diff --git a/app/models/form/question.rb b/app/models/form/question.rb
index 18c1c6e82..aca00f8dd 100644
--- a/app/models/form/question.rb
+++ b/app/models/form/question.rb
@@ -2,7 +2,7 @@ class Form::Question
   attr_accessor :id, :header, :hint_text, :description, :questions,
                 :type, :min, :max, :step, :width, :fields_to_add, :result_field,
                 :conditional_for, :readonly, :answer_options, :page, :check_answer_label,
-                :inferred_answers, :hidden_in_check_answers
+                :inferred_answers, :hidden_in_check_answers, :inferred_check_answers_value
 
   def initialize(id, hsh, page)
     @id = id
@@ -20,6 +20,7 @@ class Form::Question
     @answer_options = hsh["answer_options"]
     @conditional_for = hsh["conditional_for"]
     @inferred_answers = hsh["inferred_answers"]
+    @inferred_check_answers_value = hsh["inferred_check_answers_value"]
     @hidden_in_check_answers = hsh["hidden_in_check_answers"]
     @page = page
   end
@@ -54,6 +55,11 @@ class Form::Question
     hidden_in_check_answers
   end
 
+  def has_inferred_check_answers_value?(case_log)
+    return inferred_check_answers_value["condition"].values[0] == case_log[inferred_check_answers_value["condition"].keys[0]] if inferred_check_answers_value.present? 
+    false
+  end
+
   def update_answer_link_name(case_log)
     if type == "checkbox"
       answer_options.keys.any? { |key| case_log[key] == "Yes" } ? "Change" : "Answer"
diff --git a/app/models/form/subsection.rb b/app/models/form/subsection.rb
index 922297bdf..0a41e69ae 100644
--- a/app/models/form/subsection.rb
+++ b/app/models/form/subsection.rb
@@ -52,7 +52,7 @@ class Form::Subsection
   end
 
   def applicable_questions(case_log)
-    questions.select { |q| q.page.routed_to?(case_log) && q.enabled?(case_log) && !q.hidden_in_check_answers? }
+    questions.select { |q| displayed_to_user?(case_log, q) || q.has_inferred_check_answers_value?(case_log) }
   end
 
   def answered_questions(case_log)
@@ -62,4 +62,8 @@ class Form::Subsection
   def unanswered_questions(case_log)
     applicable_questions(case_log) - answered_questions(case_log)
   end
+
+  def displayed_to_user?(case_log, q)
+    q.page.routed_to?(case_log) && q.enabled?(case_log) && !q.hidden_in_check_answers?
+  end
 end
diff --git a/config/forms/2021_2022.json b/config/forms/2021_2022.json
index eedd76873..a270b8df4 100644
--- a/config/forms/2021_2022.json
+++ b/config/forms/2021_2022.json
@@ -1153,7 +1153,11 @@
                   "hint_text": "",
                   "type": "text",
                   "width": 5,
-                  "inferred_answers": { "la": { "is_la_inferred": true } }
+                  "inferred_answers": { "la": { "is_la_inferred": true } },
+                  "inferred_check_answers_value": {
+                    "condition": { "postcode_known": "No" },
+                    "value": "Not known"
+                  }
                 }
               }
             },