26, St James's Square, SW1Y 4JH
Approved on 22 August 2025
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
Replacement of top lights with louvred panels within the lightwell below ground level on the St James Square elevation, in connection with an installation of a ventilation plant.
- Submitted
- 8 July 2025
- Council
- City of Westminster
- ReceivedSubmitted8 Jul
- ValidatedValidated
- Consult.Consultation
- TargetTarget Date
- DecidedDecided22 Aug
Decided in 45 days (council typically 49)
About this application
This is a planning application at 26, St James's Square, SW1Y 4JH. Westminster has handled 804 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 St James's conservation area, with 11 listed buildings nearby. There has been 1 other application at this address. In the past year there have been 285 applications across SJW_22. We hold 969 applications in total for the SW1Y postcode area.
84% of full planning permission 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
- SW1Y 4JH
- Application type
- Full planning permission
Site constraints
Designations that overlap or adjoin the site outline.
- Conservation area: St James's
- Listed building: Grade II: 27-28 Pall Mall including 24-25 St James's SquareOn or next to this site · +1 more
- Article 4 direction: Article 4 Basement Development Permitted Rights Removed+1 more
- 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.
Planning history at this site
2 other applications at this property, newest first.
- 20254 Jun
Display of two non illuminated brass name plates to either side of the entrance doors, each measuring approx…
RefusedAdvertisement consent25/03761/ADV - 201614 Jan
Erection of security barrier with anti-intruder defense spikes at eighth floor level between 26 St James's…
RefusedApplication for full Planning Permission16/00321/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
- 26 St James's Square London SW1Y 4JH16/00321/FULL · FullRefused0.0 mi
- 24 St James's Square London SW1Y 4JH26/01424/LBC · HeritageApproved0.0 mi
- 24 - 25 St James's Square London SW1Y 4JU17/07363/LBC · HeritageWithdrawn0.0 mi
- 24 - 25 St James's Square London SW1Y 4JU17/10458/ADV · AdvertisingApproved0.0 mi
- 24 - 25 St James's Square London SW1Y 4JU17/07277/FULL · FullWithdrawn0.0 mi
For applicants and trades
Contractors near this project
- Avent Roofing ServicesVerifiedWestminsterRoofing0.3 mi
- Atlas South Technical Service LimitedVerifiedLondonProperty MaintenanceHandyman1.2 mi
- Orient Construction Consultancy LimitedVerifiedLondon3.9 mi
- Nova Coat & PlasterVerifiedStreatham, LondonRenovations & RefurbishmentsPlastering4.7 mi
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