Planning appeal decision
Maisonette Flat, 325 Portobello Road, , London, W10 5SY
Planning appeal 3325392 at Maisonette Flat, 325 Portobello Road, , London, W10 5SY (Royal Borough of Kensington and Chelsea) was allowed on 28 February 2024 by Inspector Billings C, by written representations. The main issue, as the Inspector framed it: The effect of the proposed mansard roof extension on the character and appearance of the surrounding area.
alterations to approved application PP/22/02755 to include a roof extension to match neighbouring properties
- Appeal type
- minor · Planning Appeal
- Procedure
- Written Representations
- Development
- residential · Other minor developments
- Inspector
- Billings C
- Postcode
- W10 5SY
Main issues, as the Inspector framed them
- The effect of the proposed mansard roof extension on the character and appearance of the surrounding area
What decided it
The mansard roof extension, as a corner property addition that harmonises with existing similar roof additions in the surrounding area and accords with revised NPPF paragraph 124 supporting such extensions on suitable properties, would not cause harm to character and appearance.
What the Inspector cited
- Development plan policies
- Policy CL1Policy CL2Policy CL8Policy CL11
- National Planning Policy Framework
- Paragraph 124
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
Town Planner Pro holds this letter. The Appeals plan opens it and every other letter we hold, all of them searchable, with the main issues and what decided each case picked out. We do not show letters on the free site because they carry people’s names and addresses.
With an account
What an account adds to this decision


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- Dismissed15 June 20266001948Land to End of Ledbury Mews West, London, W11 2QZ
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- Dismissed19 May 20266003102Kensington High Street, Outside No. 254, London, W8 6ND
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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