div>
+
+<%= render BulkUploadErrorSummaryTableComponent.new(bulk_upload: @bulk_upload) %>
+
+<div class="govuk-grid-row">
+  <div class="govuk-grid-column-two-thirds">
+    <p class="govuk-body">
+      You also have other errors in your file which you can either fix them in the CSV file or you can reupload and fix on CORE. <%= govuk_link_to "View the full report", bulk_upload_lettings_result_path(@bulk_upload) %>
+    </p>
+  </div>
+</div>
+
+<%= govuk_button_link_to "Upload your file again", start_bulk_upload_lettings_logs_path %>
diff --git a/config/locales/en.yml b/config/locales/en.yml
index c78363352..9a659b542 100644
--- a/config/locales/en.yml
+++ b/config/locales/en.yml
@@ -148,6 +148,8 @@ en:
     setup:
       intermediate_rent_product_name:
         blank: "Enter name of other intermediate rent product"
+      saledate:
+        financial_year: "Date must be from 22/23 financial year"
       startdate:
         later_than_14_days_after: "The tenancy start date must not be later than 14 days from today’s date"
         before_scheme_end_date: "The tenancy start date must be before the end date for this supported housing scheme"
@@ -276,6 +278,10 @@ en:
         out_of_range: "Household rent and other charges must be between %{min_chcharge} and %{max_chcharge} if paying %{period}"
         not_provided: "Enter how much rent and other charges the household pays %{period}"
       cash_discount_invalid: "Cash discount must be £0 - £999,999"
+      staircasing:
+        percentage_bought_must_be_greater_than_percentage_owned: "Total percentage buyer now owns must be more than percentage bought in this transaction"
+        older_person_percentage_owned_maximum_75: "Percentage cannot be above 75% under Older Person's Shared Ownership"
+
     household:
       reasonpref:
         not_homeless: "Answer cannot be ‘homeless or about to lose their home’ as the tenant was not homeless immediately prior to this letting"
@@ -369,10 +375,9 @@ en:
         not_internal_transfer: "Answer cannot be ‘permanently decanted from another property owned by this landlord’ as you told us the source of referral for this tenancy was not an internal transfer"
       condition_effects:
         no_choices: "You cannot answer this question as you told us nobody in the household has a physical or mental health condition (or other illness) expected to last 12 months or more"
-      old_persons_shared_ownership: "Are you sure? At least one buyer should be aged over 64 for Older persons‘ shared ownership scheme"
       postcode:
         discounted_ownership: "Last settled accommodation and discounted ownership property postcodes must match"
-
+      
     tenancy:
       length:
         fixed_term_not_required: "You must only answer the length of the tenancy if it's fixed-term"
@@ -417,16 +422,19 @@ en:
       proplen:
         social_homebuy: "Social HomeBuy buyers should not have lived here before"
         rent_to_buy: "Rent to Buy buyers should not have lived here before"
+      hodate:
+        must_be_before_exdate: "Practical completion or handover date must be before exchange date"
       exdate:
-        must_be_before_saledate:
-          Contract exchange date must be less than 1 year before completion date
-        must_be_less_than_1_year_from_saledate:
-          Contract exchange date must be less than 1 year before completion date
+        must_be_before_saledate: "Contract exchange date must be less than 1 year before completion date"
+        must_be_less_than_1_year_from_saledate: "Contract exchange date must be less than 1 year before completion date"
+      saledate:
+        must_be_after_exdate: "Completion date must be less than 1 year after contract exchange date"
+        must_be_less_than_1_year_from_exdate: "Completion date must be less than 1 year after contract exchange date"
       previous_property_beds:
         property_type_bedsit: "Bedsit bedroom maximum 1"
-      previous_property_type:
-        property_type_bedsit: "A bedsit can not have more than 1 bedroom"
       discounted_ownership_value: "Mortgage, deposit, and grant total must equal £%{value_with_discount}"
+      monthly_rent:
+        higher_than_expected: "Basic monthly rent must be between £0 and £9,999"
 
   soft_validations:
     net_income:
@@ -460,6 +468,9 @@ en:
       title_text: "You told us the time between the start of the tenancy and the major repairs completion date is more than 2 years"
     void_date:
       title_text: "You told us the time between the start of the tenancy and the void date is more than 2 years"
+    shared_owhership_deposit:
+      title_text: "Mortgage, deposit and cash discount total should equal £%{expected_shared_ownership_deposit_value}"
+    old_persons_shared_ownership: "At least one buyer should be aged over 64 for Older persons’ shared ownership scheme"
 
   devise:
     two_factor_authentication:
diff --git a/config/routes.rb b/config/routes.rb
index 913212dd2..be765c8c0 100644
--- a/config/routes.rb
+++ b/config/routes.rb
@@ -137,6 +137,7 @@ Rails.application.routes.draw do
       resources :bulk_upload_lettings_results, path: "bulk-upload-results", only: [:show] do
         member do
           get :resume
+          get :summary
         end
       end
 
diff --git a/db/migrate/20230120163049_add_deposit_and_mortgage_value_check_to_sales_logs.rb b/db/migrate/20230120163049_add_deposit_and_mortgage_value_check_to_sales_logs.rb
new file mode 100644
index 000000000..a9a80a4bb
--- /dev/null
+++ b/db/migrate/20230120163049_add_deposit_and_mortgage_value_check_to_sales_logs.rb
@@ -0,0 +1,5 @@
+class AddDepositAndMortgageValueCheckToSalesLogs < ActiveRecord::Migration[7.0]
+  def change
+    add_column :sales_logs, :deposit_and_mortgage_value_check, :integer
+  end
+end
diff --git a/db/migrate/20230123101256_add_shared_ownership_deposit_value_check.rb b/db/migrate/20230123101256_add_shared_ownership_deposit_value_check.rb
new file mode 100644
index 000000000..07efc5e4a
--- /dev/null
+++ b/db/migrate/20230123101256_add_shared_ownership_deposit_value_check.rb
@@ -0,0 +1,7 @@
+class AddSharedOwnershipDepositValueCheck < ActiveRecord::Migration[7.0]
+  def change
+    change_table :sales_logs, bulk: true do |t|
+      t.column :shared_ownership_deposit_value_check, :integer
+    end
+  end
+end
diff --git a/db/migrate/20230124105247_add_old_persons_shared_ownership_value_check.rb b/db/migrate/20230124105247_add_old_persons_shared_ownership_value_check.rb
new file mode 100644
index 000000000..ad5a0c70f
--- /dev/null
+++ b/db/migrate/20230124105247_add_old_persons_shared_ownership_value_check.rb
@@ -0,0 +1,7 @@
+class AddOldPersonsSharedOwnershipValueCheck < ActiveRecord::Migration[7.0]
+  def change
+    change_table :sales_logs, bulk: true do |t|
+      t.column :old_persons_shared_ownership_value_check, :integer
+    end
+  end
+end
diff --git a/db/migrate/20230125152916_add_staircase_bought_value_check_to_sales_log.rb b/db/migrate/20230125152916_add_staircase_bought_value_check_to_sales_log.rb
new file mode 100644
index 000000000..d7e227afa
--- /dev/null
+++ b/db/migrate/20230125152916_add_staircase_bought_value_check_to_sales_log.rb
@@ -0,0 +1,5 @@
+class AddStaircaseBoughtValueCheckToSalesLog < ActiveRecord::Migration[7.0]
+  def change
+    add_column :sales_logs, :staircase_bought_value_check, :integer
+  end
+end
diff --git a/db/migrate/20230126145529_add_column_to_bulk_upload_errors.rb b/db/migrate/20230126145529_add_column_to_bulk_upload_errors.rb
new file mode 100644
index 000000000..437b5f2cd
--- /dev/null
+++ b/db/migrate/20230126145529_add_column_to_bulk_upload_errors.rb
@@ -0,0 +1,5 @@
+class AddColumnToBulkUploadErrors < ActiveRecord::Migration[7.0]
+  def change
+    add_column :bulk_upload_errors, :col, :text
+  end
+end
diff --git a/db/schema.rb b/db/schema.rb
index 8722ec6a4..dc431d425 100644
--- a/db/schema.rb
+++ b/db/schema.rb
@@ -10,7 +10,7 @@
 #
 # It's strongly recommended that you check this file into your version control system.
 
