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18, Upper Brook Street, W1K 7PU

25/03222/LBCFull planning & listed building consentApproved
Full

Approved on 16 February 2026

5 conditions

Approximate site (title boundary)
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

Internal refurbishment of office space including installation of plant within enlarged enclosure at roof level, addition of cycle storage to lower ground floor, layout alterations, and new mechanical and electrical services.

Submitted
12 May 2025
  1. Received12 May
  2. Validated
  3. Consult.
  4. Target
  5. Decided16 Feb

Decided in 280 days (council typically 49)

About this application

This is a planning application at 18, Upper Brook Street, W1K 7PU. Westminster has handled 666 applications of this type. This one was decided in 280 days, 33 weeks longer than Westminster's typical decision time. The site is in the Mayfair conservation area, with 20 listed buildings nearby. There has been 1 other application at this address. In the past year there have been 469 applications across WEW_22. We hold 886 applications in total for the W1K postcode area.

89% of full planning & listed building consent 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
W1K 7PU
Application type
Full planning & listed building consent

Site constraints

Checking the site
2/3
Council recordsAppealsFlood risk

Designations that overlap or adjoin the site outline.

  • Conservation area: Mayfair
  • Listed building: Grade II: Number 18 and Attached RailingsOn this site · +2 more
  • 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

  1. 2025
    12 May

    Internal refurbishment of office space including installation of plant within enlarged enclosure at roof…

    ApprovedListed building consentFiled alongside25/03221/FULL
  2. 2025
    12 May

    Internal refurbishment of office space including installation of plant within enlarged enclosure at roof…

    This applicationApprovedListed building consent25/03222/LBC

Source: Westminster

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

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