Planning appeal decision
10 Carson Road, London, SE21 8HU
Planning appeal 3312088 at 10 Carson Road, London, SE21 8HU (London Borough of Lambeth) was dismissed on 7 August 2023 by Inspector Willmer P, by written representations. The main issue, as the Inspector framed it: The effect of the proposed development on the architectural integrity of the host property and whether it would serve to preserve or enhance the character or appearance of the conservation area.
single storey rear extension and new roof including a front and rear dormer window
- Authority
- London Borough of Lambeth
- Appeal type
- householder · Householder (HAS)
- Procedure
- Written Representations
- Development
- residential · Householder developments
- Inspector
- Willmer P
- Postcode
- SE21 8HU
Main issues, as the Inspector framed them
- The effect of the proposed development on the architectural integrity of the host property and whether it would serve to preserve or enhance the character or appearance of the conservation area
What decided it
The cumulative harm to the architectural integrity of the host property and the character and appearance of the conservation area from the rear extension, dormers, and window alterations outweighed the limited public benefits of additional accommodation.
What the Inspector cited
- Development plan policies
- Policy Q5Policy Q11Policy Q22
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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What an account adds to this decision


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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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