Planning appeal decision
Penthouse, Tenby Mansions , Nottingham Street, London, W1U 5ER
Planning appeal 3313163 at Penthouse, Tenby Mansions , Nottingham Street, London, W1U 5ER (City of Westminster Council) was dismissed on 2 May 2023 by Inspector Burnham T, by written representations. The main issue, as the Inspector framed it: The effect of the proposal on the character and appearance of the Harley Street Conservation Area.
creation of roof terrace with glazed stair enclosure
- Authority
- City of Westminster Council
- Appeal type
- minor · Planning Appeal
- Procedure
- Written Representations
- Development
- residential · Minor Dwellings
- Inspector
- Burnham T
- Postcode
- W1U 5ER
Main issues, as the Inspector framed them
- The effect of the proposal on the character and appearance of the Harley Street Conservation Area
What decided it
The glazed stair enclosure would introduce a prominent modern feature that would detract from the character and appearance of the Harley Street Conservation Area, and the public benefits did not outweigh this less than substantial harm.
What the Inspector cited
- Development plan policies
- Policy 38Policy 39Policy 40
- National Planning Policy Framework
- Paragraph 196
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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