Cavendish Square, W1G 0PG

25/03132/CLEUDLawful development: Existing useApproved

Lawful development certificate

Approved on 13 May 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

Certificate of Lawful Development demonstrating that works have been undertaken to implement planning permission dated 24th May 2022 under application RN19/08460/FULL at the Underground Car Park, Cavendish Square.

Submitted: 7 May 2025
Council: City of Westminster

ReceivedSubmitted7 May
ValidatedValidated
Consult.Consultation
TargetTarget Date
DecidedDecided13 May

Decided in 6 days (council typically 49)

About this application

This is a planning application at Cavendish Square, W1G 0PG. Westminster has handled 39 applications of this type. This one was decided in 6 days, 6 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.

84% of lawful development: existing use 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: Lawful development: Existing use

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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