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Planning appeal decision

Dismissed15 July 20266002538

1 Cavendish Square, London, W1G 0LA

Planning appeal 6002538 at 1 Cavendish Square, London, W1G 0LA (City of Westminster Council) was dismissed on 15 July 2026 by Inspector Patrick Whelan, by written representations. The main issue, as the Inspector framed it: Whether the proposal would preserve the grade II listed building and any of the features of special architectural or historic interest that it possesses.

the installation of three retractable fabric awnings on the Margaret Street façade

Authority
City of Westminster Council
Appeal type
Planning
Procedure
Written
Development
other
Inspector
Patrick Whelan
Postcode
W1G 0LA

Main issues, as the Inspector framed them

  • Whether the proposal would preserve the grade II listed building and any of the features of special architectural or historic interest that it possesses
  • Whether it would preserve or enhance the character or appearance of the Harley Street Conservation Area

What decided it

The proposal would fail to preserve the special architectural interest of the listed building and the appearance of the conservation area, and the identified harm could not be justified by the limited public benefits offered.

What the Inspector cited

Development plan policies
City Plan policy 42City Plan policy 44City Plan policy 45London Plan policy HC1
National Planning Policy Framework
Paragraph 210Paragraph 212Paragraph 213Paragraph 215

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 applied

The decision letter

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The authority’s record since 2016 · every decision in 2026

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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.

In the app this decision sits on the map beside every appeal around it, with its letter to read and the main issues, policies and judgments cited picked out.