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Isle of Anglesey property data: prices, flood risk & energy ratings

Isle of Anglesey has 18,759 recorded homes. 7.69% of recorded homes with a reading have medium or high mapped surface-water likelihood on the surrounding land.

Average house price

£236,308

Rank 212 of 317 (highest first)

774 sales in the 12 months to Jun 2026.

UK HPI · Aug 2026

Annual house price change

-0.40%

Rank 221 of 317 (highest first)

Change from the same month a year earlier.

UK HPI · Aug 2026

Medium / high surface-water map bands around homes

7.69%

Rank 18 of 22 (highest first) · in Wales

901 / 11,716 homes with a reading

Natural Resources Wales · May 2026

EPC E–G ratings

41.57%

Rank 4 of 318 (highest first)

4,933 / 11,867 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 Isle of Anglesey
DistrictMedium / highKnown homes
LL5821.33%144 / 675
LL7117.21%42 / 244
LL5915.26%157 / 1,029
LL7515.09%40 / 265
LL6910.24%13 / 127
LL657.28%290 / 3,984
LL607.11%32 / 450
LL616.93%63 / 909

Natural Resources Wales · May 2026

Postcode districts with the highest EPC E–G shares

Homes within Isle of Anglesey
DistrictEPC E–GKnown ratings
LL6366.49%123 / 185
LL6764.29%207 / 322
LL7463.85%445 / 697
LL7563.43%170 / 268
LL7263.40%123 / 194
LL6962.02%80 / 129
LL6459.75%190 / 318
LL6257.87%125 / 216

EPC · Nov 2026

Checked · Sources