diff --git a/app/models/validations/sales/sale_information_validations.rb b/app/models/validations/sales/sale_information_validations.rb
index c8083156c..92a1cd172 100644
--- a/app/models/validations/sales/sale_information_validations.rb
+++ b/app/models/validations/sales/sale_information_validations.rb
@@ -155,9 +155,23 @@ module Validations::Sales::SaleInformationValidations
 
       if over_tolerance?(record.mortgage_deposit_and_discount_total, record.expected_shared_ownership_deposit_value, 1)
         %i[mortgage value deposit cashdis equity].each do |field|
-          record.errors.add field, I18n.t("validations.sale_information.non_staircasing_mortgage.mortgage_used_socialhomebuy", mortgage_deposit_and_discount_total: record.field_formatted_as_currency("mortgage_deposit_and_discount_total"), expected_shared_ownership_deposit_value: record.field_formatted_as_currency("expected_shared_ownership_deposit_value"))
+          record.errors.add field, I18n.t("validations.sale_information.non_staircasing_mortgage.mortgage_used_socialhomebuy",
+                                          mortgage: record.field_formatted_as_currency("mortgage"),
+                                          value: record.field_formatted_as_currency("value"),
+                                          deposit: record.field_formatted_as_currency("deposit"),
+                                          cashdis: record.field_formatted_as_currency("cashdis"),
+                                          equity: "#{record.equity}%",
+                                          mortgage_deposit_and_discount_total: record.field_formatted_as_currency("mortgage_deposit_and_discount_total"),
+                                          expected_shared_ownership_deposit_value: record.field_formatted_as_currency("expected_shared_ownership_deposit_value")).html_safe
         end
-        record.errors.add :type, :skip_bu_error, message: I18n.t("validations.sale_information.non_staircasing_mortgage.mortgage_used_socialhomebuy", mortgage_deposit_and_discount_total: record.field_formatted_as_currency("mortgage_deposit_and_discount_total"), expected_shared_ownership_deposit_value: record.field_formatted_as_currency("expected_shared_ownership_deposit_value"))
+        record.errors.add :type, :skip_bu_error, message: I18n.t("validations.sale_information.non_staircasing_mortgage.mortgage_used_socialhomebuy",
+                                                                 mortgage: record.field_formatted_as_currency("mortgage"),
+                                                                 value: record.field_formatted_as_currency("value"),
+                                                                 deposit: record.field_formatted_as_currency("deposit"),
+                                                                 cashdis: record.field_formatted_as_currency("cashdis"),
+                                                                 equity: "#{record.equity}%",
+                                                                 mortgage_deposit_and_discount_total: record.field_formatted_as_currency("mortgage_deposit_and_discount_total"),
+                                                                 expected_shared_ownership_deposit_value: record.field_formatted_as_currency("expected_shared_ownership_deposit_value"))
       end
     elsif record.mortgage_not_used?
       if over_tolerance?(record.deposit_and_discount_total, record.expected_shared_ownership_deposit_value, 1)
diff --git a/config/locales/en.yml b/config/locales/en.yml
index a70e7082b..5259f0348 100644
--- a/config/locales/en.yml
+++ b/config/locales/en.yml
@@ -656,7 +656,7 @@ en:
       non_staircasing_mortgage:
         mortgage_used: "The mortgage and deposit added together is %{mortgage_and_deposit_total}. The value multiplied by the percentage bought is %{expected_shared_ownership_deposit_value}. These figures should be the same."
         mortgage_not_used: "The deposit is %{deposit} and the value multiplied by the percentage bought is %{expected_shared_ownership_deposit_value}. These figures should be the same."
-        mortgage_used_socialhomebuy: "The mortgage, deposit, and cash discount added together is %{mortgage_deposit_and_discount_total}. The value multiplied by the percentage bought is %{expected_shared_ownership_deposit_value}. These figures should be the same."
