6 Wilton Street London SW1X 7AF
Approved on 5 August 2026
Proposal
Removal of existing roof and rear third floor mansard and replacement with fourth floor mansard extension; replacement of front third floor windows and new rear third floor windows; internal alterations.
- Submitted
- 27 February 2026
- Council
- City of Westminster
- ReceivedSubmitted27 Feb
- ValidatedValidated
- Consult.Consultation
- TargetTarget Date
- DecidedDecided5 Aug
Decided in 159 days
About this application
This is a planning application for an extension at 6 Wilton Street London SW1X 7AF. Westminster has handled 27,078 applications of this type. This one was decided in 159 days, 16 weeks longer than Westminster's typical decision time. The site is in the Belgravia conservation area, with 9 listed buildings nearby. There have been 5 other applications at this address. We hold 1,284 applications in total for the SW1X postcode area.
Application details
- Postcode
- SW1X 7AF
Site constraints
Designations that overlap or adjoin the site outline.
- Conservation area: Belgravia
- Article 4 direction: Article 4 Basement Development Permitted Rights Removed
- Flood zone 1: Low probability (rivers and sea)
Also checked, none recorded (21)
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, heritage coasts and brownfield registers.
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.
Associated applications
- 20265 Nov
Details of all new windows and any works to plaster ceilings pursuant to condition 4 parts (i and v) of…
PendingListed building consentRelated26/07545/ADLBC - 202623 Sep
Details of all new windows; new internal doors; details of upgrading works to retained doors; details of new…
RefusedDischarge of conditions26/06547/ADLBC - 202627 Feb
Removal of existing roof and rear third floor mansard and replacement with fourth floor mansard extension…
ApprovedFull Planning Permission ApplicationRelated26/01273/FULL - 202627 Feb
Removal of existing roof and rear third floor mansard and replacement with fourth floor mansard extension…
This applicationApprovedListed building consent26/01274/LBC - 202626 Feb
Partial demolition at rear basement, ground and closet wing; extension at rear basement & ground floor with…
WithdrawnFull Planning Permission ApplicationFiled alongside26/01239/FULL - 202626 Feb
Partial demolition at rear basement, ground and closet wing; extension at rear basement & ground floor with…
WithdrawnListed building consentFiled alongside26/01240/LBC
Planning history at this site
4 other applications at this property, newest first.
- 20264 Nov
Details of all new windows pursuant to condition 4 of planning permission dated 05 August 2026 (RN…
PendingAll Other26/07515/ADFULL - 202621 Oct
6 Wilton Street Condition 6 Brick Sample
ApprovedDischarge of conditions26/07179/ADFULL - 202621 Oct
6 Wilton Street Condition 6 LBC
ApprovedDischarge of conditions26/07180/ADLBC - 202623 Sep
Details of all new windows and details of sample of the brickwork of the new brickwork to the rear facade…
RefusedDischarge of conditions26/06546/ADFULL
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 Wilton Street London SW1X 7AF26/01273/FULL · FullApproved0.0 mi
- 6 Wilton Street London SW1X 7AF26/01240/LBC · HeritageWithdrawn0.0 mi
- 6 Wilton Street London SW1X 7AF26/01239/FULL · FullWithdrawn0.0 mi
- 7 Wilton Street London SW1X 7AF13/11869/LBC · HeritageApproved0.0 mi
- 7 Wilton Street London SW1X 7AF13/11868/FULL · FullApproved0.0 mi
For applicants and trades
Contractors near this project
Find contractors for extensions near this site- Avent Roofing ServicesVerifiedWestminsterRoofing0.8 mi
- Atlas South Technical Service LimitedVerifiedLondonProperty MaintenanceHandyman1.8 mi
- Nova Coat & PlasterVerifiedStreatham, LondonRenovations & RefurbishmentsPlastering4.2 mi
- Orient Construction Consultancy LimitedVerifiedLondon4.7 mi
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