Planning appeal decision
9 Blenheim Grove, London, SE15 4QS
Planning appeal 3293921 at 9 Blenheim Grove, London, SE15 4QS (London Borough of Southwark) was allowed on 14 March 2024 by Inspector Cryan M, by written representations. The main issue, as the Inspector framed it: The effect of the proposal on the significance of the Grade II Listed building and whether it would preserve or enhance the character or appearance of the Holly Grove Conservation Area.
the construction of a ground floor single storey rear extension with roof terrace above at upper ground floor level; new front access and entrance door to lower ground floor level and alterations to outbuilding
- Authority
- London Borough of Southwark
- Appeal type
- minor · Planning Appeal
- Procedure
- Written Representations
- Development
- residential · Other minor developments
- Inspector
- Cryan M
- Postcode
- SE15 4QS
Main issues, as the Inspector framed them
- The effect of the proposal on the significance of the Grade II Listed building and whether it would preserve or enhance the character or appearance of the Holly Grove Conservation Area
- Whether the development would lead to the provision of a self-contained residential unit
What decided it
The proposed works preserve the character and appearance of the Holly Grove Conservation Area and do not harm the significance of the Grade II listed building, with the outbuilding extension materials issue addressable by condition.
What the Inspector cited
- Development plan policies
- Policy P13Policy 12Policy P19Policy P20
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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