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1 Princes Street London W1B 2LA

26/04424/FULLFull Planning Permission ApplicationAwaiting decision
Full
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

Installation of new louvre

Received
3 July 2026
Decision due
28 August 2026
Ward
West End
  1. Received3 Jul
  2. Validated3 Jul
  3. Consult.
  4. Target28 Aug
  5. Decided

Have your say

Comment on the council's siteDocuments (4)

About this application

This is a full planning application at 1 Princes Street London W1B 2LA. Westminster has handled 4,484 applications of this type. It has been with the council since 3 July 2026 and is still awaiting a decision. The site is in the Mayfair conservation area, with 9 listed buildings nearby. There are no previous applications recorded at this address. In the past year there have been 484 applications across West End. We hold 372 applications in total for the W1B 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
W1B 2LA
Application type
Full Planning Permission Application
Scale / size
Small

Planning application dates

Date validated
3 July 2026

Applicant and agent

Agent
Brown
Agent address
15 Halford Street 15 Halford St Leicester LE1 1JA Leicester Leicestershire Le1 1JA GB

Planning decision

Statutory period
56 days

Additional information

Planning Portal ID
PP-15058653
Comments
0
Documents
4

Site constraints

Checking the site
2/3
Council recordsAppealsFlood risk

Designations that overlap or adjoin the site outline.

  • Conservation area: MayfairPart of the site · +1 more
  • Listed building: Grade II: 249-259, Regent 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.

© Natural England copyright. Contains Ordnance Survey data © Crown copyright and database right 2026.

© Environment Agency copyright and/or database right 2026. All rights reserved. Flood Map for Planning, Open Government Licence v3.0.

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.

Source: Westminster

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

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Before the decision

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A listed building is on or next to this site.

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