45 Welbeck Street London W1G 8DZ
Approved on 5 June 2026
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
Replacement of windows with slimline double glazing windows and associated works.
- Received
- 5 September 2025
- Council
- City of Westminster
- Ward
- Marylebone
- ReceivedReceived5 Sep
- ValidatedValidated5 Sep
- Consult.Consultation
- TargetTarget Date31 Oct
- DecidedDecided5 Jun
Decided in 273 days (council typically 49)
About this application
This is a full planning application for window replacement at 45 Welbeck Street London W1G 8DZ. Westminster has handled 4,484 applications of this type. This one was decided in 273 days, 32 weeks longer than Westminster's typical decision time. The site is in the Harley Street conservation area, with 20 listed buildings nearby. There are no previous applications recorded at this address. In the past year there have been 171 applications across Marylebone. We hold 590 applications in total for the W1G 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
- W1G 8DZ
- Application type
- Full Planning Permission Application
- Scale / size
- Small
Planning application dates
- Date validated
- 5 September 2025
- Target decision date
- 31 October 2025
Applicant and agent
- Agent address
- 45 Welbeck Street London W1G 8DZ
Planning decision
- Statutory period
- 56 days
Site constraints
Designations that overlap or adjoin the site outline.
- Conservation area: Harley Street
- 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.
© 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
- 20255 Sep
Replacement of windows with slimline double glazing windows and associated works. (Linked to 25/06314/FULL
ApprovedListed building consentRelated25/05979/LBC - 20255 Sep
Replacement of windows with slimline double glazing windows and associated works.
This applicationApprovedFull25/06314/FULL
Planning history at this site
4 other applications at this property, newest first.
- 20253 Apr
Works in front and rear lightwells and internal alterations at ground and lower ground floor levels.
ApprovedListed building consent25/02269/LBC - 202510 Mar
Details of any lath and plaster ceiling and cornices and method statement pursuant to Condition 6 (A and B)…
ApprovedListed building consent25/01595/ADLBC - 202522 Jan
Internal alterations at ground and lower ground floor.
ApprovedListed building consent25/00197/LBC - 20256 Jan
Details of elevations or sections of the proposed partition and door across the stair landing at rear ground…
ApprovedDischarge of conditions25/00045/ADLBC
Source: Westminster
Contains public sector information from the Planning London Datahub, licensed under the Open Government Licence v3.0.
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Around this site
Nearby applications
- 44 Welbeck Street London W1G 8DY26/01432/ADLBC · ConditionsRefused0.0 mi
- 43 Welbeck Street London W1G 8DX26/02955/FULL · FullApproved0.0 mi
- 43 Welbeck Street London W1G 8DX26/02956/LBC · HeritageApproved0.0 mi
- 29 Welbeck Street London W1G 8EP25/00328/AD7 · AdvertisingApproved0.0 mi
- 58 Queen Anne Street London W1G 8HW24/05423/NMA · AmendmentAwaiting decision0.0 mi
For applicants and trades
Contractors near this project
Find contractors for windows & doors near this site- Atlas South Technical Service LimitedVerifiedLondonProperty MaintenanceHandyman0.6 mi
- Avent Roofing ServicesVerifiedWestminsterRoofing0.8 mi
- Orient Construction Consultancy LimitedVerifiedLondon3.9 mi
- Nova Coat & PlasterVerifiedStreatham, LondonRenovations & RefurbishmentsPlastering5.6 mi
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