Local authority
EPC ratings in Cardiff
Explore EPC ratings for properties in Cardiff. 122,904 properties have been assessed, with an average rating of C. Browse districts below to see local energy efficiency trends, or search for a specific address to view detailed EPC data. The most common improvement recommended across Cardiff is solar photovoltaic panels, 2.5 kwp, followed by solar water heating.
On average, 52% of EPC-rated homes in Cardiff are band A-C and 48% are band D-G, broadly in line with the England & Wales average.
EPC distribution
Percentage of properties in each EPC band across Cardiff.
District breakdown
9 districts in this authority.
CF1
Properties: 3
Band A-C
33%
Band D-G
67%
CF10
Properties: 10,415
Band A-C
83%
Band D-G
17%
CF11
Properties: 15,084
Band A-C
53%
Band D-G
47%
CF14
Properties: 22,963
Band A-C
44%
Band D-G
56%
CF15
Properties: 4,310
Band A-C
55%
Band D-G
45%
CF23
Properties: 13,570
Band A-C
49%
Band D-G
51%
CF24
Properties: 21,238
Band A-C
41%
Band D-G
59%
CF3
Properties: 13,999
Band A-C
61%
Band D-G
39%
CF5
Properties: 21,305
Band A-C
49%
Band D-G
51%
Common improvements in Cardiff
Top recommended actions across districts in this authority.
- 1
Solar photovoltaic panels, 2.5 kWp
107802 occurrences · Code M
- 2
Solar water heating
91423 occurrences · Code L
- 3
Low energy lighting for all fixed outlets
79732 occurrences · Code H
- 4
Floor insulation (solid floor)
46876 occurrences · Code E
- 5
Internal or external wall insulation
26498 occurrences · Code C
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