-ActiveRecord::Schema[7.0].define(version: 2023_01_23_160741) do
+ActiveRecord::Schema[7.0].define(version: 2023_01_26_145529) do
   # These are extensions that must be enabled in order to support this database
   enable_extension "plpgsql"
 
@@ -25,6 +25,7 @@ ActiveRecord::Schema[7.0].define(version: 2023_01_23_160741) do
     t.text "error"
     t.datetime "created_at", null: false
     t.datetime "updated_at", null: false
+    t.text "col"
     t.index ["bulk_upload_id"], name: "index_bulk_upload_errors_on_bulk_upload_id"
   end
 
@@ -486,9 +487,9 @@ ActiveRecord::Schema[7.0].define(version: 2023_01_23_160741) do
     t.integer "hoyear"
     t.integer "fromprop"
     t.integer "socprevten"
-    t.integer "mortlen"
     t.integer "mortgagelender"
     t.string "mortgagelenderother"
+    t.integer "mortlen"
     t.integer "extrabor"
     t.integer "hhmemb"
     t.integer "totadult"
@@ -501,10 +502,13 @@ ActiveRecord::Schema[7.0].define(version: 2023_01_23_160741) do
     t.boolean "is_la_inferred"
     t.bigint "bulk_upload_id"
     t.integer "retirement_value_check"
-    t.integer "deposit_and_mortgage_value_check"
-    t.integer "grant_value_check"
     t.integer "hodate_check"
     t.integer "extrabor_value_check"
+    t.integer "grant_value_check"
+    t.integer "staircase_bought_value_check"
+    t.integer "deposit_and_mortgage_value_check"
+    t.integer "shared_ownership_deposit_value_check"
+    t.integer "old_persons_shared_ownership_value_check"
     t.index ["bulk_upload_id"], name: "index_sales_logs_on_bulk_upload_id"
     t.index ["created_by_id"], name: "index_sales_logs_on_created_by_id"
     t.index ["owning_organisation_id"], name: "index_sales_logs_on_owning_organisation_id"
diff --git a/db/seeds.rb b/db/seeds.rb
index 6a4098f9b..15d84a38d 100644
--- a/db/seeds.rb
+++ b/db/seeds.rb
@@ -148,7 +148,7 @@ unless Rails.env.test?
 
   if (Rails.env.development? || Rails.env.review?) && SalesLog.count.zero?
     SalesLog.find_or_create_by!(
-      saledate: Date.new(1, 1, 1),
+      saledate: Date.new(2023, 1, 1),
       purchid: "1",
       ownershipsch: 1,
       type: 2,
@@ -157,7 +157,7 @@ unless Rails.env.test?
     )
 
     SalesLog.find_or_create_by!(
-      saledate: Date.new(1, 1, 1),
+      saledate: Date.new(2023, 1, 1),
       purchid: "1",
       ownershipsch: 2,
       type: 9,
@@ -166,7 +166,7 @@ unless Rails.env.test?
     )
 
