diff --git a/app/models/form/sales/questions/management_fee.rb b/app/models/form/sales/questions/management_fee.rb
index af7ff574f..6ca114981 100644
--- a/app/models/form/sales/questions/management_fee.rb
+++ b/app/models/form/sales/questions/management_fee.rb
@@ -5,6 +5,7 @@ class Form::Sales::Questions::ManagementFee < ::Form::Question
     @copy_key = "sales.sale_information.management_fee.management_fee"
     @type = "numeric"
     @min = 1
+    @max = form.start_year_2025_or_later? ? 9_999 : nil
     @step = 0.01
     @width = 5
     @prefix = "£"
diff --git a/app/models/form/sales/questions/monthly_rent_before_staircasing.rb b/app/models/form/sales/questions/monthly_rent_before_staircasing.rb
index 042e2be32..bf101e993 100644
--- a/app/models/form/sales/questions/monthly_rent_before_staircasing.rb
+++ b/app/models/form/sales/questions/monthly_rent_before_staircasing.rb
@@ -5,6 +5,7 @@ class Form::Sales::Questions::MonthlyRentBeforeStaircasing < ::Form::Question
     @copy_key = "sales.sale_information.mrent_staircasing.prestaircasing"
     @type = "numeric"
     @min = 0
+    @max = form.start_year_2025_or_later? ? 9_999 : nil
     @step = 0.01
     @width = 5
     @prefix = "£"
diff --git a/app/models/form/sales/questions/mortgage_amount.rb b/app/models/form/sales/questions/mortgage_amount.rb
index 81549c011..2a11b882d 100644
--- a/app/models/form/sales/questions/mortgage_amount.rb
+++ b/app/models/form/sales/questions/mortgage_amount.rb
@@ -4,6 +4,7 @@ class Form::Sales::Questions::MortgageAmount < ::Form::Question
     @id = "mortgage"
     @type = "numeric"
     @min = 1
+    @max = form.start_year_2025_or_later? ? 999_999 : nil
     @step = 1
     @width = 5
     @prefix = "£"
diff --git a/app/models/form/sales/questions/purchase_price.rb b/app/models/form/sales/questions/purchase_price.rb
index 8a919b55f..010dfa99a 100644
--- a/app/models/form/sales/questions/purchase_price.rb
+++ b/app/models/form/sales/questions/purchase_price.rb
@@ -4,6 +4,7 @@ class Form::Sales::Questions::PurchasePrice < ::Form::Question
     @id = "value"
     @type = "numeric"
     @min = form.start_year_2026_or_later? ? 15_000 : 0
+    @max = form.start_year_2025_or_later? ? 999_999 : nil
     @step = form.start_year_2026_or_later? ? 1 : 0.01 # 0.01 was a mistake that was fixed in 2026
     @width = 5
     @prefix = "£"
diff --git a/app/models/form/sales/questions/value.rb b/app/models/form/sales/questions/value.rb
index 0884a3fb6..0521c3705 100644
--- a/app/models/form/sales/questions/value.rb
+++ b/app/models/form/sales/questions/value.rb
@@ -5,6 +5,7 @@ class Form::Sales::Questions::Value < ::Form::Question
     @copy_key = form.start_year_2025_or_later? ? "sales.sale_information.value.#{page.id}" : "sales.sale_information.value"
     @type = "numeric"
     @min = form.start_year_2026_or_later? ? 15_000 : 0
+    @max = form.start_year_2025_or_later? ? 999_999 : nil
     @step = 1
     @width = 10
     @prefix = "£"
diff --git a/lib/tasks/correct_values_missing_max_for_2025_or_later_sales_logs.rake b/lib/tasks/correct_values_missing_max_for_2025_or_later_sales_logs.rake
new file mode 100644
index 000000000..87d683c97
--- /dev/null
+++ b/lib/tasks/correct_values_missing_max_for_2025_or_later_sales_logs.rake
@@ -0,0 +1,16 @@
+desc "Clears mortgage, purchase price (the 'value' field), monthly rent before staircasing and management fee values for sales logs in the database if they are over their new max"
+task correct_values_missing_max_for_2025_or_later_sales_logs: :environment do
+  mortgage_incorrect_logs = SalesLog.filter_by_year_or_later(2025).where("mortgage > 999999")
+  value_incorrect_logs = SalesLog.filter_by_year_or_later(2025).where("value > 999999")
+  mrentprestaircasing_incorrect_logs = SalesLog.filter_by_year_or_later(2025).where("mrentprestaircasing > 9999")
+  management_fee_incorrect_logs = SalesLog.filter_by_year_or_later(2025).where("management_fee > 9999")
+  all_incorrect_logs = (mortgage_incorrect_logs + value_incorrect_logs + mrentprestaircasing_incorrect_logs + management_fee_incorrect_logs).uniq
+  puts "Correcting #{all_incorrect_logs.count} sales logs, #{all_incorrect_logs.map(&:id)}"
+
+  mortgage_incorrect_logs.update!(mortgage: nil)
+  value_incorrect_logs.update!(value: nil)
+  mrentprestaircasing_incorrect_logs.update!(mrentprestaircasing: nil)
+  management_fee_incorrect_logs.update!(management_fee: nil)
+
+  puts "Done"
+end
diff --git a/spec/models/form/sales/pages/monthly_rent_staircasing_owned_spec.rb b/spec/models/form/sales/pages/monthly_rent_staircasing_owned_spec.rb
index 21f0e0ee6..2761e5f76 100644
--- a/spec/models/form/sales/pages/monthly_rent_staircasing_owned_spec.rb
+++ b/spec/models/form/sales/pages/monthly_rent_staircasing_owned_spec.rb
@@ -1,11 +1,13 @@
 require "rails_helper"
 
