3 Buckingham Mews London SW1E 6NR
Approved on 18 June 2026
Proposal
Installation of solar panels to existing loft roof.
- Received
- 7 April 2026
- Council
- City of Westminster
- Ward
- St James's
- Agent
- nimtim architects
- ReceivedReceived7 Apr
- ValidatedValidated7 Apr
- Consult.Consultation
- TargetTarget Date1 Jun
- DecidedDecided18 Jun
Decided in 72 days
About this application
This is a planning application for a solar installation at 3 Buckingham Mews London SW1E 6NR. Westminster has handled 27,108 applications of this type. This one was decided in 72 days, 3 weeks longer than Westminster's typical decision time. The site is in the Birdcage Walk conservation area, with 12 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.
Application details
- Postcode
- SW1E 6NR
- Application type
- Prior Appro Solar PV
- Scale / size
- Small
Planning application dates
- Date validated
- 7 April 2026
- Target decision date
- 1 June 2026
Applicant and agent
- Agent
- nimtim architects
- Architect profile
- NIMTIM ARCHITECTS LTD
- Agent address
- Unit 1, Blackwater Court 17-19 Blackwater Street London SE22 8SD
Planning decision
- Statutory period
- 55 days
Site constraints
Designations that overlap or adjoin the site outline.
- 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
5 other applications at this property, newest first.
- 202613 Jan
Installation of solar panels to existing loft roof.
WithdrawnApplication26/00159/CLOPUD - 202530 Apr
Amendments to planning permission dated 17 June 2024 (RN 24/00419/FULL
ApprovedNon-material amendment25/02986/NMA - 202530 Apr
Detailed drawings of dormers and dormer windows pursuant to Condition 4 of planning permission dated 17 June…
ApprovedDischarge of conditions25/02985/ADFULL - 200721 Feb
Alterations including erection of mansard roof extension.
RefusedApplication for full Planning Permission07/01645/FULL - 200719 Feb
Alterations during the course of construction to permission dated 8 November 2006 (RN06/05463
ApprovedApplication for full Planning Permission07/01589/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 6NR24/00954/ADFULL · ConditionsApproved0.0 mi
- 5 Buckingham Mews London SW1E 6NR07/01721/FULL · FullRefused0.0 mi
- 3 Buckingham Mews London SW1E 6NR07/01645/FULL · FullRefused0.0 mi
- 6 Buckingham Mews London SW1E 6NR23/03588/NMA · AmendmentRefused0.0 mi
- 6 Buckingham Mews London SW1E 6NR24/00058/ADFULL · ConditionsApproved0.0 mi
For applicants and trades
Contractors near this project
Find contractors for roofing 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
Planning something similar?
See what the council approved and refused for loft conversions and dormers on your street. Pick your home and get the evidence before you pay for drawings.