diff --git a/app/models/form/sales/questions/previous_postcode.rb b/app/models/form/sales/questions/previous_postcode.rb
index 10a4fbcd8..ea4cb82ed 100644
--- a/app/models/form/sales/questions/previous_postcode.rb
+++ b/app/models/form/sales/questions/previous_postcode.rb
@@ -6,6 +6,7 @@ class Form::Sales::Questions::PreviousPostcode < ::Form::Question
     @header = "Postcode"
     @page = page
     @type = "text"
+    @width = 5
     @hint_text = "This is also known as the household’s 'last settled home'"
     @inferred_check_answers_value = {
       "condition" => {
diff --git a/spec/models/form/sales/questions/previous_postcode_spec.rb b/spec/models/form/sales/questions/previous_postcode_spec.rb
index 0269af968..73435ed11 100644
--- a/spec/models/form/sales/questions/previous_postcode_spec.rb
+++ b/spec/models/form/sales/questions/previous_postcode_spec.rb
@@ -35,6 +35,10 @@ RSpec.describe Form::Sales::Questions::PreviousPostcode, type: :model do
     expect(question.hint_text).to eq("This is also known as the household’s 'last settled home'")
   end
 
+  it "has the correct width" do
+    expect(question.width).to eq(5)
+  end
+
   it "has the correct inferred_answers" do
     expect(question.inferred_answers).to eq({
       "prevloc" => {