+        mortgage_used_socialhomebuy: "The mortgage amount (%{mortgage}), deposit (%{deposit}), and cash discount (%{cashdis}) added together is %{mortgage_deposit_and_discount_total}.</br></br> The full purchase price (%{value}) multiplied by the percentage equity stake purchased (%{equity}) is %{expected_shared_ownership_deposit_value}.</br></br> These two amounts should be the same."
         mortgage_not_used_socialhomebuy: "The deposit and cash discount added together is %{deposit_and_discount_total}. The value multiplied by the percentage bought is %{expected_shared_ownership_deposit_value}. These figures should be the same."
       staircasing_mortgage:
         mortgage_used: "The mortgage and deposit added together is %{mortgage_and_deposit_total}. The value multiplied by the percentage bought is %{stairbought_part_of_value}. These figures should be the same."
diff --git a/spec/models/validations/sales/sale_information_validations_spec.rb b/spec/models/validations/sales/sale_information_validations_spec.rb
index 44245f73f..d1becd432 100644
--- a/spec/models/validations/sales/sale_information_validations_spec.rb
+++ b/spec/models/validations/sales/sale_information_validations_spec.rb
@@ -882,12 +882,12 @@ RSpec.describe Validations::Sales::SaleInformationValidations do
 
             it "adds an error" do
               sale_information_validator.validate_non_staircasing_mortgage(record)
-              expect(record.errors["mortgage"]).to include("The mortgage, deposit, and cash discount added together is £15,200.00. The value multiplied by the percentage bought is £8,400.00. These figures should be the same.")
-              expect(record.errors["value"]).to include("The mortgage, deposit, and cash discount added together is £15,200.00. The value multiplied by the percentage bought is £8,400.00. These figures should be the same.")
-              expect(record.errors["deposit"]).to include("The mortgage, deposit, and cash discount added together is £15,200.00. The value multiplied by the percentage bought is £8,400.00. These figures should be the same.")
-              expect(record.errors["equity"]).to include("The mortgage, deposit, and cash discount added together is £15,200.00. The value multiplied by the percentage bought is £8,400.00. These figures should be the same.")
-              expect(record.errors["cashdis"]).to include("The mortgage, deposit, and cash discount added together is £15,200.00. The value multiplied by the percentage bought is £8,400.00. These figures should be the same.")
-              expect(record.errors["type"]).to include("The mortgage, deposit, and cash discount added together is £15,200.00. The value multiplied by the percentage bought is £8,400.00. These figures should be the same.")
+              expect(record.errors["mortgage"]).to include("The mortgage amount (£10,000.00), deposit (£5,000.00), and cash discount (£200.00) added together is £15,200.00.</br></br> The full purchase price (£30,000.00) multiplied by the percentage equity stake purchased (28.0%) is £8,400.00.</br></br> These two amounts should be the same.")
+              expect(record.errors["value"]).to include("The mortgage amount (£10,000.00), deposit (£5,000.00), and cash discount (£200.00) added together is £15,200.00.</br></br> The full purchase price (£30,000.00) multiplied by the percentage equity stake purchased (28.0%) is £8,400.00.</br></br> These two amounts should be the same.")
+              expect(record.errors["deposit"]).to include("The mortgage amount (£10,000.00), deposit (£5,000.00), and cash discount (£200.00) added together is £15,200.00.</br></br> The full purchase price (£30,000.00) multiplied by the percentage equity stake purchased (28.0%) is £8,400.00.</br></br> These two amounts should be the same.")
+              expect(record.errors["equity"]).to include("The mortgage amount (£10,000.00), deposit (£5,000.00), and cash discount (£200.00) added together is £15,200.00.</br></br> The full purchase price (£30,000.00) multiplied by the percentage equity stake purchased (28.0%) is £8,400.00.</br></br> These two amounts should be the same.")
+              expect(record.errors["cashdis"]).to include("The mortgage amount (£10,000.00), deposit (£5,000.00), and cash discount (£200.00) added together is £15,200.00.</br></br> The full purchase price (£30,000.00) multiplied by the percentage equity stake purchased (28.0%) is £8,400.00.</br></br> These two amounts should be the same.")
+              expect(record.errors["type"]).to include("The mortgage amount (£10,000.00), deposit (£5,000.00), and cash discount (£200.00) added together is £15,200.00.</br></br> The full purchase price (£30,000.00) multiplied by the percentage equity stake purchased (28.0%) is £8,400.00.</br></br> These two amounts should be the same.")
             end
           end