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63, 64, Marylebone High Street, W1U 5BA

25/03245/FULLFull planning & listed building consentApproved
Full

Approved on 9 July 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

External alterations including the replacement of mechanical plant on the north elevation; Internal alterations including the removal of partitioning at ground floor level, replacement of 4 glazed panels with louvered panels at roof level, and other associated external and internal works at A Block (Linked with 25/03246/LBC).

Submitted
28 May 2025
  1. Received28 May
  2. Validated
  3. Consult.
  4. Target
  5. Decided9 Jul

Decided in 42 days (council typically 49)

About this application

This is a planning application at 63, 64, Marylebone High Street, W1U 5BA. Westminster has handled 666 applications of this type. This one was decided in 42 days, 7 days quicker than Westminster's typical decision time. The site is in the Regent's Park conservation area, with 8 listed buildings nearby. There have been 2 other applications at this address. In the past year there have been 191 applications across MBW_22. We hold 1,068 applications in total for the W1U postcode area.

89% of full planning & listed building consent 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
W1U 5BA
Application type
Full planning & listed building consent

Site constraints

Checking the site
2/3
Council recordsAppealsFlood risk

Designations that overlap or adjoin the site outline.

  • Conservation area: Harley StreetPart of the site · +1 more
  • Listed building: Grade II: Marylebone Adult Education CentreOn 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.

Associated applications

  1. 2025
    28 May

    External alterations including the replacement of mechanical plant on the north elevation; Internal…

    This applicationApprovedListed building consent25/03245/FULL
  2. 2025
    28 May

    External alterations including the replacement of mechanical plant on the north elevation; Internal…

    ApprovedListed building consentPart of25/03246/LBC

Source: Westminster

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

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