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West Northamptonshire property data: prices, flood risk & energy ratings

West Northamptonshire has 120,394 recorded homes. 3.96% of recorded homes with a reading have medium or high mapped surface-water likelihood on the surrounding land.

Average house price

£289,726

Rank 159 of 317 (highest first)

5,729 sales in the 12 months to Jun 2026.

UK HPI · Aug 2026

Annual house price change

+0.20%

Rank 185 of 317 (highest first)

Change from the same month a year earlier.

UK HPI · Aug 2026

Medium / high surface-water map bands around homes

3.96%

Rank 176 of 296 (highest first) · in England

3,630 / 91,613 homes with a reading

Environment Agency · Jun 2026

EPC E–G ratings

12.81%

Rank 217 of 318 (highest first)

11,728 / 91,553 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 West Northamptonshire
DistrictMedium / highKnown homes
NN16.71%503 / 7,500
NN116.41%582 / 9,078
NN75.77%329 / 5,698
NN54.54%466 / 10,260
LE164.46%16 / 359
NN124.21%277 / 6,580
MK193.63%58 / 1,598
NN133.32%166 / 5,006

Environment Agency · Jun 2026

Postcode districts with the highest EPC E–G shares

Homes within West Northamptonshire
DistrictEPC E–GKnown ratings
CV2344.81%259 / 578
LE1644.57%160 / 359
OX1725.02%505 / 2,018
NN618.62%1,142 / 6,132
NN116.08%1,205 / 7,496
NN715.98%910 / 5,693
NN1214.43%949 / 6,577
NN214.37%1,335 / 9,288

EPC · Nov 2026

Checked · Sources