diff --git a/backend/documents_parser/extractor.py b/backend/documents_parser/extractor.py
index 59a84686..f7da5d46 100644
--- a/backend/documents_parser/extractor.py
+++ b/backend/documents_parser/extractor.py
@@ -15,6 +15,7 @@ from datatypes.epc.surveys.pashub_rdsap_site_notes import (
     PasHubRdSapSiteNotes,
     RoofSpace,
     RoofSpaceDetail,
+    Window,
 )
 
 
@@ -260,6 +261,9 @@ class PasHubRdSapSiteNotesExtractor:
             extensions=extensions if extensions else None,
         )
 
+    def extract_windows(self) -> List[Window]:
+        raise NotImplementedError
+
     def _parse_insulation_thickness(
         self, val: Optional[str]
     ) -> tuple[Optional[int], Optional[str]]:
diff --git a/backend/documents_parser/tests/test_extractor.py b/backend/documents_parser/tests/test_extractor.py
index 0061e436..52dc2c87 100644
--- a/backend/documents_parser/tests/test_extractor.py
+++ b/backend/documents_parser/tests/test_extractor.py
@@ -292,3 +292,47 @@ class TestRoofSpace:
                 )
             ],
         )
+
+
+class TestWindows:
+    @pytest.fixture
+    def windows(self) -> list:
+        return PasHubRdSapSiteNotesExtractor(load_text_fixture()).extract_windows()
+
+    def test_window_count(self, windows: list) -> None:
+        assert len(windows) == 8
+
+    def test_ids_are_sequential(self, windows: list) -> None:
+        assert [w.id for w in windows] == list(range(1, 9))
+
+    def test_first_window_location(self, windows: list) -> None:
+        assert windows[0].location == "Main Building"
+
+    def test_extension_window_location(self, windows: list) -> None:
+        assert windows[3].location == "Extension 1"
+
+    def test_height_parses_to_float(self, windows: list) -> None:
+        assert windows[0].height_m == 1.2
+
+    def test_draught_proofed_true(self, windows: list) -> None:
+        assert windows[0].draught_proofed is True
+
+    def test_permanent_shutters_false(self, windows: list) -> None:
+        assert windows[0].permanent_shutters is False
+
+    def test_first_window_full(self, windows: list) -> None:
+        from datatypes.epc.surveys.pashub_rdsap_site_notes import Window
+        assert windows[0] == Window(
+            id=1,
+            location="Main Building",
+            wall_type="External wall",
+            glazing_type="Double glazing, Unknown install date",
+            window_type="Window",
+            frame_type="Wooden or PVC",
+            glazing_gap="16 mm or more",
+            draught_proofed=True,
+            permanent_shutters=False,
+            height_m=1.2,
+            width_m=2.3,
+            orientation="North West",
+        )