     SalesLog.find_or_create_by!(
-      saledate: Date.new(1, 1, 1),
+      saledate: Date.new(2023, 1, 1),
       purchid: "1",
       ownershipsch: 3,
       type: 10,
diff --git a/spec/components/bulk_upload_error_summary_table_component_spec.rb b/spec/components/bulk_upload_error_summary_table_component_spec.rb
new file mode 100644
index 000000000..cdb0b58bf
--- /dev/null
+++ b/spec/components/bulk_upload_error_summary_table_component_spec.rb
@@ -0,0 +1,81 @@
+require "rails_helper"
+
+RSpec.describe BulkUploadErrorSummaryTableComponent, type: :component do
+  subject(:component) { described_class.new(bulk_upload:) }
+
+  let(:bulk_upload) { create(:bulk_upload) }
+
+  context "when no errors" do
+    it "does not renders any rows" do
+      result = render_inline(component)
+      expect(result).not_to have_selector("tbody tr")
+    end
+  end
+
+  context "when there are 2 independent errors" do
+    let!(:error_2) { create(:bulk_upload_error, bulk_upload:, col: "B", row: 2) }
+    let!(:error_1) { create(:bulk_upload_error, bulk_upload:, col: "A", row: 1) }
+
+    it "renders rows for each error" do
+      result = render_inline(component)
+      expect(result).to have_selector("tbody tr", count: 2)
+    end
+
+    it "renders rows by col order" do
+      result = render_inline(component)
+      order = result.css("tbody tr td:nth-of-type(1)").map(&:content)
+      expect(order).to eql(%w[A B])
+    end
+
+    it "render correct data" do
+      result = render_inline(component)
+
+      row_1 = result.css("tbody tr:nth-of-type(1) td").map(&:content)
+
+      expect(row_1).to eql([
+        "A",
+        "1",
+        BulkUpload::Lettings::Validator.question_for_field(error_1.field.to_sym),
+        error_1.error,
+        error_1.field,
+      ])
+
+      row_2 = result.css("tbody tr:nth-of-type(2) td").map(&:content)
+
+      expect(row_2).to eql([
+        "B",
+        "1",
+        BulkUpload::Lettings::Validator.question_for_field(error_2.field.to_sym),
+        error_2.error,
+        error_2.field,
+      ])
+    end
+  end
+
+  context "when there are 2 grouped errors" do
+    let!(:error_1) { create(:bulk_upload_error, bulk_upload:, col: "A", row: 1, field: "field_1") }
+
+    before do
+      create(:bulk_upload_error, bulk_upload:, col: "A", row: 2, field: "field_1")
+    end
+
+    it "renders 1 row combining the errors" do
+      result = render_inline(component)
+      expect(result).to have_selector("tbody tr", count: 1)
+    end
+
+    it "render correct data" do
+      result = render_inline(component)
+
+      row_1 = result.css("tbody tr:nth-of-type(1) td").map(&:content)
+
+      expect(row_1).to eql([
+        "A",
+        "2",
+        BulkUpload::Lettings::Validator.question_for_field(error_1.field.to_sym),
+        error_1.error,
+        error_1.field,
+      ])
+    end
+  end
+end
diff --git a/spec/factories/bulk_upload_error.rb b/spec/factories/bulk_upload_error.rb
index 1f42f763d..885f27d9d 100644
--- a/spec/factories/bulk_upload_error.rb
+++ b/spec/factories/bulk_upload_error.rb
@@ -4,7 +4,8 @@ FactoryBot.define do
   factory :bulk_upload_error do
     bulk_upload
     row { rand(9_999) }
-    cell { "#{('A'..'Z').to_a.sample}#{row}" }
+    col { ("A".."Z").to_a.sample }
+    cell { "#{col}#{row}" }
     tenant_code { SecureRandom.hex(4) }
     property_ref { SecureRandom.hex(4) }
     purchaser_code { SecureRandom.hex(4) }
diff --git a/spec/factories/sales_log.rb b/spec/factories/sales_log.rb
index f83d102d3..085d4ca03 100644
--- a/spec/factories/sales_log.rb
+++ b/spec/factories/sales_log.rb
@@ -2,18 +2,18 @@ FactoryBot.define do
   factory :sales_log do
     created_by { FactoryBot.create(:user) }
     owning_organisation { created_by.organisation }
-    created_at { Time.utc(2022, 2, 8, 16, 52, 15) }
-    updated_at { Time.utc(2022, 2, 8, 16, 52, 15) }
+    created_at { Time.utc(2023, 2, 8, 16, 52, 15) }
+    updated_at { Time.utc(2023, 2, 8, 16, 52, 15) }
     trait :in_progress do
       purchid { "PC123" }
       ownershipsch { 2 }
       type { 8 }
-      saledate { Time.utc(2022, 2, 2, 10, 36, 49) }
+      saledate { Time.utc(2023, 2, 2, 10, 36, 49) }
     end
     trait :completed do
       ownershipsch { 2 }
       type { 8 }
-      saledate { Time.utc(2022, 2, 2, 10, 36, 49) }
+      saledate { Time.utc(2023, 2, 2, 10, 36, 49) }
       companybuy { 1 }
       jointpur { 1 }
       beds { 2 }
diff --git a/spec/models/form/sales/pages/old_persons_shared_ownership_value_check_spec.rb b/spec/models/form/sales/pages/old_persons_shared_ownership_value_check_spec.rb
new file mode 100644
index 000000000..05b6f7734
--- /dev/null
+++ b/spec/models/form/sales/pages/old_persons_shared_ownership_value_check_spec.rb
@@ -0,0 +1,44 @@
+require "rails_helper"
+
+RSpec.describe Form::Sales::Pages::OldPersonsSharedOwnershipValueCheck, type: :model do
+  subject(:page) { described_class.new(page_id, page_definition, subsection) }
+
+  let(:page_id) { "old_persons_shared_ownership_value_check" }
+  let(:page_definition) { nil }
+  let(:subsection) { instance_double(Form::Subsection) }
+
+  it "has correct subsection" do
+    expect(page.subsection).to eq(subsection)
+  end
+
+  it "has correct questions" do
+    expect(page.questions.map(&:id)).to eq(%w[old_persons_shared_ownership_value_check])
+  end
+
+  it "has the correct id" do
+    expect(page.id).to eq("old_persons_shared_ownership_value_check")
+  end
+
+  it "has the correct header" do
+    expect(page.header).to be_nil
+  end
+
+  it "has correct depends_on" do
+    expect(page.depends_on).to eq([
+      {
+        "buyers_age_for_old_persons_shared_ownership_invalid?" => true,
+      },
+    ])
+  end
+
+  it "has the correct title_text" do
+    expect(page.title_text).to eq({
+      "translation" => "soft_validations.old_persons_shared_ownership",
+      "arguments" => [],
+    })
+  end
+
+  it "has the correct informative_text" do
+    expect(page.informative_text).to eq({})
+  end
+end
diff --git a/spec/models/form/sales/pages/shared_ownership_deposit_value_check_spec.rb b/spec/models/form/sales/pages/shared_ownership_deposit_value_check_spec.rb
new file mode 100644
index 000000000..afe25f4d3
--- /dev/null
+++ b/spec/models/form/sales/pages/shared_ownership_deposit_value_check_spec.rb
@@ -0,0 +1,50 @@
+require "rails_helper"
+
+RSpec.describe Form::Sales::Pages::SharedOwnershipDepositValueCheck, type: :model do
+  subject(:page) { described_class.new(page_id, page_definition, subsection) }
+
+  let(:page_id) { "shared_ownership_deposit_value_check" }
+  let(:page_definition) { nil }
+  let(:subsection) { instance_double(Form::Subsection) }
+
+  it "has correct subsection" do
+    expect(page.subsection).to eq(subsection)
+  end
+
+  it "has correct questions" do
+    expect(page.questions.map(&:id)).to eq(%w[shared_ownership_deposit_value_check])
+  end
+
+  it "has the correct id" do
+    expect(page.id).to eq("shared_ownership_deposit_value_check")
+  end
+
+  it "has the correct header" do
+    expect(page.header).to be_nil
+  end
+
+  it "has correct depends_on" do
+    expect(page.depends_on).to eq([
+      {
+        "shared_ownership_deposit_invalid?" => true,
+      },
+    ])
+  end
+
+  it "has the correct title_text" do
+    expect(page.title_text).to eq({
+      "translation" => "soft_validations.shared_owhership_deposit.title_text",
+      "arguments" => [
+        {
+          "key" => "expected_shared_ownership_deposit_value",
+          "label" => false,
+          "i18n_template" => "expected_shared_ownership_deposit_value",
+        },
+      ],
+    })
+  end
+
+  it "has the correct informative_text" do
+    expect(page.informative_text).to eq({})
+  end
+end
diff --git a/spec/models/form/sales/questions/old_persons_shared_ownership_value_check_spec.rb b/spec/models/form/sales/questions/old_persons_shared_ownership_value_check_spec.rb
new file mode 100644
index 000000000..5ac066e31
--- /dev/null
+++ b/spec/models/form/sales/questions/old_persons_shared_ownership_value_check_spec.rb
@@ -0,0 +1,57 @@
+require "rails_helper"
+
+RSpec.describe Form::Sales::Questions::OldPersonsSharedOwnershipValueCheck, type: :model do
+  subject(:question) { described_class.new(question_id, question_definition, page) }
+
+  let(:question_id) { nil }
+  let(:question_definition) { nil }
+  let(:page) { instance_double(Form::Page) }
+
+  it "has correct page" do
+    expect(question.page).to eq(page)
+  end
+
+  it "has the correct id" do
+    expect(question.id).to eq("old_persons_shared_ownership_value_check")
+  end
+
+  it "has the correct header" do
+    expect(question.header).to eq("Are you sure this is correct?")
+  end
+
+  it "has the correct check_answer_label" do
+    expect(question.check_answer_label).to eq("Shared ownership confirmation")
+  end
+
+  it "has the correct type" do
+    expect(question.type).to eq("interruption_screen")
+  end
+
+  it "is not marked as derived" do
+    expect(question.derived?).to be false
+  end
+
+  it "has the correct hint" do
+    expect(question.hint_text).to be_nil
+  end
+
+  it "has the correct answer_options" do
+    expect(question.answer_options).to eq({
+      "0" => { "value" => "Yes" },
+      "1" => { "value" => "No" },
+    })
+  end
+
+  it "has the correct hidden_in_check_answers" do
+    expect(question.hidden_in_check_answers).to eq({
+      "depends_on" => [
+        {
+          "old_persons_shared_ownership_value_check" => 0,
+        },
+        {
+          "old_persons_shared_ownership_value_check" => 1,
+        },
+      ],
+    })
+  end
+end
diff --git a/spec/models/form/sales/questions/shared_ownership_deposit_value_check_spec.rb b/spec/models/form/sales/questions/shared_ownership_deposit_value_check_spec.rb
new file mode 100644
index 000000000..c33892f28
--- /dev/null
+++ b/spec/models/form/sales/questions/shared_ownership_deposit_value_check_spec.rb
@@ -0,0 +1,61 @@
+require "rails_helper"
+
+RSpec.describe Form::Sales::Questions::SharedOwnershipDepositValueCheck, type: :model do
+  subject(:question) { described_class.new(question_id, question_definition, page) }
+
+  let(:question_id) { nil }
+  let(:question_definition) { nil }
+  let(:page) { instance_double(Form::Page) }
+
+  it "has correct page" do
+    expect(question.page).to eq(page)
+  end
+
+  it "has the correct id" do
+    expect(question.id).to eq("shared_ownership_deposit_value_check")
+  end
+
+  it "has the correct header" do
+    expect(question.header).to eq("Are you sure this is correct?")
+  end
+
+  it "has the correct check_answer_label" do
+    expect(question.check_answer_label).to eq("Shared ownership deposit confirmation")
+  end
+
+  it "has the correct type" do
+    expect(question.type).to eq("interruption_screen")
+  end
+
+  it "is not marked as derived" do
+    expect(question.derived?).to be false
+  end
+
+  it "has the correct hint" do
+    expect(question.hint_text).to be_nil
+  end
+
+  # it "has a correct check_answers_card_number" do
+  #   expect(question.check_answers_card_number).to eq(0)
+  # end
+
+  it "has the correct answer_options" do
+    expect(question.answer_options).to eq({
+      "0" => { "value" => "Yes" },
+      "1" => { "value" => "No" },
+    })
+  end
+
+  it "has the correct hidden_in_check_answers" do
+    expect(question.hidden_in_check_answers).to eq({
+      "depends_on" => [
+        {
+          "shared_ownership_deposit_value_check" => 0,
+        },
+        {
+          "shared_ownership_deposit_value_check" => 1,
+        },
+      ],
+    })
+  end
+end
diff --git a/spec/models/form/sales/questions/staircase_bought_spec.rb b/spec/models/form/sales/questions/staircase_bought_spec.rb
index 96716dbd3..7b877cc26 100644
--- a/spec/models/form/sales/questions/staircase_bought_spec.rb
+++ b/spec/models/form/sales/questions/staircase_bought_spec.rb
@@ -44,7 +44,7 @@ RSpec.describe Form::Sales::Questions::StaircaseBought, type: :model do
   end
 
   it "has correct suffix" do
-    expect(question.suffix).to eq(" percent")
+    expect(question.suffix).to eq("%")
   end
 
   it "has correct min" do
diff --git a/spec/models/form/sales/questions/staircase_owned_spec.rb b/spec/models/form/sales/questions/staircase_owned_spec.rb
index 56b563990..cbd577784 100644
--- a/spec/models/form/sales/questions/staircase_owned_spec.rb
+++ b/spec/models/form/sales/questions/staircase_owned_spec.rb
@@ -44,7 +44,7 @@ RSpec.describe Form::Sales::Questions::StaircaseOwned, type: :model do
   end
 
   it "has correct suffix" do
-    expect(question.suffix).to eq(" percent")
+    expect(question.suffix).to eq("%")
   end
 
