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Caerphilly property data: prices, flood risk & energy ratings

Caerphilly has 42,653 recorded homes. 10.98% of recorded homes with a reading have medium or high mapped surface-water likelihood on the surrounding land.

Average house price

£198,545

Rank 274 of 317 (highest first)

2,046 sales in the 12 months to Jun 2026.

UK HPI · Aug 2026

Annual house price change

+4.40%

Rank 35 of 317 (highest first)

Change from the same month a year earlier.

UK HPI · Aug 2026

Medium / high surface-water map bands around homes

10.98%

Rank 9 of 22 (highest first) · in Wales

2,909 / 26,501 homes with a reading

Natural Resources Wales · May 2026

EPC E–G ratings

15.76%

Rank 127 of 318 (highest first)

4,274 / 27,126 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 Caerphilly
DistrictMedium / highKnown homes
NP2249.45%270 / 546
CF8215.33%506 / 3,301
CF4614.45%102 / 706
NP1114.02%655 / 4,671
CF8311.37%1,027 / 9,032
CF814.99%117 / 2,345
NP124.11%205 / 4,985
NP243.11%25 / 804

Natural Resources Wales · May 2026

Postcode districts with the highest EPC E–G shares

Homes within Caerphilly
DistrictEPC E–GKnown ratings
NP2422.44%186 / 829
CF8120.03%479 / 2,392
NP1117.83%855 / 4,794
CF4616.43%117 / 712
NP1215.47%796 / 5,145
NP2215.03%86 / 572
CF8313.51%1,246 / 9,220
CF8213.15%441 / 3,353

EPC · Nov 2026

Checked · Sources