diff --git a/backend/tests/test_property.py b/backend/tests/test_property.py
index b376db9e..d8519b6b 100644
--- a/backend/tests/test_property.py
+++ b/backend/tests/test_property.py
@@ -12,6 +12,7 @@ mock_epc_response = {
             "uprn": 1,
             "number-habitable-rooms": 5,
             "property-type": "House",
+            "built-form": "Detached",
             "inspection-date": "2023-06-01",
             'lodgement-datetime': '2023-06-01 20:29:01',
             "some-other-key": "some-value",
@@ -42,6 +43,7 @@ mock_epc_response = {
             "uprn": 2,
             "number-habitable-rooms": 5,
             "property-type": "House",
+            "built-form": "Detached",
             "inspection-date": "2023-05-01",
             'lodgement-datetime': '2023-05-01 20:29:01',
             "some-other-key": "some-other-value",