Planning appeal decision
83A Chester Square, London, SW1W 9HJ
Planning appeal 3328448 at 83A Chester Square, London, SW1W 9HJ (City of Westminster Council) was dismissed on 24 November 2023 by Inspector Ashworth 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 setting of the neighbouring listed building Nos 84-88 Chester Square and whether the proposal would preserve or enhance the character or appearance of the Belgravia Conservation Area.
erection of mansard roof extension with terrace and associated works
- Authority
- City of Westminster Council
- Appeal type
- householder · Householder (HAS)
- Procedure
- Written Representations
- Development
- residential · Householder developments
- Inspector
- Ashworth S
- Postcode
- SW1W 9HJ
Main issues, as the Inspector framed them
- The effect of the proposal on the character and appearance of the host dwelling and the setting of the neighbouring listed building Nos 84-88 Chester Square and whether the proposal would preserve or enhance the character or appearance of the Belgravia Conservation Area
What decided it
The proposal would cause less than substantial harm to the significance of designated heritage assets (the listed building and conservation area) which was not outweighed by the limited public benefits of providing an additional bedroom.
What the Inspector cited
- Development plan policies
- Policy 38Policy 39Policy 40Policy 10
- National Planning Policy Framework
- Paragraph 12
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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