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6 Buckingham Mews London SW1E 6NR

23/04870/FULLFull Planning Permission ApplicationApproved
Full

Approved on 6 September 2023

Council decision: Application PermittedDelegated (officer decision)

Approximate site (title boundary)
Boundary © HM Land Registry, © Ordnance Survey · details

This information is subject to Crown copyright and database rights 2026 and is reproduced with the permission of HM Land Registry. The polygons (including the associated geometry, namely x, y co-ordinates) are subject to Crown copyright and database rights 2026 Ordnance Survey AC0000851063. Conditions of use.

Proposal

Variation of Condition 1 of planning permission dated 12 December 2022 (RN: 22/03987/FULL) for conversion of ground floor garage to habitable accommodation and erection of mansard extension for use in connection with the existing first floor flat (Unit 8); and extension to the rear first floor to existing flat, Unit 2 [Site includes rear of 25-27 Catherine Place]; namely, to extend the width of the flat roof at Unit 2 to the parapet edge, aligning the roof line.

Received
14 July 2023
Decision level
Delegated (officer decision)
Ward
St James's
  1. Received14 Jul
  2. Validated14 Jul
  3. Consult.
  4. Target8 Sep
  5. Decided6 Sep

Decided in 54 days (council typically 49)

About this application

This is a full planning application for a garage at 6 Buckingham Mews London SW1E 6NR. Westminster has handled 4,484 applications of this type. This one was decided in 54 days, 5 days longer than Westminster's typical decision time. The site is in the Birdcage Walk conservation area, with 11 listed buildings nearby. There have been 3 other applications at this address. In the past year there have been 478 applications across St James's. We hold 526 applications in total for the SW1E postcode area.

86% of full applications at City of Westminster were approved. Across all application types, the council typically decides in about 7 weeks (median).

Based on decided applications received in the last 3 years.Planning something similar? See what gets approved on your street

Application details

Postcode
SW1E 6NR
Application type
Full Planning Permission Application
Scale / size
Small

Planning application dates

Date validated
14 July 2023
Consultation expiry
23 August 2023
Target decision date
8 September 2023

Planning decision

Statutory period
56 days

Publicity

Last advertised
2 August 2023
Advertisement expiry
23 August 2023
Site notice start
21 July 2023
Site notice end
11 August 2023

Additional information

Planning Portal ID
PP-12315836
Comments
0
Documents
19

Site constraints

Checking the site
2/3
Council recordsAppealsFlood risk

Designations that overlap or adjoin the site outline.

  • Flood zone 3: High probability (rivers and sea)
  • Conservation area: Birdcage Walk
  • Listed building: Grade II: 14-20, Stafford Place Sw1On or next to this site
  • Article 4 direction: Article 4 Basement Development Permitted Rights Removed
  • Brownfield land register: 19 - 21 Catherine Place London SW1E 6DXRegister site at or near this address · +1 more
Also checked, none recorded (20)

flood storage areas, tree preservation orders, green belt, scheduled monuments, World Heritage Sites, World Heritage Site buffer zones, registered parks and gardens, registered battlefields, Heritage at Risk entries, nutrient neutrality catchments, national parks, National Landscapes, SSSIs, Special Areas of Conservation, Special Protection Areas, Ramsar sites, ancient woodland, national nature reserves, local nature reserves and heritage coasts.

A guide only, from official open data; it is not a planning search. Flood zones cover rivers and sea, not surface water.

Data © Crown copyright and others · sources and licences

Contains public sector information from planning.data.gov.uk (MHCLG and local planning authorities), licensed under the Open Government Licence v3.0. © Crown copyright and database right 2026.

© Historic England 2026. Contains Ordnance Survey data © Crown copyright and database right 2026. The Historic England GIS Data contained in this material was obtained on 2026-11-03. The most publicly available up to date Historic England GIS Data can be obtained from HistoricEngland.org.uk.

© Natural England copyright. Contains Ordnance Survey data © Crown copyright and database right 2026.

© Environment Agency copyright and/or database right 2026. All rights reserved. Flood Map for Planning, Open Government Licence v3.0.

Contains Ordnance Survey data © Crown copyright and database right 2026.

Source: Office for National Statistics licensed under the Open Government Licence v.3.0. Contains OS data © Crown copyright and database right 2026.

Source: Westminster

Contains public sector information from the Planning London Datahub, licensed under the Open Government Licence v3.0.

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