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54 Wimpole Street London W1G 8YJ

26/01617/ADLBCApproval of Details (ADLBC)Approved
Discharge / amendments

Approved on 7 April 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 pursuant to condition 5 of listed building consent dated 15th August 2025 (RN:25/02411/LBC).

Received
12 March 2026
Ward
Marylebone
Agent
Howard de Walden Estates Limited
  1. Received12 Mar
  2. Validated12 Mar
  3. Consult.
  4. Target7 May
  5. Decided7 Apr

Decided in 26 days (council typically 49)

About this application

This is an application to discharge conditions at 54 Wimpole Street London W1G 8YJ. 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 Harley Street conservation area, with 15 listed buildings nearby. There are no previous applications recorded at this address. In the past year there have been 168 applications across Marylebone. We hold 590 applications in total for the W1G 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
W1G 8YJ
Application type
Approval of Details (ADLBC)
Scale / size
Small

Planning application dates

Date validated
12 March 2026
Target decision date
7 May 2026

Applicant and agent

Agent
Howard de Walden Estates Limited
Agent address
23 Queen Anne Street London W1G 9DL

Planning decision

Statutory period
56 days

Additional information

Planning Portal ID
PP-14572690
Comments
0
Documents
15

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: 44 and 45, Wimpole Street W1On this site · +8 more
  • 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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