Planning appeal decision
34, Westmoreland Terrace, London, SW1V 4AL
Planning appeal 3289890 at 34, Westmoreland Terrace, London, SW1V 4AL (City of Westminster Council) was dismissed on 24 November 2022 by Inspector Parsons J, by written representations. The main issue, as the Inspector framed it: Whether the proposal would preserve or enhance the character or appearance of the Pimlico Conservation Area.
a mansard roof extension, the installation of replacement windows and door to front elevation at basement, second and third floors, the widening of the existing front lightwell and the provision of a rear patio door at basement level
- Authority
- City of Westminster Council
- Appeal type
- householder · Planning Appeal
- Procedure
- Written Representations
- Development
- residential · Householder developments
- Inspector
- Parsons J
- Postcode
- SW1V 4AL
Main issues, as the Inspector framed them
- Whether the proposal would preserve or enhance the character or appearance of the Pimlico Conservation Area
- The living conditions of the occupiers of the dwellings on Sussex Street and Westmoreland Terrace, having regard to light, outlook and privacy
What decided it
The harm to the character and appearance of the Pimlico Conservation Area caused by the poorly designed rear mansard extension outweighed the limited public benefits of the proposal.
What the Inspector cited
- Development plan policies
- Policy 38Policy 39Policy 40Policy 7Westminster City Plan 2019-2040
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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