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Merthyr Tydfil property data: prices, flood risk & energy ratings

Merthyr Tydfil has 13,604 recorded homes. 18.57% of recorded homes with a reading have medium or high mapped surface-water likelihood on the surrounding land.

Average house price

£148,656

Rank 306 of 317 (highest first)

562 sales in the 12 months to Jun 2026.

UK HPI · Aug 2026

Annual house price change

-1.00%

Rank 241 of 317 (highest first)

Change from the same month a year earlier.

UK HPI · Aug 2026

Medium / high surface-water map bands around homes

18.57%

Rank 3 of 22 (highest first) · in Wales

1,720 / 9,263 homes with a reading

Natural Resources Wales · May 2026

EPC E–G ratings

16.00%

Rank 121 of 318 (highest first)

1,525 / 9,531 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 Merthyr Tydfil
DistrictMedium / highKnown homes
CF4824.23%1,015 / 4,189
CF4718.17%577 / 3,175
CF466.74%128 / 1,899

Natural Resources Wales · May 2026

Postcode districts with the highest EPC E–G shares

Homes within Merthyr Tydfil
DistrictEPC E–GKnown ratings
CF4717.62%582 / 3,303
CF4815.37%662 / 4,307
CF4614.63%281 / 1,921

EPC · Nov 2026

Checked · Sources