®Planning appeal decision
6 Upper Wimpole Street, (Also Includes 6 Devonshire Mews South), London, W1G 6LG
Planning appeal 3371070 at 6 Upper Wimpole Street, (Also Includes 6 Devonshire Mews South), London, W1G 6LG (City of Westminster Council) was allowed on 22 December 2025 by Inspector Veevers A, by written representations. The main issue, as the Inspector framed it: whether the proposed roof extension at 6 Upper Wimpole Street would preserve the Grade II listed building, 1-6 Upper Wimpole Street W1, or any features of special architectural or historic interest that it possesses.
extensions and internal and external alterations to the existing property to facilitate the use as a single family dwelling, including demolition and rebuilding of the existing rear infill extension and mews house behind a retained facade, and the erection of a mansard roof extension at 6 Upper Wimpole Street and extension of the basement
- Authority
- City of Westminster Council
- Appeal type
- householder · Planning Appeal
- Procedure
- Written Representations
- Development
- residential · Householder developments
- Inspector
- Veevers A
- Postcode
- W1G 6LG
Main issues, as the Inspector framed them
- whether the proposed roof extension at 6 Upper Wimpole Street would preserve the Grade II listed building, 1-6 Upper Wimpole Street W1, or any features of special architectural or historic interest that it possesses
- whether the proposed roof extension would preserve or enhance the character or appearance of the Harley Street Conservation Area
What decided it
The fallback position under the 1990 permissions, which would result in greater harm to the listed building and conservation area than the appeal proposals, constituted a material consideration of significant weight sufficient to justify the permitting of development that failed to accord with the development plan.
What the Inspector cited
- Development plan policies
- Policy 38Policy 39Policy 40Policy 42Policy 44Policy 45Policy 43
- National Planning Policy Framework
- Paragraph 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 appliedThe decision letter
Town Planner Pro holds this letter. The Appeals plan opens it and every other letter we hold, all of them searchable, with the main issues and what decided each case picked out. We do not show letters on the free site because they carry people’s names and addresses.
With an account
What an account adds to this decision
More decisions in City of Westminster Council
The authority’s record since 2016 · every decision in 2025
- Dismissed28 October 202660123391 Bear Street, London, WC2H 7DZ
- Dismissed28 October 2026600992025 Monmouth Road, London, W2 4UT
- Dismissed21 October 20266014604South Terrace, Third and Fourth Floor, 4 Matthew Parker Street, London, SW1H 9NP
- Dismissed21 October 20266012002Flat B, 9 Durham Terrace, London, W2 5PB
- 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.