diff --git a/app/models/constants/case_log.rb b/app/models/constants/case_log.rb
index d742f36d4..0396e7815 100644
--- a/app/models/constants/case_log.rb
+++ b/app/models/constants/case_log.rb
@@ -714,4 +714,13 @@ module Constants::CaseLog
     "Intermediate Rent General needs LA" => 11,
     "Intermediate Rent Supported housing LA" => 12,
   }.freeze
+
+  RENT_TYPE_MAPPING = {
+    "Social rent" => "Social Rent",
+    "Affordable rent" => "Affordable Rent",
+    "London Affordable rent" => "Affordable Rent",
+    "Rent to buy" => "Intermediate Rent",
+    "London living rent" => "Intermediate Rent",
+    "Other intermediate rent product" => "Intermediate Rent",
+  }.freeze
 end