Planning appeal decision
5 Seymour Walk, London, SW10 9NE
Planning appeal 3344775 at 5 Seymour Walk, London, SW10 9NE (Royal Borough of Kensington and Chelsea) was dismissed on 27 June 2024 by Inspector Greenwood L, by written representations. The main issue, as the Inspector framed it: Whether the proposal would preserve or enhance the character or appearance of The Boltons Conservation Area.
demolition of a 2 storey 1960’s rear kitchen extension and replacement with a 2 storey extension including replacement roof terrace above; removal of an existing conservatory link structure and replacement with a new lightweight contemporary single storey glazed link set back from the existing glass link ; dismantling and replacement of the building at 5a Seymour Walk with a single storey plus mansard building to remain as ancillary residential accommodation (Use Class C3); removal of 1x lightwell; associated landscape improvements and planting; creation of roof lights; and installation of plant and solar panels
- Appeal type
- householder · Householder (HAS)
- Procedure
- Written Representations
- Development
- residential · Householder developments
- Inspector
- Greenwood L
- Postcode
- SW10 9NE
Main issues, as the Inspector framed them
- Whether the proposal would preserve or enhance the character or appearance of The Boltons Conservation Area
What decided it
The replacement building at 5a, with its large scale and flamboyant mansard design, would harm the character and appearance of the conservation area, and the public benefits of the proposal do not outweigh this heritage harm.
What the Inspector cited
- Development plan policies
- CL1CL2CL3CL6CL9CL11
- National Planning Policy Framework
- Paragraph 205Paragraph 208
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 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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