diff --git a/backend/documents_parser/tests/test_end_to_end.py b/backend/documents_parser/tests/test_end_to_end.py
index 1310859f..f3ca2786 100644
--- a/backend/documents_parser/tests/test_end_to_end.py
+++ b/backend/documents_parser/tests/test_end_to_end.py
@@ -20,6 +20,7 @@ from datatypes.epc.domain.epc_property_data import (
 from datatypes.epc.domain.mapper import EpcPropertyDataMapper
 
 PDF_PATH = os.path.join(os.path.dirname(__file__), "fixtures", "ExampleSiteNotes.pdf")
+PDF_PATH_2 = os.path.join(os.path.dirname(__file__), "fixtures", "ExampleSiteNotes_2.pdf")
 
 
 class TestPdfToEpcPropertyData:
@@ -246,3 +247,15 @@ class TestPdfToEpcPropertyData:
             postcode="CW1 4JR",
             report_reference="6EA2A86D-94CE-4792-8D49-AB495C744EDD",
         )
+
+
+class TestPdfToEpcPropertyDataFixture2:
+    @pytest.fixture
+    def result(self) -> EpcPropertyData:
+        with open(PDF_PATH_2, "rb") as f:
+            pdf_bytes = f.read()
+        site_notes = PasHubRdSapSiteNotesExtractor(pdf_to_text_list(pdf_bytes)).extract()
+        return EpcPropertyDataMapper.from_site_notes(site_notes)
+
+    def test_cylinder_insulation_thickness(self, result: EpcPropertyData) -> None:
+        assert result.sap_heating.cylinder_insulation_thickness == 38