30 Grosvenor Square London W1K 6AN

26/00408/FULLApproved

Approved on 1 May 2026

Site boundary (council red line)

Proposal

Installation of permanent external planter boxes at ground floor level on the Upper Grosvenor Square elevation and associated works.

Submitted: 23 January 2026
Council: City of Westminster

ReceivedSubmitted23 Jan
ValidatedValidated
Consult.Consultation
TargetTarget Date
DecidedDecided1 May

Decided in 98 days

About this application

This is a planning application at 30 Grosvenor Square London W1K 6AN. Westminster has handled 27,108 applications of this type. This one was decided in 98 days, 7 weeks longer than Westminster's typical decision time. The site is in the Mayfair conservation area, with 19 listed buildings nearby. There have been 10 other applications at this address. We hold 886 applications in total for the W1K postcode area.

Application details

Postcode: W1K 6AN

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: 6, Upper Grosvenor Street W1On or next to this site · +1 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.

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

10 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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