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Hertsmere property data: prices, flood risk & energy ratings

Hertsmere has 29,057 recorded homes. 10.21% of recorded homes with a reading have medium or high mapped surface-water likelihood on the surrounding land.

Average house price

£553,008

Rank 23 of 317 (highest first)

1,099 sales in the 12 months to Jun 2026.

UK HPI · Aug 2026

Annual house price change

+1.50%

Rank 127 of 317 (highest first)

Change from the same month a year earlier.

UK HPI · Aug 2026

Medium / high surface-water map bands around homes

10.21%

Rank 28 of 296 (highest first) · in England

2,125 / 20,805 homes with a reading

Environment Agency · Jun 2026

EPC E–G ratings

13.67%

Rank 194 of 318 (highest first)

2,842 / 20,784 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 Hertsmere
DistrictMedium / highKnown homes
WD613.01%962 / 7,395
WD2310.60%618 / 5,828
EN69.81%454 / 4,628
WD256.51%20 / 307
WD72.05%52 / 2,541

Environment Agency · Jun 2026

Postcode districts with the highest EPC E–G shares

Homes within Hertsmere
DistrictEPC E–GKnown ratings
WD2521.31%65 / 305
EN617.90%828 / 4,626
WD715.51%394 / 2,540
WD2314.32%834 / 5,823
WD69.52%703 / 7,384

EPC · Nov 2026

Checked · Sources