The House CheckCheck before you offer

Cardiff property data: prices, flood risk & energy ratings

Cardiff has 95,143 recorded homes. 6.88% of recorded homes with a reading have medium or high mapped surface-water likelihood on the surrounding land.

Average house price

£272,443

Rank 175 of 317 (highest first)

4,260 sales in the 12 months to Jun 2026.

UK HPI · Aug 2026

Annual house price change

+2.10%

Rank 100 of 317 (highest first)

Change from the same month a year earlier.

UK HPI · Aug 2026

Medium / high surface-water map bands around homes

6.88%

Rank 19 of 22 (highest first) · in Wales

4,402 / 63,971 homes with a reading

Natural Resources Wales · May 2026

EPC E–G ratings

11.70%

Rank 256 of 318 (highest first)

7,578 / 64,784 homes with a rating

EPC · Nov 2026

These figures cover recorded homes with known facts, not every dwelling; mapped land risk is not a history of indoor flooding, old EPCs may have expired, and an area price is not a home valuation.

Postcode districts with the highest surface-water shares

Homes within Cardiff
DistrictMedium / highKnown homes
CF1025.78%987 / 3,829
CF119.51%729 / 7,665
CF236.47%522 / 8,069
CF156.37%168 / 2,639
CF145.53%788 / 14,238
CF34.76%359 / 7,544
CF54.64%512 / 11,032
CF243.76%336 / 8,947

Natural Resources Wales · May 2026

Postcode districts with the highest EPC E–G shares

Homes within Cardiff
DistrictEPC E–GKnown ratings
CF2414.74%1,329 / 9,016
CF1413.32%1,924 / 14,447
CF513.21%1,473 / 11,152
CF1112.64%980 / 7,753
CF2311.52%948 / 8,226
CF1510.38%277 / 2,669
CF36.58%505 / 7,680
CF103.63%139 / 3,832

EPC · Nov 2026

Checked · Sources