   it "has correct min" do
diff --git a/spec/models/form/sales/subsections/discounted_ownership_scheme_spec.rb b/spec/models/form/sales/subsections/discounted_ownership_scheme_spec.rb
index 7df741091..503712bc7 100644
--- a/spec/models/form/sales/subsections/discounted_ownership_scheme_spec.rb
+++ b/spec/models/form/sales/subsections/discounted_ownership_scheme_spec.rb
@@ -20,9 +20,11 @@ RSpec.describe Form::Sales::Subsections::DiscountedOwnershipScheme, type: :model
         about_price_not_rtb
         grant_value_check
         purchase_price_discounted_ownership
+        discounted_ownership_deposit_and_mortgage_value_check_after_value_and_discount
         mortgage_used_discounted_ownership
         mortgage_amount_discounted_ownership
         extra_borrowing_mortgage_value_check
+        discounted_ownership_deposit_and_mortgage_value_check_after_mortgage
         mortgage_lender_discounted_ownership
         mortgage_lender_other_discounted_ownership
         mortgage_length_discounted_ownership
@@ -31,6 +33,7 @@ RSpec.describe Form::Sales::Subsections::DiscountedOwnershipScheme, type: :model
         about_deposit_discounted_ownership
         extra_borrowing_deposit_value_check
         discounted_ownership_deposit_value_check
+        discounted_ownership_deposit_and_mortgage_value_check_after_deposit
         leasehold_charges_discounted_ownership
       ],
     )
diff --git a/spec/models/form/sales/subsections/household_characteristics_spec.rb b/spec/models/form/sales/subsections/household_characteristics_spec.rb
index 34b1a7536..f99ebe0aa 100644
--- a/spec/models/form/sales/subsections/household_characteristics_spec.rb
+++ b/spec/models/form/sales/subsections/household_characteristics_spec.rb
@@ -19,6 +19,7 @@ RSpec.describe Form::Sales::Subsections::HouseholdCharacteristics, type: :model
         buyer_1_age
         age_1_retirement_value_check
         age_1_retirement_value_check_joint_purchase
+        age_1_old_persons_shared_ownership_value_check
         buyer_1_gender_identity
         gender_1_retirement_value_check
         gender_1_retirement_value_check_joint_purchase
@@ -37,6 +38,7 @@ RSpec.describe Form::Sales::Subsections::HouseholdCharacteristics, type: :model
         buyer_2_relationship_to_buyer_1
         buyer_2_age
         age_2_retirement_value_check_joint_purchase
+        age_2_old_persons_shared_ownership_value_check
         buyer_2_gender_identity
         gender_2_retirement_value_check_joint_purchase
         buyer_2_working_situation
diff --git a/spec/models/form/sales/subsections/household_needs_spec.rb b/spec/models/form/sales/subsections/household_needs_spec.rb
index 5395da095..d65f5513e 100644
--- a/spec/models/form/sales/subsections/household_needs_spec.rb
+++ b/spec/models/form/sales/subsections/household_needs_spec.rb
@@ -30,7 +30,7 @@ RSpec.describe Form::Sales::Subsections::HouseholdNeeds, type: :model do
   end
 
   it "has the correct label" do
-    expect(household_characteristics.label).to eq("Household needs")
+    expect(household_characteristics.label).to eq("Other household information")
   end
 
   it "has correct depends on" do
diff --git a/spec/models/form/sales/subsections/setup_spec.rb b/spec/models/form/sales/subsections/setup_spec.rb
index 36fbf247a..4bb95e391 100644
--- a/spec/models/form/sales/subsections/setup_spec.rb
+++ b/spec/models/form/sales/subsections/setup_spec.rb
@@ -22,6 +22,7 @@ RSpec.describe Form::Sales::Subsections::Setup, type: :model do
         shared_ownership_type
         discounted_ownership_type
         outright_ownership_type
+        ownership_type_old_persons_shared_ownership_value_check
         buyer_company
         buyer_live
         joint_purchase
diff --git a/spec/models/form/sales/subsections/shared_ownership_scheme_spec.rb b/spec/models/form/sales/subsections/shared_ownership_scheme_spec.rb
index 1cafa8072..58a762ccb 100644
--- a/spec/models/form/sales/subsections/shared_ownership_scheme_spec.rb
+++ b/spec/models/form/sales/subsections/shared_ownership_scheme_spec.rb
@@ -17,6 +17,7 @@ RSpec.describe Form::Sales::Subsections::SharedOwnershipScheme, type: :model do
         living_before_purchase_shared_ownership
         staircasing
         about_staircasing
+        staircase_bought_value_check
         resale
         exchange_contracts
         handover_date
@@ -27,14 +28,17 @@ RSpec.describe Form::Sales::Subsections::SharedOwnershipScheme, type: :model do
         previous_property_type
         shared_ownership_previous_tenure
         about_price_shared_ownership
+        shared_ownership_equity_value_check
         mortgage_used_shared_ownership
         mortgage_amount_shared_ownership
+        shared_ownership_mortgage_amount_value_check
         mortgage_lender_shared_ownership
         mortgage_lender_other_shared_ownership
         mortgage_length_shared_ownership
         extra_borrowing_shared_ownership
         about_deposit_with_discount
         about_deposit_shared_ownership
+        deposit_value_check
         shared_ownership_deposit_value_check
         monthly_rent
         leasehold_charges_shared_ownership
diff --git a/spec/models/form_handler_spec.rb b/spec/models/form_handler_spec.rb
index c7bfdc85b..be88b2b94 100644
--- a/spec/models/form_handler_spec.rb
+++ b/spec/models/form_handler_spec.rb
@@ -52,14 +52,14 @@ RSpec.describe FormHandler do
     it "is able to load a current sales form" do
       form = form_handler.get_form("current_sales")
       expect(form).to be_a(Form)
-      expect(form.pages.count).to eq(188)
+      expect(form.pages.count).to eq(198)
       expect(form.name).to eq("2022_2023_sales")
     end
 
     it "is able to load a previous sales form" do
       form = form_handler.get_form("previous_sales")
       expect(form).to be_a(Form)
-      expect(form.pages.count).to eq(188)
+      expect(form.pages.count).to eq(198)
       expect(form.name).to eq("2021_2022_sales")
     end
   end
diff --git a/spec/models/form_spec.rb b/spec/models/form_spec.rb
index 110a521e2..fee42f1bc 100644
--- a/spec/models/form_spec.rb
+++ b/spec/models/form_spec.rb
@@ -218,9 +218,9 @@ RSpec.describe Form, type: :model do
       expect(form.sections[0].class).to eq(Form::Sales::Sections::Setup)
       expect(form.subsections.count).to eq(1)
       expect(form.subsections.first.id).to eq("setup")
-      expect(form.pages.count).to eq(12)
+      expect(form.pages.count).to eq(13)
       expect(form.pages.first.id).to eq("organisation")
-      expect(form.questions.count).to eq(13)
+      expect(form.questions.count).to eq(14)
       expect(form.questions.first.id).to eq("owning_organisation_id")
       expect(form.start_date).to eq(Time.zone.parse("2022-04-01"))
       expect(form.end_date).to eq(Time.zone.parse("2023-07-01"))
diff --git a/spec/models/sales_log_spec.rb b/spec/models/sales_log_spec.rb
index ccfff433f..3a5823a4c 100644
--- a/spec/models/sales_log_spec.rb
+++ b/spec/models/sales_log_spec.rb
@@ -47,7 +47,7 @@ RSpec.describe SalesLog, type: :model do
     let(:sales_log) { build(:sales_log) }
 
     it "returns optional fields" do
-      expect(sales_log.optional_fields).to eq(%w[purchid])
+      expect(sales_log.optional_fields).to eq(%w[purchid old_persons_shared_ownership_value_check])
     end
   end
 
@@ -109,7 +109,7 @@ RSpec.describe SalesLog, type: :model do
     let(:sales_log) { FactoryBot.create(:sales_log, :completed) }
 
     it "correctly derives and saves exday, exmonth and exyear" do
-      sales_log.update!(exdate: Time.gm(2022, 5, 4))
+      sales_log.update!(exdate: Time.gm(2022, 5, 4), saledate: Time.gm(2022, 7, 4), ownershipsch: 1, staircase: 2, resale: 2)
       record_from_db = ActiveRecord::Base.connection.execute("select exday, exmonth, exyear from sales_logs where id=#{sales_log.id}").to_a[0]
       expect(record_from_db["exday"]).to eq(4)
       expect(record_from_db["exmonth"]).to eq(5)
@@ -140,6 +140,14 @@ RSpec.describe SalesLog, type: :model do
       expect(record_from_db["pcode1"]).to eq("W6")
       expect(record_from_db["pcode2"]).to eq("0SP")
     end
+
+    it "derives a mortgage value of 0 when mortgage is not used" do
+      # to avoid log failing validations when mortgage value is removed:
+      new_grant_value = sales_log.grant + sales_log.mortgage
+      sales_log.update!(mortgageused: 2, grant: new_grant_value)
+      record_from_db = ActiveRecord::Base.connection.execute("select mortgage from sales_logs where id=#{sales_log.id}").to_a[0]
+      expect(record_from_db["mortgage"]).to eq(0.0)
+    end
   end
 
   context "when saving addresses" do
@@ -238,39 +246,49 @@ RSpec.describe SalesLog, type: :model do
   end
 
   context "when deriving household variables" do
-    let!(:household_lettings_log) do
-      described_class.create!({
+    let!(:sales_log) do
+      FactoryBot.create(
+        :sales_log,
+        :completed,
         jointpur: 1,
-        hholdcount: 3,
+        hholdcount: 4,
+        details_known_1: 1,
+        details_known_2: 1,
+        details_known_3: 1,
+        details_known_4: 1,
         relat2: "C",
         relat3: "C",
         relat4: "X",
         relat5: "X",
-        age1: 22,
-        age2: 40,
-        age3: 19,
+        relat6: "P",
+        ecstat2: 9,
+        ecstat3: 7,
+        age1: 47,
+        age2: 14,
+        age3: 17,
         age4: 88,
-        age5: 14,
-      })
+        age5: 19,
+        age6: 46,
+      )
     end
 