 RSpec.describe Form::Sales::Pages::MonthlyRentStaircasingOwned, type: :model do
+  include CollectionTimeHelper
+
   subject(:page) { described_class.new(page_id, page_definition, subsection) }
 
   let(:page_id) { nil }
   let(:page_definition) { nil }
-  let(:subsection) { instance_double(Form::Subsection, form: instance_double(Form, start_date: Time.zone.local(2025, 4, 1))) }
+  let(:subsection) { instance_double(Form::Subsection, form: instance_double(Form, start_date: current_collection_start_date, start_year_2025_or_later?: true)) }
 
   it "has correct subsection" do
     expect(page.subsection).to eq(subsection)
diff --git a/spec/models/form/sales/pages/monthly_rent_staircasing_spec.rb b/spec/models/form/sales/pages/monthly_rent_staircasing_spec.rb
index 347e105fd..21e68ea64 100644
--- a/spec/models/form/sales/pages/monthly_rent_staircasing_spec.rb
+++ b/spec/models/form/sales/pages/monthly_rent_staircasing_spec.rb
@@ -1,11 +1,13 @@
 require "rails_helper"
 
 RSpec.describe Form::Sales::Pages::MonthlyRentStaircasing, type: :model do
+  include CollectionTimeHelper
+
   subject(:page) { described_class.new(page_id, page_definition, subsection) }
 
   let(:page_id) { nil }
   let(:page_definition) { nil }
-  let(:subsection) { instance_double(Form::Subsection, form: instance_double(Form, start_date: Time.zone.local(2025, 4, 1))) }
+  let(:subsection) { instance_double(Form::Subsection, form: instance_double(Form, start_date: current_collection_start_year, start_year_2025_or_later?: true)) }
 
   it "has correct subsection" do
     expect(page.subsection).to eq(subsection)
diff --git a/spec/models/form/sales/pages/mortgage_amount_spec.rb b/spec/models/form/sales/pages/mortgage_amount_spec.rb
index 8127dfb2d..045d8b1dc 100644
--- a/spec/models/form/sales/pages/mortgage_amount_spec.rb
+++ b/spec/models/form/sales/pages/mortgage_amount_spec.rb
@@ -5,7 +5,7 @@ RSpec.describe Form::Sales::Pages::MortgageAmount, type: :model do
 
   let(:page_id) { nil }
   let(:page_definition) { nil }
-  let(:subsection) { instance_double(Form::Subsection, id: "shared_ownership_initial_purchase", form: instance_double(Form, start_date: Time.zone.local(2023, 4, 1), start_year_2026_or_later?: false)) }
+  let(:subsection) { instance_double(Form::Subsection, id: "shared_ownership_initial_purchase", form: instance_double(Form, start_date: Time.zone.local(2023, 4, 1), start_year_2025_or_later?: true, start_year_2026_or_later?: true)) }
 
   it "has correct subsection" do
     expect(page.subsection).to eq(subsection)
diff --git a/spec/models/form/sales/pages/purchase_price_outright_ownership_spec.rb b/spec/models/form/sales/pages/purchase_price_outright_ownership_spec.rb
index e26221554..00f7d1f4e 100644
--- a/spec/models/form/sales/pages/purchase_price_outright_ownership_spec.rb
+++ b/spec/models/form/sales/pages/purchase_price_outright_ownership_spec.rb
@@ -5,7 +5,7 @@ RSpec.describe Form::Sales::Pages::PurchasePriceOutrightOwnership, type: :model
 
   let(:page_id) { "purchase_price" }
   let(:page_definition) { nil }
-  let(:subsection) { instance_double(Form::Subsection, id: "discounted_ownership_scheme", form: instance_double(Form, start_date: Time.zone.local(2023, 4, 1), start_year_2026_or_later?: false)) }
+  let(:subsection) { instance_double(Form::Subsection, id: "discounted_ownership_scheme", form: instance_double(Form, start_date: Time.zone.local(2023, 4, 1), start_year_2025_or_later?: true, start_year_2026_or_later?: false)) }
 
