37 Great Cumberland Place London W1H 7TD

26/00821/ADLBCApproval of Details (ADLBC)Approved

Discharge / amendments

Approved on 9 March 2026

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

Details of the existing and proposed floor build ups throughout the building and drawings omitting floor levelling and joist notching pursuant to condition 3A and 5 of listed building consent dated 15 October 2020 (RN: 20/03651/LBC).

Received: 11 February 2026
Council: City of Westminster
Ward: Marylebone

ReceivedReceived11 Feb
ValidatedValidated11 Feb
Consult.Consultation
TargetTarget Date8 Apr
DecidedDecided9 Mar

Decided in 26 days (council typically 49)

About this application

This is an application to discharge conditions at 37 Great Cumberland Place London W1H 7TD. Westminster has handled 3,063 applications of this type. This one was decided in 26 days, 3 weeks quicker than Westminster's typical decision time. The site is in the Portman Estate conservation area, with 20 listed buildings nearby. There have been 5 other applications at this address. In the past year there have been 171 applications across Marylebone. We hold 896 applications in total for the W1H postcode area.

92% of conditions 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: W1H 7TD
Application type: Approval of Details (ADLBC)
Scale / size: Small

Planning application dates

Date validated: 11 February 2026
Target decision date: 8 April 2026

Applicant and agent

Agent: Savills
Agent address: 33 Margaret Street London W1G 0JD United Kingdom

Planning decision

Statutory period: 56 days

Additional information

Planning Portal ID: PP-14696004
Comments: 0
Documents: 11

Site constraints

Checking the site

2/3

Council recordsAppealsFlood risk

Designations that overlap or adjoin the site outline.

Conservation area: Portman Estate
Listed building: Grade II: 37, Great Cumberland Place W1On this site · +8 more
Article 4 direction: Article 4 Basement Development Permitted Rights Removed
Brownfield land register: 47 Great Cumberland Place London W1H 7TQRegister site at or near this address
Flood zone 1: Low probability (rivers and sea)

Also checked, none recorded (20)

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 and heritage coasts.

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

11 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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Consultants on this application

Savills (UK) Ltd · Agent for this application

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