The House CheckCheck before you offer

Windsor and Maidenhead property data: prices, flood risk & energy ratings

Windsor and Maidenhead has 42,220 recorded homes. 4.91% of recorded homes with a reading have medium or high mapped surface-water likelihood on the surrounding land.

Average house price

£583,688

Rank 18 of 317 (highest first)

1,748 sales in the 12 months to Jun 2026.

UK HPI · Aug 2026

Annual house price change

-0.20%

Rank 210 of 317 (highest first)

Change from the same month a year earlier.

UK HPI · Aug 2026

Medium / high surface-water map bands around homes

4.91%

Rank 116 of 296 (highest first) · in England

1,526 / 31,094 homes with a reading

Environment Agency · Jun 2026

EPC E–G ratings

16.69%

Rank 97 of 318 (highest first)

5,187 / 31,072 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 Windsor and Maidenhead
DistrictMedium / highKnown homes
SL411.61%995 / 8,567
SL62.63%421 / 16,028
SL52.19%91 / 4,146
RG101.53%4 / 262
SL70.85%1 / 117
TW190.66%5 / 762
SL30.44%5 / 1,134

Environment Agency · Jun 2026

Postcode districts with the highest EPC E–G shares

Homes within Windsor and Maidenhead
DistrictEPC E–GKnown ratings
RG1053.44%140 / 262
SL751.28%60 / 117
SL322.75%258 / 1,134
TW1921.00%160 / 762
SL417.31%1,483 / 8,566
SL615.69%2,513 / 16,017
SL513.35%552 / 4,136

EPC · Nov 2026

Checked · Sources