The Westbury Hotel 37 Conduit Street London W1S 2YF

26/01630/FULLFull Planning Permission ApplicationApproved

Full

Approved on 24 June 2026

Site boundary (council red line)

Proposal

Variation of Condition 18 of planning permission dated 15th November 2024 (RN 24/02402/FULL) for: Excavation of extension to provide a second basement level, demolition and re-build of the 6th and 7th floors and extension to form new 8th floor, erection of rear extension from ground to new 8th floor level, all to enlarge existing hotel (Class C1). External alterations including alterations to the appearance of the existing facades namely, to amend the wording of Condition 18 to require that prior to occupation, a contribution be made to the Historic England Records enhancement project by way of inputting new data for the Civil War Defences for the 41 identified sites surrounding Westbury Hotel as identified within the search area of the WSI Addendum dated 04/02/2026.

Received: 12 March 2026
Council: City of Westminster
Ward: West End
Agent: hgh Consulting

ReceivedReceived12 Mar
ValidatedValidated12 Mar
Consult.Consultation
TargetTarget Date7 May
DecidedDecided24 Jun

Decided in 104 days (council typically 49)

About this application

This is a full planning application for demolition at The Westbury Hotel 37 Conduit Street London W1S 2YF. Westminster has handled 4,484 applications of this type. This one was decided in 104 days, 8 weeks longer than Westminster's typical decision time. The site is in the Mayfair conservation area, with 20 listed buildings nearby. There have been 14 other applications at this address. In the past year there have been 484 applications across West End. We hold 791 applications in total for the W1S 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.See what's approved near your address

Application details

Postcode: W1S 2YF
Application type: Full Planning Permission Application
Scale / size: Small

Planning application dates

Date validated: 12 March 2026
Target decision date: 7 May 2026

Applicant and agent

Agent: hgh Consulting
Agent address: 13-14 Welbeck Street London W1G 9XU United Kingdom

Planning decision

Statutory period: 56 days

Additional information

Planning Portal ID: PP-14771795
Comments: 0
Documents: 6

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: 9, Clifford Street W1On or next to this site
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.

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

19 other applications at this property, newest first.

Source: Westminster

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

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