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Neath Port Talbot: house prices and energy ratings

What homes sell for per m², how energy efficient they are, and what extending has added to sale prices, compared with the rest of Wales.

Neath Port Talbot is highlighted on the map. Our planning decision figures cover England only: the Welsh Government publishes planning statistics for Welsh councils. Compare areas on the map

Property prices and energy performance in Neath Port Talbot

Homes sold July 2023 to June 2026, matched to the floor area and energy rating on their Energy Performance Certificate.

Median price per m²

£1,839

4,960 sales

26% below Wales

Homes sold rated EPC A to C

37.0%

Median energy score 66

5.9 points below Wales

Value added by extending, per m²

£765

13.3% on the sale price

35% below Wales

Energy upgrade, no extension

+12.6%

Sale-price uplift when the energy score rose 5+ points

5.1 points above Wales

The median home sold in Neath Port Talbot was £160,000 for 88 m² of floor space. Price per m² is up 57% since 2015 (£1,209 to £1,894 per m², 2025). Across all 45,452 homes with a certificate, 47.7% are rated A to C on their latest one.

169 houses here were extended between two sales (second sale 2016 to 2026), adding a median 26 m². They sold for a median 13.3% more than similar unextended houses, £765 for each m² added. Will an extension pay for itself here?

Medians from HM Land Registry sale prices and MHCLG Energy Performance Certificates; groups under 30 sales or 50 extended houses are not shown. These describe past sales across many homes, not a valuation of any one. How these are worked out

Planning an extension?