Postcode district
EPC ratings in CF23
CF23 in Cardiff has 13,570 properties with EPC certificates. The average rating is C, matching the Cardiff average. Browse sectors below or search for a specific address to view detailed property data. The area is predominantly house (71%). The most frequently recommended improvement is solar photovoltaic panels, 2.5 kwp.
EPC distribution
Percentage of properties in each EPC band across CF23.
Property type mix
Distribution of property types (houses, flats, bungalows) within CF23.
In CF23, the most common EPC-rated properties are house (around 71%) and flat (around 26%). This mix shapes how easy it is for local homes to improve their EPC ratings.
Top recommendations
Improvements most often recommended in this district.
- 1
Solar photovoltaic panels, 2.5 kWp
12833 occurrences · Code M
- 2
Solar water heating
10228 occurrences · Code L
- 3
Low energy lighting for all fixed outlets
9328 occurrences · Code H
- 4
Floor insulation (solid floor)
5292 occurrences · Code E
- 5
Cavity wall insulation
5199 occurrences · Code B
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