Planning application
8 Oldbury Place London W1U 5PG
Works: Extension Loft or dormer Small domestic
Read from the description, not a valuation. How we read the register
Permission granted. Work must normally begin within three years of the decision or the permission lapses.
Proposal
Construction of a new mansard extension to the existing mews house together with the introduction of a new internal lightwell to basement level and single storey ground floor rear extension.
As published by the council, reference 25/07559/FULL
Application record
- Reference
- 25/07559/FULL
- Type
- Full Planning Permission Application
- Status
- Decided
- Decision
- Granted As published: Application Permitted
- Received
- 20 Oct 2025
- Validated
- 21 Oct 2025
- Decided
- 20 Feb 2026
- Ward
- Marylebone
- Decision by
- Delegated Decision
- Postcode
- W1U 5PG
Site history
Applications at this address on the Westminster register
This site has had 2 applications since 2022: 2 approved, 0 refused.
-
22/01428/FULL Granted
8 Oldbury Place London W1U 5PG
Construction of a new mansard extension to the existing mews house together with the introduction of a new internal lightwell to basement level and single storey ground floor rear extension.
Timeline
Dates from the published record
-
20 Oct 2025
Received by Westminster
-
21 Oct 2025
Validated
Checked as complete and ready for consideration.
-
20 Feb 2026
Decision issued: Application Permitted
-
21 Jul 2026
Added to PlanIndex
Who's behind it
Company information only, from the register and Companies House
Syte Architects Ltd Agent, an architecture practice registered in London
Active · incorporated 2002 · London
15 applications on PlanIndex · across 4 councils · 87% granted
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See their track recordDocuments
Plans, drawings, consultee responses and the officer's report
32 documents on file for this application
A planning file usually holds the application form, drawings and site plans, consultee responses, the officer's report and the decision notice.
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Open the documentsWhat this grant of permission means
Westminster granted permission on 20 February 2026, subject to any conditions on the decision notice. Work must normally begin within three years or the permission lapses. More in our guide to what happens after a planning decision.
About full applications
A full application seeks permission for a complete, detailed proposal in one go, with siting, design, access and landscaping all fixed at this stage. More in our guide to planning application types.
Nearby applications
Within 0.3 miles
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8 Oldbury Place London W1U 5PG
Construction of a new mansard extension to the existing mews house together with the introduction of a new internal lightwell to basement level and single storey ground floor rear extension.
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The Princess Grace Hospital 42 - 52 Nottingham Place London W1U 5NY
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