diff --git a/epc_data/tests/app.py b/epc_data/tests/app.py
index f67ecc24..35da2d97 100644
--- a/epc_data/tests/app.py
+++ b/epc_data/tests/app.py
@@ -55,6 +55,8 @@ def handler():
     def search_description_options(desc):
         if desc == "insulated":
             return "average"
+        if desc == "limited":
+            return "below average"
         raise Exception("Handle me")
 
     def find_insulation_thickness(description_lower, is_pitched, is_roof_room, is_flat):