diff --git a/app/models/form/sales/questions/staircase.rb b/app/models/form/sales/questions/staircase.rb
index 9fc969735..1436a2ec0 100644
--- a/app/models/form/sales/questions/staircase.rb
+++ b/app/models/form/sales/questions/staircase.rb
@@ -2,7 +2,7 @@ class Form::Sales::Questions::Staircase < ::Form::Question
   def initialize(id, hsh, page)
     super
     @id = "staircase"
-    @copy_key = "sales.sale_information.staircasing"
+    @copy_key = form.start_year_2025_or_later? ? "sales.setup.staircasing" : "sales.sale_information.staircasing"
     @type = "radio"
     @answer_options = ANSWER_OPTIONS
     @question_number = QUESTION_NUMBER_FROM_YEAR[form.start_date.year] || QUESTION_NUMBER_FROM_YEAR[QUESTION_NUMBER_FROM_YEAR.keys.max]
@@ -11,8 +11,7 @@ class Form::Sales::Questions::Staircase < ::Form::Question
   ANSWER_OPTIONS = {
     "1" => { "value" => "Yes" },
     "2" => { "value" => "No" },
-    "3" => { "value" => "Don’t know" },
   }.freeze
 
-  QUESTION_NUMBER_FROM_YEAR = { 2023 => 76, 2024 => 78 }.freeze
+  QUESTION_NUMBER_FROM_YEAR = { 2023 => 76, 2024 => 78, 2025 => 7 }.freeze
 end
diff --git a/app/models/form/sales/subsections/setup.rb b/app/models/form/sales/subsections/setup.rb
index de623e769..43b6e252d 100644
--- a/app/models/form/sales/subsections/setup.rb
+++ b/app/models/form/sales/subsections/setup.rb
@@ -13,6 +13,7 @@ class Form::Sales::Subsections::Setup < ::Form::Subsection
       Form::Sales::Pages::SaleDate.new(nil, nil, self),
       Form::Sales::Pages::PurchaserCode.new(nil, nil, self),
       Form::Sales::Pages::OwnershipScheme.new(nil, nil, self),
+      (Form::Sales::Pages::Staircase.new(nil, nil, self) if form.start_year_2025_or_later?),
       Form::Sales::Pages::SharedOwnershipType.new(nil, nil, self),
       Form::Sales::Pages::DiscountedOwnershipType.new(nil, nil, self),
       Form::Sales::Pages::OutrightOwnershipType.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 3fba8ef70..455755e31 100644
--- a/app/models/form/sales/subsections/shared_ownership_scheme.rb
+++ b/app/models/form/sales/subsections/shared_ownership_scheme.rb
@@ -10,7 +10,7 @@ class Form::Sales::Subsections::SharedOwnershipScheme < ::Form::Subsection
     @pages ||= [
       Form::Sales::Pages::LivingBeforePurchase.new("living_before_purchase_shared_ownership_joint_purchase", nil, self, ownershipsch: 1, joint_purchase: true),
       Form::Sales::Pages::LivingBeforePurchase.new("living_before_purchase_shared_ownership", nil, self, ownershipsch: 1, joint_purchase: false),
-      Form::Sales::Pages::Staircase.new(nil, nil, self),
+      (Form::Sales::Pages::Staircase.new(nil, nil, self) unless form.start_year_2025_or_later?),
       Form::Sales::Pages::AboutStaircase.new("about_staircasing_joint_purchase", nil, self, joint_purchase: true),
       Form::Sales::Pages::AboutStaircase.new("about_staircasing_not_joint_purchase", nil, self, joint_purchase: false),
       Form::Sales::Pages::StaircaseBoughtValueCheck.new(nil, nil, self),
diff --git a/config/locales/forms/2025/sales/sale_information.en.yml b/config/locales/forms/2025/sales/sale_information.en.yml
index 51270a92e..33826e58b 100644
--- a/config/locales/forms/2025/sales/sale_information.en.yml
+++ b/config/locales/forms/2025/sales/sale_information.en.yml
@@ -25,11 +25,6 @@ en:
                 hint_text: ""
                 question_text: "Did the buyer live in the property before purchasing it?"
 
-          staircasing:
-            page_header: ""
-            check_answer_label: "Staircasing transaction"
-            hint_text: "A staircasing transaction is when the household purchases more shares in their property, increasing the proportion they own and decreasing the proportion the housing association owns. Once the household purchases 100% of the shares, they own the property"
-            question_text: "Is this a staircasing transaction?"
           about_staircasing:
               page_header: "About the staircasing transaction"
               stairbought:
diff --git a/config/locales/forms/2025/sales/setup.en.yml b/config/locales/forms/2025/sales/setup.en.yml
index 4f00ab0c2..c35ab78a6 100644
--- a/config/locales/forms/2025/sales/setup.en.yml
+++ b/config/locales/forms/2025/sales/setup.en.yml
@@ -39,6 +39,12 @@ en:
             hint_text: ""
             question_text: "Was this purchase made through an ownership scheme?"
 
+          staircasing:
+            page_header: ""
+            check_answer_label: "Staircasing transaction"
+            hint_text: "A staircasing transaction is when the household purchases more shares in their property, increasing the proportion they own and decreasing the proportion the housing association owns. Once the household purchases 100% of the shares, they own the property"
+            question_text: "Is this a staircasing transaction?"
+
           type:
             shared_ownership:
               page_header: "Type of shared ownership sale"