EPC ratings in CF24: Cardiff (Roath & Cathays)
Across 442 domestic Energy Performance Certificates sampled in CF24 (Cardiff (Roath & Cathays)), the most common energy band is C and the average band is D. 56.1% of certificates are rated C or above — the threshold mortgage lenders and the government's energy targets focus on. This is an indicative, area-level picture of the local housing stock, not the EPC for any one property.
Roath and Cathays, dense Cardiff student-rental terraces.
EPC band distribution in CF24
The share of domestic Energy Performance Certificates in each band (A is most efficient, G least), aggregated from 442 certificates sampled across 14 postcodes in CF24:
| Band | Certificates | Share |
|---|---|---|
| A | 1 | 0.2% |
| B | 36 | 8.1% |
| C | 211 | 47.7% |
| D | 128 | 29% |
| E | 49 | 11.1% |
| F | 14 | 3.2% |
| G | 3 | 0.7% |
442 certificates aggregated. The MHCLG register has no outcode-level query, so this distribution is sampled from real certificates across CF24 and is indicative of the local housing stock — not a complete census of every property.
How energy-efficient is CF24?
With an average band of D and 56.1% of homes at C or above,CF24 reflects its housing stock: modern flats and recent new-builds push the average up, while older period and solid-wall housing pulls it down. Energy band affects running costs, mortgage eligibility and improvement potential — use this as area context alongside the price, crime and flood picture, not in isolation.
See the EPC for one CF24 address
This page is the area picture. To see the actual EPC for one exact property — its current and potential band, running costs and recommended improvements — alongside its sold-price history, crime, flood and ground risk and a current valuation, search the address. The full breakdown is in the £24.99 Complete report.
Try or search any UK postcode
Frequently asked questions
What is the average EPC rating in CF24?
Across 442 domestic certificates sampled in CF24 (Cardiff (Roath & Cathays)), the average energy band is D and the most common band is C. 56.1% of homes are rated C or above. This is an area-level average from the MHCLG EPC register, not a per-property rating — search an exact address for its own certificate.
What EPC band do most homes in CF24 have?
The most common (modal) EPC band in CF24 is C, with the full A–G breakdown in the table above. City-centre outcodes tend to skew towards band C because they hold more modern, well-insulated flats, while areas of older period housing skew lower.
How many homes in CF24 are EPC C or above?
About 56.1% of the 442 certificates we aggregated in CF24 are rated C or above. Band C is the level most lenders' green-mortgage products and the government's efficiency targets are pegged to, so it is a useful area benchmark.
How accurate is this EPC data for CF24?
It is official data from the MHCLG Energy Performance of Buildings register for England and Wales, published under the Open Government Licence. Because the register has no outcode-level query, this distribution is SAMPLED from real certificates across postcodes in the outcode and aggregated — it is indicative of the local housing stock, not a complete census of every property. Search an exact address on HouseCheckup to see its own EPC in the full report.
EPC ratings in nearby areas
Central Cardiff, a Welsh-capital core dominated by modern, well-insulated apartments.
Canton, Pontcanna and Riverside, premium central Cardiff terraces.
Battersea and Clapham Junction, a busy riverside district of Victorian terraces and new-build riverside flats.
South-bank Southwark and Bermondsey, a high-density mix of warehouse conversions and modern riverside apartments.
Islington, a dense inner-north district of Georgian and Victorian housing with newer flats around the canal.
Canary Wharf and the Isle of Dogs, a high-density cluster of modern, well-insulated apartment towers.
Sources
- Energy Performance of Buildings data — MHCLG (England & Wales)
- Outcode geocoding & postcode sampling — postcodes.io
Energy Performance of Buildings Data: England and Wales — MHCLG, OGL v3.0