6 Buckingham Mews London SW1E 6NR
Refused on 12 July 2023
Council decision: Application RefusedDelegated (officer decision)
Proposal
Amendments to planning permission dated 12th December 2022 (RN:22/03987/FULL) for the 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 to the edge of the building.
- Received
- 28 May 2023
- Decision level
- Delegated (officer decision)
- Council
- City of Westminster
- Ward
- St James's
- ReceivedReceived28 May
- ValidatedValidated2 Jun
- Consult.Consultation
- TargetTarget Date30 Jun
- DecidedDecided12 Jul
Decided in 40 days (council typically 49)
About this application
This is an application to amend a permission at 6 Buckingham Mews London SW1E 6NR. Westminster has handled 604 applications of this type. This one was decided in 45 days, 4 days quicker 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.
88% of amendment 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
- Non-material amendments
- Scale / size
- Small
Planning application dates
- Date validated
- 2 June 2023
- Target decision date
- 30 June 2023
Planning decision
- Statutory period
- 28 days
Site constraints
Designations at the address point. Ones next to the site may also apply.
- Flood zone 3: High probability (rivers and sea)
- Conservation area: Birdcage Walk
- 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 (21)
flood storage areas, listed buildings, 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.
Planning history at this site
3 other applications at this property, newest first.
- 202414 Feb
Details of secure cycle storage for the residential use pursuant to Condition 6 (in part) of planning…
ApprovedDischarge of conditions24/00954/ADFULL - 20244 Jan
Detailed drawings of the new windows sections and elevations and garage doors sections and elevations for…
ApprovedDischarge of conditions24/00058/ADFULL - 202314 Jul
Variation of Condition 1 of planning permission dated 12 December 2022 (RN: 22/03987/FULL
ApprovedVariation of conditions (s73)23/04870/FULL
Source: Westminster
Contains public sector information from the Planning London Datahub, licensed under the Open Government Licence v3.0.
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Around this site
Nearby applications
- 6 Buckingham Mews London SW1E 6NR24/00058/ADFULL · ConditionsApproved0.0 mi
- 3 Buckingham Mews London SW1E 6NR07/01645/FULL · FullRefused0.0 mi
- 6 Buckingham Mews London SW1E 6NR24/00954/ADFULL · ConditionsApproved0.0 mi
- 5 Buckingham Mews London SW1E 6NR07/01721/FULL · FullRefused0.0 mi
- 3 Buckingham Mews London SW1E 6NR07/01589/FULL · FullApproved0.0 mi
For applicants and trades
Contractors near this project
Find contractors for extensions near this site- Avent Roofing ServicesVerifiedWestminsterRoofing0.6 mi
- Atlas South Technical Service LimitedVerifiedLondonProperty MaintenanceHandyman1.7 mi
- Nova Coat & PlasterVerifiedStreatham, LondonRenovations & RefurbishmentsPlastering4.2 mi
- Orient Construction Consultancy LimitedVerifiedLondon4.4 mi
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