Dorset property data: prices, flood risk & energy ratings

Dorset has 120,954 recorded homes. 3.23% of recorded homes with a reading have medium or high mapped surface-water likelihood on the surrounding land.

Average house price

£328,589

Rank 123 of 317 (highest first)

5,822 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

3.23%

Rank 239 of 296 (highest first) · in England

2,752 / 85,224 homes with a reading

Environment Agency · Jun 2026

EPC E–G ratings

16.32%

Rank 110 of 318 (highest first)

13,893 / 85,122 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 Dorset
District	Medium / high	Known homes
DT4	7.54%	686 / 9,099
SP8	5.35%	197 / 3,683
DT3	5.26%	309 / 5,878
DT8	3.93%	52 / 1,323
DT5	3.82%	119 / 3,112
BH31	3.27%	116 / 3,550
DT1	3.05%	169 / 5,537
SP6	3.04%	20 / 657

Environment Agency · Jun 2026

Postcode districts with the highest EPC E–G shares

Homes within Dorset
District	EPC E–G	Known ratings
SP5	39.03%	105 / 269
DT8	31.26%	412 / 1,318
DT2	29.83%	1,411 / 4,730
DT9	25.31%	902 / 3,564
DT6	22.73%	1,170 / 5,147
DT10	21.29%	539 / 2,532
DT7	21.08%	242 / 1,148
BH19	19.88%	650 / 3,269

EPC · Nov 2026

Checked Nov 2026 · Sources

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