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Warwick House 25 Buckingham Palace Road London SW1W 0PP

26/05653/FULLFullApproved

Approved on 29 September 2026

Council decision: Application Permitted7 conditions

Site boundary (council red line)

Proposal

Installation of replacement air conditioning plant, pipework and associated acoustic enclosure at roof level.

Received
18 August 2026
Public comments
0 · last counted 1 October 2026
  1. Received18 Aug
  2. Validated18 Aug
  3. Consult.
  4. Target
  5. Decided29 Sep

Decided in 42 days (council typically 49)

About this application

This is a full planning application at Warwick House 25 Buckingham Palace Road London SW1W 0PP. Westminster has handled 4,484 applications of this type. This one was decided in 42 days, 7 days quicker than Westminster's typical decision time. The site is in 6 listed buildings nearby. There are no previous applications recorded at this address. In the past year there have been 478 applications across St James's. We hold 1,477 applications in total for the SW1W postcode area.

86% of full 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
SW1W 0PP
Application type
Full
Scale / size
Small

Planning application dates

Date validated
18 August 2026

Additional information

Documents
17

Site constraints

Checking the site
2/3
Council recordsAppealsFlood risk

Designations that overlap or adjoin the site outline.

  • Flood zone 3: High probability (rivers and sea)Part of the site
  • Article 4 direction: Article 4 Basement Development Permitted Rights Removed+1 more
Also checked, none recorded (23)

flood storage areas, conservation 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, 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.

Source: Westminster

Contains public sector information from the Planning London Datahub, licensed under the Open Government Licence v3.0.

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