diff --git a/recommendations/tests/test_recommendation_utils.py b/recommendations/tests/test_recommendation_utils.py
index c42655eb..24ea6482 100644
--- a/recommendations/tests/test_recommendation_utils.py
+++ b/recommendations/tests/test_recommendation_utils.py
@@ -359,60 +359,36 @@ def test_park_home():
     ) == 0
 
 
-def test_esimtate_pitched_roof_area():
-    roof_area1 = recommendation_utils.esimtate_pitched_roof_area(
-        floor_area=100, floor_height=2
+def test_estimate_pitched_roof_area():
+    roof_area0 = recommendation_utils.estimate_pitched_roof_area(
+        floor_area=80,
+    )
+    assert np.isclose(roof_area0, 97.65333333333334)
+
+    roof_area1 = recommendation_utils.estimate_pitched_roof_area(
+        floor_area=100,
     )
 
-    assert np.isclose(roof_area1, 107.70329614269008)
+    assert np.isclose(roof_area1, 122.06666666666666)
 
-    # As the floor height gets bigger, the area should get bigger
-    roof_area2 = recommendation_utils.esimtate_pitched_roof_area(
-        floor_area=100, floor_height=3
+    roof_area2 = recommendation_utils.estimate_pitched_roof_area(
+        floor_area=45,
     )
 
-    assert np.isclose(roof_area2, 116.61903789690601)
+    assert np.isclose(roof_area2, 54.93)
 
-    # As the floor area gets smaller, the area should get smaller
-    roof_area3 = recommendation_utils.esimtate_pitched_roof_area(
-        floor_area=100, floor_height=1
+    roof_area3 = recommendation_utils.estimate_pitched_roof_area(
+        floor_area=60,
     )
 
-    assert np.isclose(roof_area3, 101.9803902718557)
+    assert np.isclose(roof_area3, 73.24)
 
-    # As the floor area decreases, area should decrease
-    roof_area4 = recommendation_utils.esimtate_pitched_roof_area(
-        floor_area=50, floor_height=2
-    )
-
-    assert np.isclose(roof_area4, 57.44562646538029)
-
-    # As the floor area increases, area should increase
-    roof_area5 = recommendation_utils.esimtate_pitched_roof_area(
-        floor_area=150, floor_height=2
-    )
-
-    assert np.isclose(roof_area5, 157.797338380595)
-
-    zero_roof_area = recommendation_utils.esimtate_pitched_roof_area(
-        floor_area=0, floor_height=1000
+    zero_roof_area = recommendation_utils.estimate_pitched_roof_area(
+        floor_area=0,
     )
 
     assert zero_roof_area == 0
 
-    # If the floor height zero, we don't have a traingle, it's a flat roof
-    flat_roof_area = recommendation_utils.esimtate_pitched_roof_area(
-        floor_area=1000, floor_height=0
-    )
-
-    assert flat_roof_area == 1000
-
-    zero_roof_area2 = recommendation_utils.esimtate_pitched_roof_area(
-        floor_area=0, floor_height=0
-    )
-
-    assert zero_roof_area2 == 0
-
 
 def test_external_wall_area():
     # Arrange: Define the test cases