20 St James's Square London SW1Y 4JH
Proposal
Removal of existing light fittings and replacement with new contemporary light fittings at the ground, first, second and third floors with associated works.
- Received
- 20 March 2026
- Decided
- 31 July 2026
- Council
- City of Westminster
- Ward
- St James's
- ReceivedSubmitted20 Mar
- ValidatedValidated13 Apr
- Consult.Consultation
- TargetTarget Date8 Jun
- DecidedDecided31 Jul
Decided in 109 days (council typically 49)
This is a heritage application at 20 St James's Square London SW1Y 4JH. 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 133 days, 10 weeks longer than Westminster's median. The site is in the St James's conservation area, with 14 listed buildings nearby. There have been 3 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
6 other applications at this property, newest first.
- 202612 Feb
Relocation of existing chandelier light fitting at the ground floor music room (RM0.02) to the first-floor…
ApprovedListed building consent26/00897/LBC - 202514 Jul
Replacement of damask fabric in first and second drawing rooms at the first floor and associated works.
ApprovedListed building consent25/04821/LBC - 202529 May
Details of new internal doors, pursuant to Condition 5 of listed building consent dated 22 May 2025 (RN…
ApprovedListed building consent25/03641/ADLBC - 202516 Apr
Internal alteration including the removal or retention of partitions at lower ground and ground floors…
ApprovedListed building consent25/02382/LBC - 202418 Nov
Notwithstanding the plans hereby approved, revised details of the proposed lift enclosure shall be submitted…
PendingListed building consent24/08198/ADLBC - 202410 Jun
Removal of blind door architraves at second and third floors; removal of 'scumble glazing'; insertion of…
PendingListed building consent24/03827/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.
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