The House CheckCheck before you offer

Portsmouth property data: prices, flood risk & energy ratings

Portsmouth has 55,596 recorded homes. 4.30% of recorded homes with a reading have medium or high mapped surface-water likelihood on the surrounding land.

Average house price

£245,954

Rank 201 of 317 (highest first)

2,318 sales in the 12 months to Jun 2026.

UK HPI · Aug 2026

Annual house price change

+0.10%

Rank 190 of 317 (highest first)

Change from the same month a year earlier.

UK HPI · Aug 2026

Medium / high surface-water map bands around homes

4.30%

Rank 146 of 296 (highest first) · in England

1,815 / 42,206 homes with a reading

Environment Agency · Jun 2026

EPC E–G ratings

12.25%

Rank 238 of 318 (highest first)

5,166 / 42,180 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 Portsmouth
DistrictMedium / highKnown homes
PO19.81%526 / 5,364
PO56.06%355 / 5,859
PO44.14%429 / 10,357
PO23.09%263 / 8,516
PO32.53%114 / 4,506
PO61.67%126 / 7,553

Environment Agency · Jun 2026

Postcode districts with the highest EPC E–G shares

Homes within Portsmouth
DistrictEPC E–GKnown ratings
PO614.88%1,123 / 7,545
PO514.25%834 / 5,852
PO312.89%581 / 4,506
PO411.92%1,234 / 10,355
PO211.70%996 / 8,510
PO17.31%392 / 5,361

EPC · Nov 2026

Checked · Sources