Arun property data: prices, flood risk & energy ratings

Arun has 56,312 recorded homes. 2.79% of recorded homes with a reading have medium or high mapped surface-water likelihood on the surrounding land.

Average house price

£320,505

Rank 131 of 317 (highest first)

2,605 sales in the 12 months to Jun 2026.

UK HPI · Aug 2026

Annual house price change

-1.20%

Rank 247 of 317 (highest first)

Change from the same month a year earlier.

UK HPI · Aug 2026

Medium / high surface-water map bands around homes

2.79%

Rank 255 of 296 (highest first) · in England

1,142 / 40,855 homes with a reading

Environment Agency · Jun 2026

EPC E–G ratings

14.01%

Rank 179 of 318 (highest first)

5,718 / 40,816 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 Arun
District	Medium / high	Known homes
BN14	4.50%	19 / 422
BN17	4.33%	341 / 7,872
BN16	3.51%	294 / 8,382
PO20	3.11%	39 / 1,254
BN12	2.78%	43 / 1,545
PO22	2.51%	188 / 7,490
BN18	2.24%	74 / 3,307
PO21	1.32%	138 / 10,475

Environment Agency · Jun 2026

Postcode districts with the highest EPC E–G shares

Homes within Arun
District	EPC E–G	Known ratings
BN14	20.90%	88 / 421
BN12	20.39%	315 / 1,545
BN18	15.25%	504 / 3,304
PO21	14.40%	1,506 / 10,459
PO22	13.57%	1,015 / 7,482
BN17	12.89%	1,014 / 7,867
BN16	12.62%	1,057 / 8,378
PO20	12.30%	154 / 1,252

EPC · Nov 2026

Checked Nov 2026 · Sources

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