   it "has correct subsection" do
     expect(page.subsection).to eq(subsection)
diff --git a/spec/models/form/sales/pages/purchase_price_spec.rb b/spec/models/form/sales/pages/purchase_price_spec.rb
index 8ceb58f4a..4b74bbd4c 100644
--- a/spec/models/form/sales/pages/purchase_price_spec.rb
+++ b/spec/models/form/sales/pages/purchase_price_spec.rb
@@ -8,7 +8,7 @@ RSpec.describe Form::Sales::Pages::PurchasePrice, type: :model do
   let(:subsection) { instance_double(Form::Subsection) }
 
   before do
-    allow(subsection).to receive_messages(form: instance_double(Form, start_year_2024_or_later?: false, start_date: Time.zone.local(2023, 4, 1), start_year_2026_or_later?: false), id: "discounted_ownership_scheme")
+    allow(subsection).to receive_messages(form: instance_double(Form, start_year_2024_or_later?: true, start_date: Time.zone.local(2023, 4, 1), start_year_2025_or_later?: true, start_year_2026_or_later?: false), id: "discounted_ownership_scheme")
   end
 
   it "has correct subsection" do
diff --git a/spec/models/form/sales/pages/value_shared_ownership_spec.rb b/spec/models/form/sales/pages/value_shared_ownership_spec.rb
index e7e709d28..a8a1db327 100644
--- a/spec/models/form/sales/pages/value_shared_ownership_spec.rb
+++ b/spec/models/form/sales/pages/value_shared_ownership_spec.rb
@@ -5,7 +5,7 @@ RSpec.describe Form::Sales::Pages::ValueSharedOwnership, type: :model do
 
   let(:page_id) { "value_shared_ownership" }
   let(:page_definition) { nil }
-  let(:subsection) { instance_double(Form::Subsection, form: instance_double(Form, start_date: Time.zone.local(2023, 4, 1), start_year_2026_or_later?: false), id: "shared_ownership") }
+  let(:subsection) { instance_double(Form::Subsection, form: instance_double(Form, start_date: Time.zone.local(2023, 4, 1), start_year_2025_or_later?: true, start_year_2026_or_later?: false), id: "shared_ownership") }
 
   before do
     allow(page.subsection.form).to receive(:start_year_2025_or_later?).and_return(false)
diff --git a/spec/models/form/sales/questions/monthly_rent_before_staircasing_spec.rb b/spec/models/form/sales/questions/monthly_rent_before_staircasing_spec.rb
index 8d7d864a8..8ec7b1824 100644
--- a/spec/models/form/sales/questions/monthly_rent_before_staircasing_spec.rb
+++ b/spec/models/form/sales/questions/monthly_rent_before_staircasing_spec.rb
@@ -1,11 +1,14 @@
 require "rails_helper"
 
 RSpec.describe Form::Sales::Questions::MonthlyRentBeforeStaircasing, type: :model do
+  include CollectionTimeHelper
+
   subject(:question) { described_class.new(question_id, question_definition, page) }
 
   let(:question_id) { nil }
   let(:question_definition) { nil }
-  let(:page) { instance_double(Form::Page, subsection: instance_double(Form::Subsection, form: instance_double(Form, start_date: Time.zone.local(2023, 4, 1)))) }
+  let(:start_year_2025_or_later?) { true }
+  let(:page) { instance_double(Form::Page, subsection: instance_double(Form::Subsection, form: instance_double(Form, start_date: current_collection_start_date, start_year_2025_or_later?: start_year_2025_or_later?))) }
 
   it "has correct page" do
     expect(question.page).to eq(page)
@@ -34,4 +37,8 @@ RSpec.describe Form::Sales::Questions::MonthlyRentBeforeStaircasing, type: :mode
   it "has correct min" do
     expect(question.min).to eq(0)
   end
+
+  it "has correct max" do
+    expect(question.max).to eq(9_999)
+  end
 end
diff --git a/spec/models/form/sales/questions/mortgage_amount_spec.rb b/spec/models/form/sales/questions/mortgage_amount_spec.rb
index 12da4bc1f..064dead90 100644
--- a/spec/models/form/sales/questions/mortgage_amount_spec.rb
+++ b/spec/models/form/sales/questions/mortgage_amount_spec.rb
@@ -5,7 +5,7 @@ RSpec.describe Form::Sales::Questions::MortgageAmount, type: :model do
 
   let(:question_id) { nil }
   let(:question_definition) { nil }
-  let(:page) { instance_double(Form::Page, subsection: instance_double(Form::Subsection, id: "shared_ownership_initial_purchase", form: instance_double(Form, start_date: Time.zone.local(2023, 4, 1), start_year_2026_or_later?: false))) }
+  let(:page) { instance_double(Form::Page, subsection: instance_double(Form::Subsection, id: "shared_ownership_initial_purchase", form: instance_double(Form, start_date: Time.zone.local(2023, 4, 1), start_year_2025_or_later?: true, start_year_2026_or_later?: true))) }
 
   it "has correct page" do
     expect(question.page).to be(page)
@@ -35,6 +35,10 @@ RSpec.describe Form::Sales::Questions::MortgageAmount, type: :model do
     expect(question.min).to be(1)
   end
 
