Cavendish Square, W1G 0PG

25/01785/NMANon-Material AmendmentApproved

Approved on 28 March 2025

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

Amendments to planning permission dated 24th May 2022 (RN:19/08460/FULL) for, 'Demolition and erection of above ground structures in conjunction with the use of an underground car park (Sui Generis) as a flexible mixed use commercial development comprising uses within the following use classes A1-A5, B1,B2, B8, C1, C2, D1, and D2 along with the excavation of a 4th basement level, new entrances and associated landscaping and highways works to provide up to 25,953 sqm (GIA) of floorspace'; Namely, to add a further condition to the planning permission to allow the permission to become a phased permission, the permission would be split into two phases namely Saw Cut & Remove Wall Section (Phase 1) and then all other works associated Development (Phase 2).

Submitted: 17 March 2025
Council: City of Westminster

ReceivedSubmitted17 Mar
ValidatedValidated
Consult.Consultation
TargetTarget Date
DecidedDecided28 Mar

Decided in 11 days (council typically 49)

About this application

This is a planning application for demolition at Cavendish Square, W1G 0PG. Westminster has handled 230 applications of this type. This one was decided in 11 days, 5 weeks quicker than Westminster's typical decision time. The site is in the Harley Street conservation area, with 6 listed buildings nearby. There have been 5 other applications at this address. In the past year there have been 469 applications across WEW_22. We hold 590 applications in total for the W1G postcode area.

86% of non-material amendment 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: W1G 0PG
Application type: Non-Material Amendment

Site constraints

Checking the site

2/3

Council recordsAppealsFlood risk

Designations that overlap or adjoin the site outline.

Conservation area: Harley Street
Listed building: Grade II: Statue of Lord George Bentinck (at South End of Square Garden)On this site · +3 more
Article 4 direction: Article 4 Basement Development Permitted Rights Removed+1 more
Tree Preservation Order: Ref W4Part of the site
Brownfield land register: Harcourt House 19A Cavendish Square London W1G 0PLRegister site at or near this address
Flood zone 1: Low probability (rivers and sea)

Also checked, none recorded (19)

flood storage areas, 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

8 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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