diff --git a/recommendations/optimiser/funding_optimiser.py b/recommendations/optimiser/funding_optimiser.py
index 417363cd..855d7e5c 100644
--- a/recommendations/optimiser/funding_optimiser.py
+++ b/recommendations/optimiser/funding_optimiser.py
@@ -808,6 +808,9 @@ def _find_measure(input_measures, measure_type):
 def _make_solar_heating_funding_paths(
     p, input_measures, funding_paths, remaining_insulation_type, housing_type, funding: Funding
 ):
+    # If a property is private and EPC D or above, it's not eligible
+    if housing_type == "Private" and p.data["current-energy-rating"] in ["D", "C", "B", "A"]:
+        return funding_paths
     # ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
     # Solar PV with existing eligible heating system
     # ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~