+  it "has correct max" do
+    expect(question.max).to eq(999_999)
+  end
+
   context "when the mortgage is not used" do
     let(:log) { build(:sales_log, :completed, mortgageused: 2, deposit: nil) }
 
diff --git a/spec/models/form/sales/questions/purchase_price_spec.rb b/spec/models/form/sales/questions/purchase_price_spec.rb
index 47081edb4..083baf4da 100644
--- a/spec/models/form/sales/questions/purchase_price_spec.rb
+++ b/spec/models/form/sales/questions/purchase_price_spec.rb
@@ -9,7 +9,7 @@ RSpec.describe Form::Sales::Questions::PurchasePrice, type: :model do
   let(:question_definition) { nil }
   let(:start_year) { current_collection_start_year }
   let(:start_year_2026_or_later?) { false }
-  let(:page) { instance_double(Form::Page, subsection: instance_double(Form::Subsection, id: "shared_ownership_initial_purchase", form: instance_double(Form, start_date: collection_start_date_for_year(start_year), start_year_2026_or_later?: start_year_2026_or_later?))) }
+  let(:page) { instance_double(Form::Page, subsection: instance_double(Form::Subsection, id: "shared_ownership_initial_purchase", form: instance_double(Form, start_date: collection_start_date_for_year(start_year), start_year_2026_or_later?: start_year_2026_or_later?, start_year_2025_or_later?: true))) }
 
   it "has correct page" do
     expect(question.page).to eq(page)
@@ -65,6 +65,10 @@ RSpec.describe Form::Sales::Questions::PurchasePrice, type: :model do
     it "has correct min" do
       expect(question.min).to eq(0)
     end
+
+    it "has correct max" do
+      expect(question.max).to eq(999_999)
+    end
   end
 
   context "with year 2026", metadata: { year: 26 } do
@@ -74,5 +78,9 @@ RSpec.describe Form::Sales::Questions::PurchasePrice, type: :model do
     it "has correct min" do
       expect(question.min).to eq(15_000)
     end
+
+    it "has correct max" do
+      expect(question.max).to eq(999_999)
+    end
   end
 end
diff --git a/spec/models/form/sales/questions/value_spec.rb b/spec/models/form/sales/questions/value_spec.rb
index 952b02e7c..ca63f89f5 100644
--- a/spec/models/form/sales/questions/value_spec.rb
+++ b/spec/models/form/sales/questions/value_spec.rb
@@ -9,11 +9,7 @@ RSpec.describe Form::Sales::Questions::Value, type: :model do
   let(:question_definition) { nil }
   let(:start_year) { current_collection_start_year }
   let(:start_year_2026_or_later?) { false }
-  let(:page) { instance_double(Form::Page, id: "value_shared_ownership", subsection: instance_double(Form::Subsection, form: instance_double(Form, start_date: collection_start_date_for_year(start_year), start_year_2026_or_later?: start_year_2026_or_later?), id: "shared_ownership")) }
-
-  before do
-    allow(page.subsection.form).to receive(:start_year_2025_or_later?).and_return(false)
-  end
+  let(:page) { instance_double(Form::Page, id: "value_shared_ownership", subsection: instance_double(Form::Subsection, form: instance_double(Form, start_date: collection_start_date_for_year(start_year), start_year_2026_or_later?: start_year_2026_or_later?, start_year_2025_or_later?: true), id: "shared_ownership")) }
 
   it "has correct page" do
     expect(question.page).to eq(page)
@@ -45,6 +41,10 @@ RSpec.describe Form::Sales::Questions::Value, type: :model do
     it "has correct min" do
       expect(question.min).to eq(0)
     end
+
+    it "has correct max" do
+      expect(question.max).to eq(999_999)
+    end
   end
 
   context "with year 2026", metadata: { year: 26 } do
@@ -54,5 +54,9 @@ RSpec.describe Form::Sales::Questions::Value, type: :model do
     it "has correct min" do
       expect(question.min).to eq(15_000)
     end
+
+    it "has correct max" do
+      expect(question.max).to eq(999_999)
+    end
   end
 end