     it "correctly derives and saves hhmemb" do
-      record_from_db = ActiveRecord::Base.connection.execute("select hhmemb from sales_logs where id=#{household_lettings_log.id}").to_a[0]
-      expect(record_from_db["hhmemb"]).to eq(5)
+      record_from_db = ActiveRecord::Base.connection.execute("select hhmemb from sales_logs where id=#{sales_log.id}").to_a[0]
+      expect(record_from_db["hhmemb"]).to eq(6)
     end
 
     it "correctly derives and saves totchild" do
-      record_from_db = ActiveRecord::Base.connection.execute("select totchild from sales_logs where id=#{household_lettings_log.id}").to_a[0]
+      record_from_db = ActiveRecord::Base.connection.execute("select totchild from sales_logs where id=#{sales_log.id}").to_a[0]
       expect(record_from_db["totchild"]).to eq(2)
     end
 
     it "correctly derives and saves totadult" do
-      record_from_db = ActiveRecord::Base.connection.execute("select totadult from sales_logs where id=#{household_lettings_log.id}").to_a[0]
-      expect(record_from_db["totadult"]).to eq(3)
+      record_from_db = ActiveRecord::Base.connection.execute("select totadult from sales_logs where id=#{sales_log.id}").to_a[0]
+      expect(record_from_db["totadult"]).to eq(4)
     end
 
     it "correctly derives and saves hhtype" do
-      record_from_db = ActiveRecord::Base.connection.execute("select hhtype from sales_logs where id=#{household_lettings_log.id}").to_a[0]
+      record_from_db = ActiveRecord::Base.connection.execute("select hhtype from sales_logs where id=#{sales_log.id}").to_a[0]
       expect(record_from_db["hhtype"]).to eq(9)
     end
   end
@@ -339,4 +357,12 @@ RSpec.describe SalesLog, type: :model do
       expect(record_from_db["prevloc"]).to eq(nil)
     end
   end
+
+  describe "expected_shared_ownership_deposit_value" do
+    let!(:completed_sales_log) { create(:sales_log, :completed, ownershipsch: 1, type: 2, value: 1000, equity: 50) }
+
+    it "is set to completed for a completed sales log" do
+      expect(completed_sales_log.expected_shared_ownership_deposit_value).to eq(500)
+    end
+  end
 end
diff --git a/spec/models/validations/sales/financial_validations_spec.rb b/spec/models/validations/sales/financial_validations_spec.rb
index 7b5b8868b..88f36943f 100644
--- a/spec/models/validations/sales/financial_validations_spec.rb
+++ b/spec/models/validations/sales/financial_validations_spec.rb
@@ -6,7 +6,7 @@ RSpec.describe Validations::Sales::FinancialValidations do
   let(:validator_class) { Class.new { include Validations::Sales::FinancialValidations } }
 
   describe "income validations" do
-    let(:record) { FactoryBot.create(:sales_log, ownershipsch: 1) }
+    let(:record) { FactoryBot.create(:sales_log, ownershipsch: 1, la: "E08000035") }
 
     context "with shared ownership" do
       context "and non london borough" do
@@ -17,6 +17,14 @@ RSpec.describe Validations::Sales::FinancialValidations do
             financial_validator.validate_income1(record)
             expect(record.errors["income1"])
                 .to include(match I18n.t("validations.financial.income1.over_hard_max", hard_max: 80_000))
+            expect(record.errors["ecstat1"])
+                .to include(match I18n.t("validations.financial.income1.over_hard_max", hard_max: 80_000))
+            expect(record.errors["ownershipsch"])
+                .to include(match I18n.t("validations.financial.income1.over_hard_max", hard_max: 80_000))
+            expect(record.errors["la"])
+                .to include(match I18n.t("validations.financial.income1.over_hard_max", hard_max: 80_000))
+            expect(record.errors["postcode_full"])
+                .to include(match I18n.t("validations.financial.income1.over_hard_max", hard_max: 80_000))
           end
         end
 
@@ -25,6 +33,10 @@ RSpec.describe Validations::Sales::FinancialValidations do
           record.ecstat1 = 1
           financial_validator.validate_income1(record)
           expect(record.errors["income1"]).to be_empty
+          expect(record.errors["ecstat1"]).to be_empty
+          expect(record.errors["ownershipsch"]).to be_empty
+          expect(record.errors["la"]).to be_empty
+          expect(record.errors["postcode_full"]).to be_empty
         end
       end
 
@@ -41,6 +53,14 @@ RSpec.describe Validations::Sales::FinancialValidations do
             financial_validator.validate_income1(record)
             expect(record.errors["income1"])
                 .to include(match I18n.t("validations.financial.income1.over_hard_max", hard_max: 90_000))
+            expect(record.errors["ecstat1"])
+                .to include(match I18n.t("validations.financial.income1.over_hard_max", hard_max: 90_000))
+            expect(record.errors["ownershipsch"])
+                .to include(match I18n.t("validations.financial.income1.over_hard_max", hard_max: 90_000))
+            expect(record.errors["la"])
+                .to include(match I18n.t("validations.financial.income1.over_hard_max", hard_max: 90_000))
+            expect(record.errors["postcode_full"])
+                .to include(match I18n.t("validations.financial.income1.over_hard_max", hard_max: 90_000))
           end
         end
 
