EPC.Report

EPC Ratings in Cardiff

Wales

D
Avg Rating
68
Avg Score
126,622
Total Certs
1.4%
F/G Rated
67
National Avg

Cardiff is around the national average for energy efficiency.

Average score: 68 vs national average of 67.

Check grants for this area Landlord rules What is an EPC?

Best-Performing Districts

CF10 CF10
C (76)
CF3 CF3
C (71)
CF11 CF11
C (69)

Worst-Performing Districts

CF24 CF24
D (65)
CF14 CF14
D (66)
CF23 CF23
D (67)

All Postcode Districts

Code Area Avg Rating Avg Score % F/G Certificates
CF10 CF10 C 76 0.2% 10,547
CF3 CF3 C 71 0.9% 15,433
CF11 CF11 C 69 1.5% 15,435
CF5 CF5 D 68 1.9% 22,769
CF15 CF15 D 68 2% 5,278
CF23 CF23 D 67 1.4% 13,430
CF14 CF14 D 66 1.7% 22,738
CF24 CF24 D 65 1.4% 20,992
Find the best-rated districts in Cardiff →

Frequently asked questions

What is the average EPC rating in Cardiff?

The average EPC rating in Cardiff is D, scoring 68 out of 100 across 8 postcode districts and 126,622 certificates.

What percentage of homes in Cardiff are rated F or G?

1.4% of homes in Cardiff fall into the F or G bands, below the national average of 2.9%. Landlords should note that F and G rated properties cannot legally be rented out under current MEES rules.

Understanding EPC ratings

Not sure what these ratings mean for your property? Read our guide to Energy Performance Certificates for a plain-English explanation of the A–G scale. If you're a landlord, check the minimum EPC rules for rental properties — non-compliant homes face fines up to £30,000. Homeowners rated D or below may qualify for free government-funded improvements.

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