21 St James's Square London SW1Y 4JZ
Proposal
Removal of internal partitions on third and fourth floors in association with reconfiguration of office layout.
- Received
- 15 April 2024
- Decided
- 13 June 2024 · Application Permitted
- Decision level
- Delegated (officer decision)
- Public comments
- 1
- Council
- City of Westminster
- Ward
- St James's
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.
- ReceivedSubmitted15 Apr
- ValidatedValidated15 Apr
- Consult.Consultation
- TargetTarget Date10 Jun
- DecidedDecided13 Jun
Decided in 59 days (council typically 49)
This is a heritage application at 21 St James's Square London SW1Y 4JZ. Westminster has handled 2,686 applications of this type and approves 91% of them, typically deciding them in 65 days. This one was decided in 59 days, 6 days quicker than Westminster's median. The site is in the St James's conservation area, with 12 listed buildings nearby. There have been 2 other applications at this address. In the past year there have been 558 applications across St James's. We hold 961 applications in total for the SW1Y postcode area.
Application Details
Applicant & Agent
Planning Application Dates
Planning Decision
Publicity
Appeal
Additional Information
Source: Westminster
Contains public sector information from the Planning London Datahub, licensed under the Open Government Licence v3.0.
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Planning history at this site
4 other applications at this property, newest first.
- 202524 Jul
20 St James Sq - JLL
ApprovedAdvertisement consent25/05146/AD7 - 202530 Jun
Internal alterations at third and fourth floor levels comprising installation of glazed partitions…
ApprovedListed building consent25/04468/LBC - 201719 Sep
Installation of replacement CCTV fixture and replacement of windows at third and fourth floors on the…
ApprovedApplication for full Planning Permission17/08384/FULL - 201719 Sep
Removal of redundant CCTV fixture from the St James's Square elevation and installation of replacement CCTV…
ApprovedListed building consent17/08385/LBC
Planning constraints
Designations that overlap or adjoin the site outline.
- Conservation area: St James's
- 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 2026-10-09. 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.
Consultants on this application
- tp bennett · Agent for this application
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