@@ -49,6 +69,10 @@ RSpec.describe Validations::Sales::FinancialValidations do
           record.ecstat1 = 1
           financial_validator.validate_income1(record)
           expect(record.errors["income1"]).to be_empty
+          expect(record.errors["ecstat1"]).to be_empty
+          expect(record.errors["ownershipsch"]).to be_empty
+          expect(record.errors["la"]).to be_empty
+          expect(record.errors["postcode_full"]).to be_empty
         end
       end
     end
@@ -75,4 +99,63 @@ RSpec.describe Validations::Sales::FinancialValidations do
       expect(record.errors["cashdis"]).to be_empty
     end
   end
+
+  describe "#validate_percentage_bought_not_greater_than_percentage_owned" do
+    let(:record) { FactoryBot.create(:sales_log) }
+
+    it "does not add an error if the percentage bought is less than the percentage owned" do
+      record.stairbought = 20
+      record.stairowned = 40
+      financial_validator.validate_percentage_bought_not_greater_than_percentage_owned(record)
+      expect(record.errors["stairbought"]).to be_empty
+      expect(record.errors["stairowned"]).to be_empty
+    end
+
+    it "does not add an error if the percentage bought is equal to the percentage owned" do
+      record.stairbought = 30
+      record.stairowned = 30
+      financial_validator.validate_percentage_bought_not_greater_than_percentage_owned(record)
+      expect(record.errors["stairbought"]).to be_empty
+      expect(record.errors["stairowned"]).to be_empty
+    end
+
+    it "adds an error to stairowned and not stairbought if the percentage bought is more than the percentage owned" do
+      record.stairbought = 50
+      record.stairowned = 40
+      financial_validator.validate_percentage_bought_not_greater_than_percentage_owned(record)
+      expect(record.errors["stairowned"]).to include(match I18n.t("validations.financial.staircasing.percentage_bought_must_be_greater_than_percentage_owned"))
+    end
+  end
+
+  describe "#validate_percentage_owned_not_too_much_if_older_person" do
+    let(:record) { FactoryBot.create(:sales_log) }
+
+    context "when log type is not older persons shared ownership" do
+      it "does not add an error when percentage owned after staircasing transaction exceeds 75%" do
+        record.type = 2
+        record.stairowned = 80
+        financial_validator.validate_percentage_owned_not_too_much_if_older_person(record)
+        expect(record.errors["stairowned"]).to be_empty
+        expect(record.errors["type"]).to be_empty
+      end
+    end
+
+    context "when log type is older persons shared ownership" do
+      it "does not add an error when percentage owned after staircasing transaction is less than 75%" do
+        record.type = 24
+        record.stairowned = 50
+        financial_validator.validate_percentage_owned_not_too_much_if_older_person(record)
+        expect(record.errors["stairowned"]).to be_empty
+        expect(record.errors["type"]).to be_empty
+      end
+
+      it "adds an error when percentage owned after staircasing transaction exceeds 75%" do
+        record.type = 24
+        record.stairowned = 90
+        financial_validator.validate_percentage_owned_not_too_much_if_older_person(record)
+        expect(record.errors["stairowned"]).to include(match I18n.t("validations.financial.staircasing.older_person_percentage_owned_maximum_75"))
+        expect(record.errors["type"]).to include(match I18n.t("validations.financial.staircasing.older_person_percentage_owned_maximum_75"))
+      end
+    end
+  end
 end
diff --git a/spec/models/validations/sales/household_validations_spec.rb b/spec/models/validations/sales/household_validations_spec.rb
index 46ea1dc31..10367390e 100644
--- a/spec/models/validations/sales/household_validations_spec.rb
+++ b/spec/models/validations/sales/household_validations_spec.rb
@@ -122,121 +122,6 @@ RSpec.describe Validations::Sales::HouseholdValidations do
       expect(record.errors["ecstat2"])
         .to include(match I18n.t("validations.household.ecstat.student_16_19.cannot_be_student.child_not_16_19"))
     end
-
-    context "when it is a joint purchase and both buyers are over 64" do
-      let(:record) { FactoryBot.build(:sales_log, jointpur: 1, age1: 65, age2: 66, type: 24) }
-
-      it "does not add an error" do
-        household_validator.validate_buyers_age_for_old_persons_shared_ownership(record)
-
-        expect(record.errors).not_to be_present
-      end
-    end
-
-    context "when it is a joint purchase and first buyer is over 64" do
-      let(:record) { FactoryBot.build(:sales_log, jointpur: 1, age1: 65, age2: 40, type: 24) }
-
-      it "does not add an error" do
-        household_validator.validate_buyers_age_for_old_persons_shared_ownership(record)
-
-        expect(record.errors).not_to be_present
-      end
-    end
-
-    context "when it is a joint purchase and second buyer is over 64" do
-      let(:record) { FactoryBot.build(:sales_log, jointpur: 1, age1: 43, age2: 64, type: 24) }
-
-      it "does not add an error" do
-        household_validator.validate_buyers_age_for_old_persons_shared_ownership(record)
-
-        expect(record.errors).not_to be_present
-      end
-    end
-
-    context "when it is a joint purchase and neither of the buyers are over 64" do
-      let(:record) { FactoryBot.build(:sales_log, jointpur: 1, age1: 43, age2: 33, type: 24) }
-
-      it "adds an error" do
-        household_validator.validate_buyers_age_for_old_persons_shared_ownership(record)
-
-        expect(record.errors["age1"])
-        .to include(match I18n.t("validations.household.old_persons_shared_ownership"))
-        expect(record.errors["age2"])
-        .to include(match I18n.t("validations.household.old_persons_shared_ownership"))
-        expect(record.errors["type"])
-        .to include(match I18n.t("validations.household.old_persons_shared_ownership"))
-      end
-    end
-
-    context "when it is a joint purchase and first buyer is under 64 and the second buyers' age is unknown" do
-      let(:record) { FactoryBot.build(:sales_log, jointpur: 1, age1: 43, age2_known: 1, type: 24) }
-
-      it "adds an error" do
-        household_validator.validate_buyers_age_for_old_persons_shared_ownership(record)
-
-        expect(record.errors["age1"])
-        .to include(match I18n.t("validations.household.old_persons_shared_ownership"))
-        expect(record.errors["age2"])
-        .to include(match I18n.t("validations.household.old_persons_shared_ownership"))
-        expect(record.errors["type"])
-        .to include(match I18n.t("validations.household.old_persons_shared_ownership"))
-      end
-    end
-
-    context "when it is a joint purchase and neither of the buyers ages are known" do
-      let(:record) { FactoryBot.build(:sales_log, jointpur: 1, age1_known: 1, age2_known: 1, type: 24) }
-
-      it "adds an error" do
-        household_validator.validate_buyers_age_for_old_persons_shared_ownership(record)
-
-        expect(record.errors["age1"])
-        .to include(match I18n.t("validations.household.old_persons_shared_ownership"))
-        expect(record.errors["age2"])
-        .to include(match I18n.t("validations.household.old_persons_shared_ownership"))
-        expect(record.errors["type"])
-        .to include(match I18n.t("validations.household.old_persons_shared_ownership"))
-      end
-    end
-
-    context "when it is not a joint purchase and the buyer is over 64" do
-      let(:record) { FactoryBot.build(:sales_log, jointpur: 2, age1: 70, type: 24) }
-
-      it "does not add an error" do
-        household_validator.validate_buyers_age_for_old_persons_shared_ownership(record)
-
-        expect(record.errors).not_to be_present
-      end
-    end
-
-    context "when it is not a joint purchase and the buyer is under 64" do
-      let(:record) { FactoryBot.build(:sales_log, jointpur: 2, age1: 20, type: 24) }
-
-      it "adds an error" do
-        household_validator.validate_buyers_age_for_old_persons_shared_ownership(record)
-
-        expect(record.errors["age1"])
-        .to include(match I18n.t("validations.household.old_persons_shared_ownership"))
-        expect(record.errors["age2"])
-        .to be_empty
-        expect(record.errors["type"])
-        .to include(match I18n.t("validations.household.old_persons_shared_ownership"))
-      end
-    end
-
-    context "when it is not a joint purchase and the buyers age is not known" do
-      let(:record) { FactoryBot.build(:sales_log, jointpur: 2, age1_known: 1, type: 24) }
-
-      it "adds an error" do
-        household_validator.validate_buyers_age_for_old_persons_shared_ownership(record)
-
-        expect(record.errors["age1"])
-        .to include(match I18n.t("validations.household.old_persons_shared_ownership"))
-        expect(record.errors["age2"])
-        .to be_empty
-        expect(record.errors["type"])
-        .to include(match I18n.t("validations.household.old_persons_shared_ownership"))
-      end
-    end
   end
 
   describe "previous postcode validations" do
diff --git a/spec/models/validations/sales/sale_information_validations_spec.rb b/spec/models/validations/sales/sale_information_validations_spec.rb
index d2921e8f0..7ca507c1d 100644
--- a/spec/models/validations/sales/sale_information_validations_spec.rb
+++ b/spec/models/validations/sales/sale_information_validations_spec.rb
@@ -111,12 +111,15 @@ RSpec.describe Validations::Sales::SaleInformationValidations do
     context "when exdate more than 1 year before saledate" do
       let(:record) { build(:sales_log, exdate: 2.years.ago, saledate: 1.month.ago) }
 
-      it "does not add the error" do
+      it "adds error" do
         sale_information_validator.validate_exchange_date(record)
 
         expect(record.errors[:exdate]).to eq(
           ["Contract exchange date must be less than 1 year before completion date"],
         )
+        expect(record.errors[:saledate]).to eq(
+          ["Completion date must be less than 1 year after contract exchange date"],
+        )
       end
     end
 
@@ -129,6 +132,9 @@ RSpec.describe Validations::Sales::SaleInformationValidations do
         expect(record.errors[:exdate]).to eq(
           ["Contract exchange date must be less than 1 year before completion date"],
         )
+        expect(record.errors[:saledate]).to eq(
+          ["Completion date must be less than 1 year after contract exchange date"],
+        )
       end
     end
 
@@ -371,4 +377,61 @@ RSpec.describe Validations::Sales::SaleInformationValidations do
       end
     end
   end
+
+  describe "#validate_basic_monthly_rent" do
+    context "when within permitted bounds" do
+      let(:record) { build(:sales_log, mrent: 9998, ownershipsch: 1, type: 2) }
+
+      it "does not add an error" do
+        sale_information_validator.validate_basic_monthly_rent(record)
+
+        expect(record.errors[:mrent]).not_to be_present
+        expect(record.errors[:type]).not_to be_present
+      end
+    end
+
+    context "when the rent is blank" do
+      let(:record) { build(:sales_log, mrent: nil, ownershipsch: 1, type: 2) }
+
+      it "does not add an error" do
+        sale_information_validator.validate_basic_monthly_rent(record)
+
+        expect(record.errors[:mrent]).not_to be_present
+        expect(record.errors[:type]).not_to be_present
+      end
+    end
+
+    context "when the type is old persons shared ownership" do
+      let(:record) { build(:sales_log, mrent: 100_000, ownershipsch: 1, type: 24) }
+
+      it "does not add an error" do
+        sale_information_validator.validate_basic_monthly_rent(record)
+
+        expect(record.errors[:mrent]).not_to be_present
+        expect(record.errors[:type]).not_to be_present
+      end
+    end
+
+    context "when the type is blank" do
+      let(:record) { build(:sales_log, mrent: 100_000, ownershipsch: 1, type: nil) }
+
+      it "does not add an error" do
+        sale_information_validator.validate_basic_monthly_rent(record)
+
+        expect(record.errors[:mrent]).not_to be_present
+        expect(record.errors[:type]).not_to be_present
+      end
+    end
+
+    context "when higher than upper bound" do
+      let(:record) { build(:sales_log, mrent: 100_000, ownershipsch: 1, type: 2) }
+
+      it "adds an error" do
+        sale_information_validator.validate_basic_monthly_rent(record)
+
+        expect(record.errors[:mrent]).to include(I18n.t("validations.sale_information.monthly_rent.higher_than_expected"))
+        expect(record.errors[:type]).to include(I18n.t("validations.sale_information.monthly_rent.higher_than_expected"))
+      end
+    end
+  end
 end
diff --git a/spec/models/validations/sales/setup_validations_spec.rb b/spec/models/validations/sales/setup_validations_spec.rb
new file mode 100644
index 000000000..74b7834ab
--- /dev/null
+++ b/spec/models/validations/sales/setup_validations_spec.rb
@@ -0,0 +1,49 @@
+require "rails_helper"
+
+RSpec.describe Validations::Sales::SetupValidations do
+  subject(:setup_validator) { validator_class.new }
+
+  let(:validator_class) { Class.new { include Validations::Sales::SetupValidations } }
+
+  describe "#validate_saledate" do
+    context "when saledate is blank" do
+      let(:record) { FactoryBot.build(:sales_log, saledate: nil) }
+
+      it "does not add an error" do
+        setup_validator.validate_saledate(record)
+
+        expect(record.errors).to be_empty
+      end
+    end
+
+    context "when saledate is in the 22/23 financial year" do
+      let(:record) { FactoryBot.build(:sales_log, saledate: Time.zone.local(2023, 1, 1)) }
+
+      it "does not add an error" do
+        setup_validator.validate_saledate(record)
+
+        expect(record.errors).to be_empty
+      end
+    end
+
+    context "when saledate is before the 22/23 financial year" do
+      let(:record) { FactoryBot.build(:sales_log, saledate: Time.zone.local(2022, 1, 1)) }
+
+      it "adds error" do
+        setup_validator.validate_saledate(record)
+
+        expect(record.errors[:saledate]).to include(I18n.t("validations.setup.saledate.financial_year"))
+      end
+    end
+
+    context "when saledate is after the 22/23 financial year" do
+      let(:record) { FactoryBot.build(:sales_log, saledate: Time.zone.local(2023, 4, 1)) }
+
+      it "adds error" do
+        setup_validator.validate_saledate(record)
+
+        expect(record.errors[:saledate]).to include(I18n.t("validations.setup.saledate.financial_year"))
+      end
+    end
+  end
+end
diff --git a/spec/models/validations/sales/soft_validations_spec.rb b/spec/models/validations/sales/soft_validations_spec.rb
index da0ab8ed9..dc873bc97 100644
--- a/spec/models/validations/sales/soft_validations_spec.rb
+++ b/spec/models/validations/sales/soft_validations_spec.rb
@@ -201,6 +201,59 @@ RSpec.describe Validations::Sales::SoftValidations do
       end
     end
 
