Planning appeal decision
10 High East Street, Dorchester, DT1 1HS
Planning appeal 6002339 at 10 High East Street, Dorchester, DT1 1HS (Dorset) was allowed on 4 June 2026 by Inspector David Reed, by written representations. The main issue, as the Inspector framed it: the effect of the proposal on the occupiers of No 10A High East Street in relation to daylight.
the erection of a first-floor extension to provide 1 no. unit of residential accommodation
- Authority
- Dorset
- Appeal type
- Planning
- Procedure
- Written
- Development
- residential
- Inspector
- David Reed
- Postcode
- DT1 1HS
Main issues, as the Inspector framed them
- the effect of the proposal on the occupiers of No 10A High East Street in relation to daylight
- the effect of the proposal on the occupiers of No 5 Icen Mews in relation to outlook, daylight and privacy
- whether the unit of accommodation would provide satisfactory living conditions for its occupiers in relation to bin/recycling storage, cycle/mobility scooter parking and private amenity/garden space/drying areas
What decided it
The significant townscape and conservation improvement for High East Street, together with the additional unit of accommodation in a highly sustainable location, substantially outweighed the limited adverse effects on neighbouring living conditions and the less-than-ideal standard of accommodation when restricted to business staff occupation.
What the Inspector cited
- Development plan policies
- Policy ENV16Policy ENV11
How the Inspector dealt with each one is set out in the app, in order: the development plan, national policy, housing land supply, other considerations and the planning balance, beside the letter.
See how each was appliedThe decision letter
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With an account
What an account adds to this decision


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The authority’s record since 2016 · every decision in 2026
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- Allowed21 October 20266010895Land off Dukes Close, Martinstown, DT2 9TU
The main issues, what decided it, the planning balance and the policies and judgments listed as cited are read from the published letter by Town Planner Pro and are our summary, not the Inspector’s words; the letter itself is the record. Contains public sector information licensed under the Open Government Licence v3.0. Research, not advice.
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