diff --git a/tests/applications/modelling_e2e/test_handler.py b/tests/applications/modelling_e2e/test_handler.py
index 511fc3d69..2a01e258f 100644
--- a/tests/applications/modelling_e2e/test_handler.py
+++ b/tests/applications/modelling_e2e/test_handler.py
@@ -386,6 +386,73 @@ def test_skipped_cohort_certs_fail_the_subtask_but_the_plan_is_still_saved() ->
     mock_uow.commit.assert_called_once()
 
 
+def test_skipped_cohort_certs_are_logged_and_handler_does_not_raise() -> None:
+    """Unmappable cohort certs are logged but do not raise — the coordinator
+    SubTask completes normally and the property plan is committed."""
+    from repositories.comparable_properties.epc_comparable_properties_repository import (
+        SkippedCohortCert,
+    )
+
+    mock_engine = _engine_mock([PROPERTY_ID], [UPRN], [POSTCODE])
+    mock_plan = _plan_mock()
+    mock_uow = MagicMock()
+    skipped = [
+        SkippedCohortCert(
+            certificate_number="8257-7539-1649-0633-4992",
+            error="ValueError: RdSapSchema17_1: missing required field 'window'",
+        )
+    ]
+
+    with ExitStack() as stack:
+        stack.enter_context(patch("applications.modelling_e2e.handler.os.environ", _ENV))
+        stack.enter_context(
+            patch("applications.modelling_e2e.handler._get_engine", return_value=mock_engine)
+        )
+        stack.enter_context(
+            patch("applications.modelling_e2e.handler.EpcClientService")
+        ).return_value.get_by_uprn.return_value = MagicMock()
+        stack.enter_context(patch("applications.modelling_e2e.handler.GeospatialS3Repository"))
+        stack.enter_context(patch("applications.modelling_e2e.handler.GoogleSolarApiClient"))
+        stack.enter_context(
+            patch("applications.modelling_e2e.handler._spatial_for", return_value=None)
+        )
+        stack.enter_context(
+            patch("applications.modelling_e2e.handler._solar_insights_for", return_value=None)
+        )
+        stack.enter_context(
+            patch("applications.modelling_e2e.handler.overlays_from", return_value=[])
+        )
+        stack.enter_context(patch("applications.modelling_e2e.handler.PropertyOverridesPostgresReader"))
+        stack.enter_context(
+            patch("applications.modelling_e2e.handler.ScenarioPostgresRepository")
+        ).return_value.get_many.return_value = [MagicMock()]
+        stack.enter_context(patch("applications.modelling_e2e.handler.catalogue_with_off_catalogue_overrides"))
+        stack.enter_context(patch("applications.modelling_e2e.handler.Session"))
+        stack.enter_context(
+            patch("applications.modelling_e2e.handler.run_modelling", return_value=mock_plan)
+        )
+        stack.enter_context(
+            patch("applications.modelling_e2e.handler.EpcComparablePropertiesRepository")
+        ).return_value.skipped = skipped
+        MockUoW = stack.enter_context(patch("applications.modelling_e2e.handler.PostgresUnitOfWork"))
+        MockUoW.return_value.__enter__.return_value = mock_uow
+        MockUoW.return_value.__exit__.return_value = False
+        mock_logger = stack.enter_context(
+            patch("applications.modelling_e2e.handler.logger")
+        )
+
+        # Act — must not raise even though cohort certs were skipped
+        _call_handler(_BODY)
+
+    # Assert — plan committed; skipped cert number surfaced in a log call
+    mock_uow.plan.save.assert_called_once()
+    mock_uow.commit.assert_called_once()
+    logged_messages = " ".join(
+        str(c.args) + str(c.kwargs) for c in mock_logger.info.call_args_list
+    )
+    assert "8257-7539-1649-0633-4992" in logged_messages
+
+
 # ---------------------------------------------------------------------------
 # EPC Prediction path
 # ---------------------------------------------------------------------------