Planning application
132 Seymour Place London W1H 1NS
Works: New dwelling Extension Demolition
Permission granted. Work must normally begin within three years of the decision or the permission lapses.
Proposal
Demolition of existing first floor rear extension and construction of a proposed full width first floor and part width second to third floor rear extension with rear second floor roof terrace, to extend existing flats (ClassC3).
As published by the council, reference 25/05662/FULL
Application record
- Reference
- 25/05662/FULL
- Type
- Full Planning Permission Application
- Status
- Decided
- Decision
- Granted As published: Application Permitted
- Received
- 12 Aug 2025
- Validated
- 26 Aug 2025
- Decided
- 21 Oct 2025
- Ward
- Marylebone
- Decision by
- Delegated Decision
- Postcode
- W1H 1NS
Timeline
Dates from the published record
-
12 Aug 2025
Received by Westminster
-
26 Aug 2025
Validated
Checked as complete and ready for consideration.
-
21 Oct 2025
Decision issued: Application Permitted
-
21 Jul 2026
Added to PlanIndex
Who's behind it
Company information only, from the register and Companies House
Steven Pollock Architects Agent, an architecture practice
5 applications on PlanIndex · across 3 councils
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See their track recordDocuments
Plans, drawings, consultee responses and the officer's report
30 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 21 October 2025, 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.
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