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Carmarthenshire property data: prices, flood risk & energy ratings

Carmarthenshire has 46,979 recorded homes. 10.38% of recorded homes with a reading have medium or high mapped surface-water likelihood on the surrounding land.

Average house price

£195,263

Rank 276 of 317 (highest first)

2,298 sales in the 12 months to Jun 2026.

UK HPI · Aug 2026

Annual house price change

+2.70%

Rank 78 of 317 (highest first)

Change from the same month a year earlier.

UK HPI · Aug 2026

Medium / high surface-water map bands around homes

10.38%

Rank 11 of 22 (highest first) · in Wales

3,278 / 31,593 homes with a reading

Natural Resources Wales · May 2026

EPC E–G ratings

28.22%

Rank 6 of 318 (highest first)

9,140 / 32,387 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 Carmarthenshire
DistrictMedium / highKnown homes
SA4818.93%32 / 169
SA916.38%19 / 116
SA1815.87%727 / 4,582
SA1713.62%248 / 1,821
SA2011.91%56 / 470
SA1511.26%789 / 7,008
SA3210.86%93 / 856
SA3310.21%166 / 1,626

Natural Resources Wales · May 2026

Postcode districts with the highest EPC E–G shares

Homes within Carmarthenshire
DistrictEPC E–GKnown ratings
SA964.10%75 / 117
SA4063.39%161 / 254
SA4459.06%251 / 425
SA3856.79%184 / 324
SA3955.07%163 / 296
SA3249.48%429 / 867
SA1946.21%641 / 1,387
SA3342.54%698 / 1,641

EPC · Nov 2026

Checked · Sources