+    context "when validating mortgage and deposit against discounted value" do
+      [
+        {
+          nil_field: "mortgage",
+          value: 500_000,
+          deposit: 10_000,
+          discount: 10,
+        },
+        {
+          nil_field: "value",
+          mortgage: 100_000,
+          deposit: 10_000,
+          discount: 10,
+        },
+        {
+          nil_field: "deposit",
+          value: 500_000,
+          mortgage: 100_000,
+          discount: 10,
+        },
+        {
+          nil_field: "discount",
+          value: 500_000,
+          mortgage: 100_000,
+          deposit: 10_000,
+        },
+      ].each do |test_case|
+        it "returns false if #{test_case[:nil_field]} is not present" do
+          record.value = test_case[:value]
+          record.mortgage = test_case[:mortgage]
+          record.deposit = test_case[:deposit]
+          record.discount = test_case[:discount]
+          expect(record).not_to be_mortgage_plus_deposit_less_than_discounted_value
+        end
+      end
+
+      it "returns false if the deposit and mortgage add up to the discounted value or more" do
+        record.value = 500_000
+        record.discount = 20
+        record.mortgage = 200_000
+        record.deposit = 200_000
+        expect(record).not_to be_mortgage_plus_deposit_less_than_discounted_value
+      end
+
+      it "returns true if the deposit and mortgage add up to less than the discounted value" do
+        record.value = 500_000
+        record.discount = 10
+        record.mortgage = 200_000
+        record.deposit = 200_000
+        expect(record).to be_mortgage_plus_deposit_less_than_discounted_value
+      end
+    end
+
     context "when validating extra borrowing" do
       it "returns false if extrabor not present" do
         record.mortgage = 50_000
@@ -314,13 +367,117 @@ RSpec.describe Validations::Sales::SoftValidations do
           .to be_deposit_over_soft_max
       end
 
-      it "returns fals if deposit is less than 4/3 of savings" do
+      it "returns false if deposit is less than 4/3 of savings" do
         record.deposit = 7_999
         record.savings = 6_000
         expect(record)
           .not_to be_deposit_over_soft_max
       end
     end
+
+    context "when validating shared ownership deposit" do
+      it "returns false if MORTGAGE + DEPOSIT + CASHDIS are equal VALUE * EQUITY/100" do
+        record.mortgage = 1000
+        record.deposit = 1000
+        record.cashdis = 1000
+        record.value = 3000
+        record.equity = 100
+
+        expect(record)
+          .not_to be_shared_ownership_deposit_invalid
+      end
+
+      it "returns false if mortgage is used and no mortgage is given" do
+        record.mortgage = nil
+        record.deposit = 1000
+        record.cashdis = 1000
+        record.value = 3000
+        record.equity = 100
+
+        expect(record)
+          .not_to be_shared_ownership_deposit_invalid
+      end
+
+      it "returns true if mortgage is not used and no mortgage is given" do
+        record.mortgage = nil
+        record.mortgageused = 2
+        record.deposit = 1000
+        record.cashdis = 1000
+        record.value = 3000
+        record.equity = 100
+
+        expect(record)
+          .to be_shared_ownership_deposit_invalid
+      end
+
+      it "returns false if no deposit is given" do
+        record.mortgage = 1000
+        record.deposit = nil
+        record.cashdis = 1000
+        record.value = 3000
+        record.equity = 100
+
+        expect(record)
+          .not_to be_shared_ownership_deposit_invalid
+      end
+
+      it "returns false if no cashdis is given and cashdis is routed to" do
+        record.mortgage = 1000
+        record.deposit = 1000
+        record.type = 18
+        record.cashdis = nil
+        record.value = 3000
+        record.equity = 100
+
+        expect(record)
+          .not_to be_shared_ownership_deposit_invalid
+      end
+
+      it "returns true if no cashdis is given and cashdis is not routed to" do
+        record.mortgage = 1000
+        record.deposit = 1000
+        record.type = 2
+        record.cashdis = nil
+        record.value = 3000
+        record.equity = 100
+
+        expect(record)
+          .to be_shared_ownership_deposit_invalid
+      end
+
+      it "returns false if no value is given" do
+        record.mortgage = 1000
+        record.deposit = 1000
+        record.cashdis = 1000
+        record.value = nil
+        record.equity = 100
+
+        expect(record)
+          .not_to be_shared_ownership_deposit_invalid
+      end
+
+      it "returns false if no equity is given" do
+        record.mortgage = 1000
+        record.deposit = 1000
+        record.cashdis = 1000
+        record.value = 3000
+        record.equity = nil
+
+        expect(record)
+          .not_to be_shared_ownership_deposit_invalid
+      end
+
+      it "returns true if MORTGAGE + DEPOSIT + CASHDIS are not equal VALUE * EQUITY/100" do
+        record.mortgage = 1000
+        record.deposit = 1000
+        record.cashdis = 1000
+        record.value = 4323
+        record.equity = 100
+
+        expect(record)
+          .to be_shared_ownership_deposit_invalid
+      end
+    end
   end
 
   describe "hodate_more_than_3_years_before_saledate" do
@@ -416,4 +573,24 @@ RSpec.describe Validations::Sales::SoftValidations do
       expect(record).not_to be_grant_outside_common_range
     end
   end
+
+  describe "#staircase_bought_above_fifty" do
+    it "returns false when stairbought is not set" do
+      record.stairbought = nil
+
+      expect(record).not_to be_staircase_bought_above_fifty
+    end
+
+    it "returns false when stairbought is below fifty" do
+      record.stairbought = 40
+
+      expect(record).not_to be_staircase_bought_above_fifty
+    end
+
+    it "returns true when stairbought is above fifty" do
+      record.stairbought = 70
+
+      expect(record).to be_staircase_bought_above_fifty
+    end
+  end
 end
diff --git a/spec/models/validations/shared_validations_spec.rb b/spec/models/validations/shared_validations_spec.rb
index c6eceb954..ced0505ad 100644
--- a/spec/models/validations/shared_validations_spec.rb
+++ b/spec/models/validations/shared_validations_spec.rb
@@ -76,11 +76,11 @@ RSpec.describe Validations::SharedValidations do
     end
 
     context "when validating percent" do
-      it "validates that % suffix is added in the error message" do
-        sales_record.stairbought = "random"
+      it "validates that suffixes are added in the error message" do
+        sales_record.stairbought = 150
         shared_validator.validate_numeric_min_max(sales_record)
         expect(sales_record.errors["stairbought"])
-          .to include(match I18n.t("validations.numeric.within_range", field: "Percentage bought in this staircasing transaction", min: "0 percent", max: "100 percent"))
+          .to include(match I18n.t("validations.numeric.within_range", field: "Percentage bought in this staircasing transaction", min: "0%", max: "100%"))
       end
     end
 
