diff --git a/app/models/validations/sales/financial_validations.rb b/app/models/validations/sales/financial_validations.rb
index a2cb2170f..91d4c31b7 100644
--- a/app/models/validations/sales/financial_validations.rb
+++ b/app/models/validations/sales/financial_validations.rb
@@ -73,8 +73,9 @@ module Validations::Sales::FinancialValidations
                 end
 
     if threshold && record.stairbought < threshold
-      record.errors.add :stairbought, I18n.t("validations.sales.financial.stairbought.percentage_bought_must_be_at_least_threshold", threshold:)
-      record.errors.add :type, I18n.t("validations.sales.financial.type.percentage_bought_must_be_at_least_threshold", threshold:)
+      shared_ownership_type = record.form.get_question("type", record).label_from_value(record.type).downcase
+      record.errors.add :stairbought, I18n.t("validations.sales.financial.stairbought.percentage_bought_must_be_at_least_threshold", threshold:, shared_ownership_type:)
+      record.errors.add :type, I18n.t("validations.sales.financial.type.percentage_bought_must_be_at_least_threshold", threshold:, shared_ownership_type:)
     end
   end
 
diff --git a/config/locales/validations/sales/financial.en.yml b/config/locales/validations/sales/financial.en.yml
index 55d563ee3..a4fe65464 100644
--- a/config/locales/validations/sales/financial.en.yml
+++ b/config/locales/validations/sales/financial.en.yml
@@ -55,7 +55,7 @@ en:
         type:
           equity_under_min: "The minimum initial equity stake for this type of shared ownership sale is %{min_equity}%."
           equity_over_max: "The maximum initial equity stake is %{max_equity}%."
-          percentage_bought_must_be_at_least_threshold: "The minimum increase in equity while staircasing is %{threshold}% for this shared ownership type."
+          percentage_bought_must_be_at_least_threshold: "The minimum percentage share that can be bought in a staircasing transaction for %{shared_ownership_type} is %{threshold}%. Please change your answer or check that you have selected the correct shared ownership type."
 
         equity:
           equity_under_min: "The minimum initial equity stake for this type of shared ownership sale is %{min_equity}%."
@@ -77,7 +77,7 @@ en:
           equity_over_stairowned_minus_stairbought:
             joint_purchase: "The initial equity stake is %{equity}% and the percentage owned in total minus the percentage bought is %{staircase_difference}%. In a staircasing transaction, the equity stake purchased cannot be larger than the percentage the buyers own minus the percentage bought."
             not_joint_purchase: "The initial equity stake is %{equity}% and the percentage owned in total minus the percentage bought is %{staircase_difference}%. In a staircasing transaction, the equity stake purchased cannot be larger than the percentage the buyer owns minus the percentage bought."
-          percentage_bought_must_be_at_least_threshold: "The minimum increase in equity while staircasing is %{threshold}%."
+          percentage_bought_must_be_at_least_threshold: "The minimum percentage share that can be bought in a staircasing transaction for %{shared_ownership_type} is %{threshold}%. Please change your answer or check that you have selected the correct shared ownership type."
           percentage_bought_equal_percentage_owned: "The percentage bought is %{stairbought}% and the percentage owned in total is %{stairowned}%. These figures cannot be the same."
         
         uprn_selection:
diff --git a/spec/models/validations/sales/financial_validations_spec.rb b/spec/models/validations/sales/financial_validations_spec.rb
index f579ae27e..f49179063 100644
--- a/spec/models/validations/sales/financial_validations_spec.rb
+++ b/spec/models/validations/sales/financial_validations_spec.rb
@@ -275,18 +275,20 @@ RSpec.describe Validations::Sales::FinancialValidations do
       record.stairbought = 9
       [2, 16, 18, 24].each do |type|
         record.type = type
+        shared_ownership_type = record.form.get_question("type", record).label_from_value(record.type).downcase
         financial_validator.validate_percentage_bought_at_least_threshold(record)
-        expect(record.errors["stairbought"]).to eq([I18n.t("validations.sales.financial.stairbought.percentage_bought_must_be_at_least_threshold", threshold: 10)])
-        expect(record.errors["type"]).to eq([I18n.t("validations.sales.financial.type.percentage_bought_must_be_at_least_threshold", threshold: 10)])
+        expect(record.errors["stairbought"]).to eq([I18n.t("validations.sales.financial.stairbought.percentage_bought_must_be_at_least_threshold", threshold: 10, shared_ownership_type:)])
+        expect(record.errors["type"]).to eq([I18n.t("validations.sales.financial.type.percentage_bought_must_be_at_least_threshold", threshold: 10, shared_ownership_type:)])
         record.errors.clear
       end
 
       record.stairbought = 0
       [28, 30, 31, 32].each do |type|
         record.type = type
+        shared_ownership_type = record.form.get_question("type", record).label_from_value(record.type).downcase
         financial_validator.validate_percentage_bought_at_least_threshold(record)
-        expect(record.errors["stairbought"]).to eq([I18n.t("validations.sales.financial.stairbought.percentage_bought_must_be_at_least_threshold", threshold: 1)])
-        expect(record.errors["type"]).to eq([I18n.t("validations.sales.financial.type.percentage_bought_must_be_at_least_threshold", threshold: 1)])
+        expect(record.errors["stairbought"]).to eq([I18n.t("validations.sales.financial.stairbought.percentage_bought_must_be_at_least_threshold", threshold: 1, shared_ownership_type:)])
+        expect(record.errors["type"]).to eq([I18n.t("validations.sales.financial.type.percentage_bought_must_be_at_least_threshold", threshold: 1, shared_ownership_type:)])
         record.errors.clear
       end
     end