Planning appeal decision
10 Chapel Street , London, SW1X 7BY
Planning appeal 3327690 at 10 Chapel Street , London, SW1X 7BY (City of Westminster Council) was dismissed on 3 November 2023 by Inspector Callister V, 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 local area, with reference to Belgravia Conservation Area.
a new basement level, single storey rear extension at lower ground level, single storey rear extension at ground level, alterations to openings, new raised garden area to rear
- Authority
- City of Westminster Council
- Appeal type
- householder · Householder (HAS)
- Procedure
- Written Representations
- Development
- residential · Householder developments
- Inspector
- Callister V
- Postcode
- SW1X 7BY
Main issues, as the Inspector framed them
- The effect of the proposal on the character and appearance of the host dwelling and local area, with reference to Belgravia Conservation Area
- The effect of the proposal on undeveloped land, with reference to soil depth
- The effect of the proposal on the living conditions of neighbouring residential occupiers, with reference to outlook and privacy
What decided it
The substantial harm to the character and appearance of the appeal dwelling as a non-designated heritage asset, combined with significant harm to neighbouring living conditions and loss of sustainable planting ground, substantially outweighed the private benefits of the proposal.
What the Inspector cited
- Development plan policies
- Policy 7Policy 33Policy 38Policy 39Policy 40Policy 45Policy D3Policy HC1
- National Planning Policy Framework
- Paragraph 203
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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- Allowed21 October 2026601140517 Bruton Street, London, W1J 6QB
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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