diff --git a/app/models/form/sales/questions/shared_ownership_type.rb b/app/models/form/sales/questions/shared_ownership_type.rb
index 6351cc185..73b6a4e17 100644
--- a/app/models/form/sales/questions/shared_ownership_type.rb
+++ b/app/models/form/sales/questions/shared_ownership_type.rb
@@ -6,16 +6,31 @@ class Form::Sales::Questions::SharedOwnershipType < ::Form::Question
     @header = "What is the type of shared ownership sale?"
     @hint_text = "A shared ownership sale is when the purchaser buys up to 75% of the property value and pays rent to the Private Registered Provider (PRP) on the remaining portion"
     @type = "radio"
-    @answer_options = ANSWER_OPTIONS
+    @answer_options = answer_options
   end
 
-  ANSWER_OPTIONS = {
-    "2" => { "value" => "Shared Ownership" },
-    "24" => { "value" => "Old Persons Shared Ownership" },
-    "18" => { "value" => "Social HomeBuy (shared ownership purchase)" },
-    "16" => { "value" => "Home Ownership for people with Long Term Disabilities (HOLD)" },
-    "28" => { "value" => "Rent to Buy - Shared Ownership" },
-    "31" => { "value" => "Right to Shared Ownership" },
-    "30" => { "value" => "Shared Ownership - 2021 model lease" },
-  }.freeze
+  def answer_options
+    if form.start_date.year >= 2023
+      {
+        "2" => { "value" => "Shared Ownership (old model lease)" },
+        "30" => { "value" => "Shared Ownership (new model lease)" },
+        "18" => { "value" => "Social HomeBuy — shared ownership purchase" },
+        "16" => { "value" => "Home Ownership for people with Long-Term Disabilities (HOLD)" },
+        "24" => { "value" => "Older Persons Shared Ownership" },
+        "28" => { "value" => "Rent to Buy — Shared Ownership" },
+        "31" => { "value" => "Right to Shared Ownership (RtSO)" },
+        "32" => { "value" => "London Living Rent — Shared Ownership" },
+      }
+    else
+      {
+        "2" => { "value" => "Shared Ownership" },
+        "24" => { "value" => "Old Persons Shared Ownership" },
+        "18" => { "value" => "Social HomeBuy (shared ownership purchase)" },
+        "16" => { "value" => "Home Ownership for people with Long-Term Disabilities (HOLD)" },
+        "28" => { "value" => "Rent to Buy - Shared Ownership" },
+        "31" => { "value" => "Right to Shared Ownership" },
+        "30" => { "value" => "Shared Ownership - 2021 model lease" },
+      }
+    end
+  end
 end
diff --git a/spec/models/form/sales/pages/shared_ownership_type_spec.rb b/spec/models/form/sales/pages/shared_ownership_type_spec.rb
index b8b71080f..09c277766 100644
--- a/spec/models/form/sales/pages/shared_ownership_type_spec.rb
+++ b/spec/models/form/sales/pages/shared_ownership_type_spec.rb
@@ -5,7 +5,9 @@ RSpec.describe Form::Sales::Pages::SharedOwnershipType, type: :model do
 
   let(:page_id) { nil }
   let(:page_definition) { nil }
-  let(:subsection) { instance_double(Form::Subsection) }
+  let(:start_date) { Time.utc(2022, 4, 1) }
+  let(:form) { instance_double(Form, start_date:) }
+  let(:subsection) { instance_double(Form::Subsection, form:) }
 
   it "has correct subsection" do
     expect(page.subsection).to eq(subsection)
diff --git a/spec/models/form/sales/questions/shared_ownership_type_spec.rb b/spec/models/form/sales/questions/shared_ownership_type_spec.rb
index c164c5794..3f60155bf 100644
--- a/spec/models/form/sales/questions/shared_ownership_type_spec.rb
+++ b/spec/models/form/sales/questions/shared_ownership_type_spec.rb
@@ -5,7 +5,10 @@ RSpec.describe Form::Sales::Questions::SharedOwnershipType, type: :model do
 
   let(:question_id) { nil }
   let(:question_definition) { nil }
-  let(:page) { instance_double(Form::Page) }
+  let(:start_date) { Time.utc(2022, 4, 1) }
+  let(:form) { instance_double(Form, start_date:) }
+  let(:subsection) { instance_double(Form::Subsection, form:) }
+  let(:page) { instance_double(Form::Page, subsection:) }
 
   it "has correct page" do
     expect(question.page).to eq(page)
@@ -35,15 +38,34 @@ RSpec.describe Form::Sales::Questions::SharedOwnershipType, type: :model do
     expect(question.hint_text).to eq("A shared ownership sale is when the purchaser buys up to 75% of the property value and pays rent to the Private Registered Provider (PRP) on the remaining portion")
   end
 
-  it "has the correct answer_options" do
-    expect(question.answer_options).to eq({
-      "2" => { "value" => "Shared Ownership" },
-      "24" => { "value" => "Old Persons Shared Ownership" },
-      "18" => { "value" => "Social HomeBuy (shared ownership purchase)" },
-      "16" => { "value" => "Home Ownership for people with Long Term Disabilities (HOLD)" },
-      "28" => { "value" => "Rent to Buy - Shared Ownership" },
-      "31" => { "value" => "Right to Shared Ownership" },
-      "30" => { "value" => "Shared Ownership - 2021 model lease" },
-    })
+  context "when form start date is 2022" do
+    it "has the correct answer_options" do
+      expect(question.answer_options).to eq({
+        "2" => { "value" => "Shared Ownership" },
+        "24" => { "value" => "Old Persons Shared Ownership" },
+        "18" => { "value" => "Social HomeBuy (shared ownership purchase)" },
+        "16" => { "value" => "Home Ownership for people with Long-Term Disabilities (HOLD)" },
+        "28" => { "value" => "Rent to Buy - Shared Ownership" },
+        "31" => { "value" => "Right to Shared Ownership" },
+        "30" => { "value" => "Shared Ownership - 2021 model lease" },
+      })
+    end
+  end
+
+  context "when form start date is 2023" do
+    let(:start_date) { Time.utc(2023, 4, 2) }
+
+    it "has the correct answer_options" do
+      expect(question.answer_options).to eq({
+        "2" => { "value" => "Shared Ownership (old model lease)" },
+        "30" => { "value" => "Shared Ownership (new model lease)" },
+        "18" => { "value" => "Social HomeBuy — shared ownership purchase" },
+        "16" => { "value" => "Home Ownership for people with Long-Term Disabilities (HOLD)" },
+        "24" => { "value" => "Older Persons Shared Ownership" },
+        "28" => { "value" => "Rent to Buy — Shared Ownership" },
+        "31" => { "value" => "Right to Shared Ownership (RtSO)" },
+        "32" => { "value" => "London Living Rent — Shared Ownership" },
+      })
+    end
   end
 end