Planning application
4 Chester Street London SW1X 7BB
Works: Extension Loft or dormer Windows or glazing
Permission granted. Work must normally begin within three years of the decision or the permission lapses.
Proposal
Variation of Condition 1 of planning permission dated 31 Janurary 2017 (RN: 16/11228/FULL) for the: Construction of a full width extension at rear lower ground and half width extension at upper ground floor level ; replacement of timber steps to front lightwell with metal steps, new door to front lightwell and lowering part of the vaults floor; replacement of existing rooflight with larger frameless double-glazed rooflight and one new rooflight at main roof level; replacement of doors at rear upper ground floor with a new window; and external renovation and repair works. Namely, to allow the removal of low wall to the rear terrace at first-floor level and replace with black painted railings.
As published by the council, reference 20/06906/FULL
Application record
- Reference
- 20/06906/FULL
- Type
- Full Planning Permission Application
- Status
- Decided
- Decision
- Application Permitted
- Received
- 30 Oct 2020
- Validated
- 30 Oct 2020
- Decided
- 3 Dec 2020
- Ward
- Knightsbridge And Belgravia
- Decision by
- Delegated Decision
- Postcode
- SW1X 7BB
Timeline
Dates from the published record
-
30 Oct 2020
Received by Westminster
-
3 Dec 2020
Decision issued: Application Permitted
-
4 Sep 2026
Added to PlanIndex
Who's behind it
Company information only, from the register and Companies House
Agent on file, an architecture practice registered in Bristol
11 applications on PlanIndex · across 3 councils · 100% granted
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See who's behind itDocuments
Plans, drawings, consultee responses and the officer's report
13 documents on file for this application
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Open the documentsWhat this grant of permission means
Westminster granted permission on 3 December 2020, 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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12 Chester Street London SW1X 7BB
90% historically approved · decision due ~26 Jun
Replacement of existing rear extension at first, second and third with a new rear extension (first to third floor level) with flat roof. Erection of an extension at rear ground floor level. Removal of the existing kitchen rooflight and extension of existing terrace at first floor level. Replacement of existing windows and French doors with new; and alterations to French door width at rear first floor level.
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87% historically approved · decision due ~4 May
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Amendments to planning permission dated 24 July 2025 (25/01676/FULL) for: Erection of an additional storey at main roof level and a rear extension at lower ground floor level with terrace over namely; to allow alterations to floor plans; reduction in number of roof lights in rear extension, from two to one; maintenance access hatch in main roof (Linked with 26/04885/LBC)
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