diff --git a/spec/models/validations/soft_validations_spec.rb b/spec/models/validations/soft_validations_spec.rb
index 93ed01a20..9ca9436fb 100644
--- a/spec/models/validations/soft_validations_spec.rb
+++ b/spec/models/validations/soft_validations_spec.rb
@@ -237,4 +237,78 @@ RSpec.describe Validations::SoftValidations do
       end
     end
   end
+
+  describe "old persons shared ownership soft validations" do
+    context "when it is a joint purchase and both buyers are over 64" do
+      let(:record) { FactoryBot.build(:sales_log, jointpur: 1, age1: 65, age2: 66, type: 24) }
+
+      it "returns false" do
+        expect(record.buyers_age_for_old_persons_shared_ownership_invalid?).to be false
+      end
+    end
+
+    context "when it is a joint purchase and first buyer is over 64" do
+      let(:record) { FactoryBot.build(:sales_log, jointpur: 1, age1: 65, age2: 40, type: 24) }
+
+      it "returns false" do
+        expect(record.buyers_age_for_old_persons_shared_ownership_invalid?).to be false
+      end
+    end
+
+    context "when it is a joint purchase and second buyer is over 64" do
+      let(:record) { FactoryBot.build(:sales_log, jointpur: 1, age1: 43, age2: 64, type: 24) }
+
+      it "returns false" do
+        expect(record.buyers_age_for_old_persons_shared_ownership_invalid?).to be false
+      end
+    end
+
+    context "when it is a joint purchase and neither of the buyers are over 64" do
+      let(:record) { FactoryBot.build(:sales_log, jointpur: 1, age1: 43, age2: 33, type: 24) }
+
+      it "returns true" do
+        expect(record.buyers_age_for_old_persons_shared_ownership_invalid?).to be true
+      end
+    end
+
+    context "when it is a joint purchase and first buyer is under 64 and the second buyers' age is unknown" do
+      let(:record) { FactoryBot.build(:sales_log, jointpur: 1, age1: 43, age2_known: 1, type: 24) }
+
+      it "returns true" do
+        expect(record.buyers_age_for_old_persons_shared_ownership_invalid?).to be true
+      end
+    end
+
+    context "when it is a joint purchase and neither of the buyers ages are known" do
+      let(:record) { FactoryBot.build(:sales_log, jointpur: 1, age1_known: 1, age2_known: 1, type: 24) }
+
+      it "returns true" do
+        expect(record.buyers_age_for_old_persons_shared_ownership_invalid?).to be true
+      end
+    end
+
+    context "when it is not a joint purchase and the buyer is over 64" do
+      let(:record) { FactoryBot.build(:sales_log, jointpur: 2, age1: 70, type: 24) }
+
+      it "returns false" do
+        expect(record.buyers_age_for_old_persons_shared_ownership_invalid?).to be false
+      end
+    end
+
+    context "when it is not a joint purchase and the buyer is under 64" do
+      let(:record) { FactoryBot.build(:sales_log, jointpur: 2, age1: 20, type: 24) }
+
+      it "returns true" do
+        expect(record.buyers_age_for_old_persons_shared_ownership_invalid?).to be true
+      end
+    end
+
+    context "when it is not a joint purchase and the buyers age is not known" do
+      let(:record) { FactoryBot.build(:sales_log, jointpur: 2, age1_known: 1, type: 24) }
+
+      it "returns true" do
+        expect(record.buyers_age_for_old_persons_shared_ownership_invalid?).to be true
+      end
+    end
+  end
 end
diff --git a/spec/requests/bulk_upload_lettings_results_controller_spec.rb b/spec/requests/bulk_upload_lettings_results_controller_spec.rb
index 15ba0b7bb..c15fef5b9 100644
--- a/spec/requests/bulk_upload_lettings_results_controller_spec.rb
+++ b/spec/requests/bulk_upload_lettings_results_controller_spec.rb
@@ -9,12 +9,27 @@ RSpec.describe BulkUploadLettingsResultsController, type: :request do
     sign_in user
   end
 
+  describe "GET /lettings-logs/bulk-upload-results/:ID/summary" do
+    it "renders year combo" do
+      get "/lettings-logs/bulk-upload-results/#{bulk_upload.id}/summary"
+
+      expect(response).to be_successful
+      expect(response.body).to include("Bulk upload for lettings (2022/23)")
+    end
+
+    it "renders the bulk upload filename" do
+      get "/lettings-logs/bulk-upload-results/#{bulk_upload.id}/summary"
+
+      expect(response.body).to include(bulk_upload.filename)
+    end
+  end
+
   describe "GET /lettings-logs/bulk-upload-results/:ID" do
     it "renders correct year" do
       get "/lettings-logs/bulk-upload-results/#{bulk_upload.id}"
 
       expect(response).to be_successful
-      expect(response.body).to include("Bulk Upload for lettings (2022/23)")
+      expect(response.body).to include("Bulk upload for lettings (2022/23)")
     end
 
     it "renders correct number of errors" do
diff --git a/spec/requests/sales_logs_controller_spec.rb b/spec/requests/sales_logs_controller_spec.rb
index f8690a71b..925e3f1f3 100644
--- a/spec/requests/sales_logs_controller_spec.rb
+++ b/spec/requests/sales_logs_controller_spec.rb
@@ -179,29 +179,29 @@ RSpec.describe SalesLogsController, type: :request do
           end
 
           context "with year filter" do
-            let!(:sales_log_2021) do
+            let!(:sales_log_2022) do
               FactoryBot.create(:sales_log, :in_progress,
                                 owning_organisation: organisation,
-                                saledate: Time.zone.local(2022, 3, 1))
+                                saledate: Time.zone.local(2022, 4, 1))
             end
-            let!(:sales_log_2022) do
+            let!(:sales_log_2023) do
               sales_log = FactoryBot.build(:sales_log, :completed,
                                            owning_organisation: organisation,
-                                           saledate: Time.zone.local(2022, 12, 1))
+                                           saledate: Time.zone.local(2023, 1, 1))
               sales_log.save!(validate: false)
               sales_log
             end
 
             it "shows sales logs for multiple selected years" do
               get "/sales-logs?years[]=2021&years[]=2022", headers: headers, params: {}
-              expect(page).to have_link(sales_log_2021.id.to_s)
               expect(page).to have_link(sales_log_2022.id.to_s)
+              expect(page).to have_link(sales_log_2023.id.to_s)
             end
 
             it "shows sales logs for one selected year" do
-              get "/sales-logs?years[]=2021", headers: headers, params: {}
-              expect(page).to have_link(sales_log_2021.id.to_s)
-              expect(page).not_to have_link(sales_log_2022.id.to_s)
+              get "/sales-logs?years[]=2022", headers: headers, params: {}
+              expect(page).to have_link(sales_log_2022.id.to_s)
+              expect(page).to have_link(sales_log_2023.id.to_s)
             end
           end
 
@@ -214,23 +214,23 @@ RSpec.describe SalesLogsController, type: :request do
               Timecop.unfreeze
             end
 
-            let!(:sales_log_2021) do
+            let!(:sales_log_2022) do
               FactoryBot.create(:sales_log, :completed,
                                 owning_organisation: organisation,
-                                saledate: Time.zone.local(2022, 3, 1),
+                                saledate: Time.zone.local(2022, 4, 1),
                                 created_by: user)
             end
-            let!(:sales_log_2022) do
+            let!(:sales_log_2023) do
               FactoryBot.create(:sales_log,
                                 owning_organisation: organisation,
-                                saledate: Time.zone.local(2022, 12, 1),
+                                saledate: Time.zone.local(2023, 1, 1),
                                 created_by: user)
             end
 
             it "shows sales logs for multiple selected statuses and years" do
               get "/sales-logs?years[]=2021&years[]=2022&status[]=in_progress&status[]=completed", headers: headers, params: {}
-              expect(page).to have_link(sales_log_2021.id.to_s)
               expect(page).to have_link(sales_log_2022.id.to_s)
+              expect(page).to have_link(sales_log_2023.id.to_s)
             end
           end
         end
diff --git a/spec/services/bulk_upload/lettings/validator_spec.rb b/spec/services/bulk_upload/lettings/validator_spec.rb
index e242858bf..661119448 100644
--- a/spec/services/bulk_upload/lettings/validator_spec.rb
+++ b/spec/services/bulk_upload/lettings/validator_spec.rb
@@ -43,7 +43,14 @@ RSpec.describe BulkUpload::Lettings::Validator do
         validator.call
 
         error = BulkUploadError.first
-        expect(error.row).to eq("7")
+
+        expect(error.field).to eql("field_96")
+        expect(error.error).to eql("blank")
+        expect(error.tenant_code).to eql("123")
+        expect(error.property_ref).to be_nil
+        expect(error.row).to eql("7")
+        expect(error.cell).to eql("CS7")
+        expect(error.col).to eql("CS")
       end
     end