diff --git a/backend/documents_parser/extractor.py b/backend/documents_parser/extractor.py
index ad3c5220..44ddb65f 100644
--- a/backend/documents_parser/extractor.py
+++ b/backend/documents_parser/extractor.py
@@ -3,6 +3,7 @@ from typing import List, Optional
 
 from datatypes.epc.surveys.pashub_rdsap_site_notes import (
     BuildingConstruction,
+    BuildingMeasurements,
     ExtensionConstruction,
     FloorConstruction,
     General,
@@ -183,6 +184,9 @@ class PasHubRdSapSiteNotesExtractor:
             ) or "",
         )
 
+    def extract_building_measurements(self) -> BuildingMeasurements:
+        raise NotImplementedError
+
     def _parse_floor_construction(self, data: List[str]) -> FloorConstruction:
         return FloorConstruction(
             floor_type=self._get_in(data, "Floor type:") or "",
diff --git a/backend/documents_parser/tests/test_extractor.py b/backend/documents_parser/tests/test_extractor.py
index c1ab52bf..becb6ae3 100644
--- a/backend/documents_parser/tests/test_extractor.py
+++ b/backend/documents_parser/tests/test_extractor.py
@@ -6,10 +6,14 @@ import pytest
 from backend.documents_parser.extractor import PasHubRdSapSiteNotesExtractor
 from datatypes.epc.surveys.pashub_rdsap_site_notes import (
     BuildingConstruction,
+    BuildingMeasurements,
     ExtensionConstruction,
+    ExtensionMeasurements,
     FloorConstruction,
+    FloorMeasurement,
     General,
     MainBuildingConstruction,
+    MainBuildingMeasurements,
     PasHubRdSapSiteNotes,
 )
 
@@ -161,3 +165,75 @@ class TestBuildingConstruction:
                 )
             ],
         )
+
+
+class TestBuildingMeasurements:
+    @pytest.fixture
+    def measurements(self) -> BuildingMeasurements:
+        return PasHubRdSapSiteNotesExtractor(
+            load_text_fixture()
+        ).extract_building_measurements()
+
+    def test_main_building_has_two_floors(
+        self, measurements: BuildingMeasurements
+    ) -> None:
+        assert len(measurements.main_building.floors) == 2
+
+    def test_main_building_floor_area(
+        self, measurements: BuildingMeasurements
+    ) -> None:
+        assert measurements.main_building.floors[0].area_m2 == 35.68
+
+    def test_integer_token_parses_to_float(
+        self, measurements: BuildingMeasurements
+    ) -> None:
+        # "11" in the PDF (no decimal) should parse to 11.0
+        assert measurements.main_building.floors[1].heat_loss_perimeter_m == 11.0
+
+    def test_extension_measurements_present(
+        self, measurements: BuildingMeasurements
+    ) -> None:
+        assert measurements.extensions is not None
+        assert len(measurements.extensions) == 1
+
+    def test_extension_id(self, measurements: BuildingMeasurements) -> None:
+        assert measurements.extensions is not None
+        assert measurements.extensions[0].id == 1
+
+    def test_full_building_measurements(
+        self, measurements: BuildingMeasurements
+    ) -> None:
+        assert measurements == BuildingMeasurements(
+            main_building=MainBuildingMeasurements(
+                floors=[
+                    FloorMeasurement(
+                        name="Floor 1",
+                        area_m2=35.68,
+                        height_m=2.19,
+                        heat_loss_perimeter_m=13.44,
+                        pwl_m=10.62,
+                    ),
+                    FloorMeasurement(
+                        name="Floor 0",
+                        area_m2=35.68,
+                        height_m=2.17,
+                        heat_loss_perimeter_m=11.0,
+                        pwl_m=10.62,
+                    ),
+                ]
+            ),
+            extensions=[
+                ExtensionMeasurements(
+                    id=1,
+                    floors=[
+                        FloorMeasurement(
+                            name="Floor 0",
+                            area_m2=3.8,
+                            height_m=2.0,
+                            heat_loss_perimeter_m=5.7,
+                            pwl_m=0.0,
+                        )
+                    ],
+                )
+            ],
+        )