Planning appeal decision
21 Alexander Street, London, W2 5NT
Planning appeal 3321076 at 21 Alexander Street, London, W2 5NT (City of Westminster Council) was dismissed on 8 December 2023 by Inspector Reid L, by written representations. The main issue, as the Inspector framed it: The effect of the proposal on the appearance of the building as a non-designated heritage asset, and whether it preserves or enhances the character and appearance of Westbourne Conservation Area.
rear roof terrace over rear outrigger and access door from the second floor
- Authority
- City of Westminster Council
- Appeal type
- householder · Householder (HAS)
- Procedure
- Written Representations
- Development
- residential · Householder developments
- Inspector
- Reid L
- Postcode
- W2 5NT
Main issues, as the Inspector framed them
- The effect of the proposal on the appearance of the building as a non-designated heritage asset, and whether it preserves or enhances the character and appearance of Westbourne Conservation Area
What decided it
The proposal causes less than substantial but considerable harm to the significance of the non-designated heritage asset and the character and appearance of the conservation area, with no public benefits identified to outweigh this harm.
What the Inspector cited
- Development plan policies
- Policy 38Policy 39Policy 40
- National Planning Policy Framework
- Paragraph 202Paragraph 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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