diff --git a/tests/backend/app/modelling/test_property_filters.py b/tests/backend/app/modelling/test_property_filters.py
index 3b2ec2f73..d7c77212a 100644
--- a/tests/backend/app/modelling/test_property_filters.py
+++ b/tests/backend/app/modelling/test_property_filters.py
@@ -149,6 +149,34 @@ def test_property_type_override_beats_the_lodged_epc(db_engine: Engine) -> None:
     assert [p.property_id for p in resolved] == [overridden]
 
 
+def test_epc_property_type_prefers_lodged_over_predicted(db_engine: Engine) -> None:
+    # arrange — one property has both sources; the other only a prediction
+    with Session(db_engine) as session:
+        both = _seed_property(session, portfolio_id=814)
+        _seed_epc(session, property_id=both, source="lodged", property_type="House")
+        _seed_epc(
+            session, property_id=both, source="predicted", property_type="Bungalow"
+        )
+        predicted_only = _seed_property(session, portfolio_id=814)
+        _seed_epc(
+            session,
+            property_id=predicted_only,
+            source="predicted",
+            property_type="Bungalow",
+        )
+
+        # act
+        resolved = resolve_filtered_property_ids(
+            session,
+            portfolio_id=814,
+            filters=PropertyGroupFilters(property_types=["Bungalow"]),
+        )
+
+    # assert — 'both' resolves House (lodged wins); only the prediction-backed
+    # property is a Bungalow
+    assert [p.property_id for p in resolved] == [predicted_only]
+
+
 def test_postcode_filter_matches_exactly(db_engine: Engine) -> None:
     # arrange
     with Session(db_engine) as session: