Planning application
74 Cumberland Street London SW1V 4NA
Works: Windows or glazing
Permission granted. Work must normally begin within three years of the decision or the permission lapses.
Proposal
Replacement of existing windows with new heritage timber box sash windows
As published by the council, reference 25/08132/FULL
Application record
- Reference
- 25/08132/FULL
- Type
- Full Planning Permission Application
- Status
- Decided
- Decision
- Granted As published: Application Permitted
- Received
- 7 Nov 2025
- Validated
- 1 Apr 2026
- Decided
- 21 Jul 2026
- Ward
- Pimlico South
- Decision by
- Complex Delegated Decision
- Postcode
- SW1V 4NA
Timeline
Dates from the published record
-
7 Nov 2025
Received by Westminster
-
1 Apr 2026
Validated
Checked as complete and ready for consideration.
-
21 Jul 2026
Decision issued: Application Permitted
-
30 Aug 2026
Added to PlanIndex
Who's behind it
Company information only, from the register and Companies House
Retrofit Design Services (UK) Agent, a design practice registered in Shipley
Active · incorporated 2024 · Shipley
55 applications on PlanIndex · across 17 councils · 94% granted
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Plans, drawings, consultee responses and the officer's report
27 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 July 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
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90 Gloucester Street London SW1V 4ED
Installation of replacement existing windows with new timber box sash and timber casement double-glazed windows.
Granted Full applications Windows or glazing 20 docs -
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Amendments to planning permission dated 23 September 2011 (RN:11/06653) for replacement of a section of existing windows with louvred panels on the south elevation in connection with the installation of a new internal plant room at first floor level and installation of a supply and extract duct to the existing first floor flat roof area, namely reduction in extent of external supply and extract duct on first floor flat roof area and penetration of supply and extract duct through louvers revised from second panel from right to first panel from right.
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91 Gloucester Street London SW1V 4EB
88% historically approved · decision due ~27 May
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