Planning appeal decision
15 Pyrmont Grove, London, SE27 0BG
Planning appeal 3367488 at 15 Pyrmont Grove, London, SE27 0BG (London Borough of Lambeth) was allowed on 24 September 2025 by Inspector Wilson S, by written representations. The main issue, as the Inspector framed it: The effect of the proposal on the character and appearance of the host dwelling and the surrounding area.
loft conversion with rear dormer on the main roof and outrigger, raising the ridge by 400mm
- Authority
- London Borough of Lambeth
- Appeal type
- householder · Householder (HAS)
- Procedure
- Written Representations
- Development
- residential · Householder developments
- Inspector
- Wilson S
- Postcode
- SE27 0BG
Main issues, as the Inspector framed them
- The effect of the proposal on the character and appearance of the host dwelling and the surrounding area
What decided it
The proposal's consistency with existing roof extensions at neighbouring properties and its respect for the local architectural styles of the terrace row outweighed the conflict with the Design Guide.
What the Inspector cited
- Development plan policies
- Policy Q5Policy Q11
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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