50 Hallam Street London W1W 6JJ
Approved on 11 November 2025
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
Extension of party wall and replacement of single chimney of front chimney stack of 50 Hallam Street to facilitate roof extension above 56-60 Hallam Street
- Received
- 27 May 2025
- Public comments
- 2
- Council
- City of Westminster
- Ward
- West End
- ReceivedReceived27 May
- ValidatedValidated11 Jun
- Consult.Consultation
- TargetTarget Date6 Aug
- DecidedDecided11 Nov
Decided in 153 days (council typically 49)
About this application
This is a heritage application for an extension at 50 Hallam Street London W1W 6JJ. Westminster has handled 2,677 applications of this type. This one was decided in 168 days, 17 weeks longer than Westminster's typical decision time. The site is in the Harley Street conservation area, with 6 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 251 applications in total for the W1W postcode area.
93% of heritage 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
- W1W 6JJ
- Application type
- Listed Building Consent Application
- Scale / size
- Small
Planning application dates
- Date validated
- 11 June 2025
- Consultation expiry
- 26 November 2025
- Target decision date
- 6 August 2025
- Committee meeting
- 11 November 2025
Applicant and agent
- Agent
- Savills
- Agent address
- 33 Margaret Street London W16 0JD United Kingdom
Planning decision
- Statutory period
- 56 days
Publicity
- Last advertised
- 5 November 2025
- Advertisement expiry
- 26 November 2025
Additional information
- Planning Portal ID
- PP-14051699
- Documents
- 20
Site constraints
Designations that overlap or adjoin the site outline.
- Conservation area: Harley Street
- 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.
Planning history at this site
1 other application 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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Around this site
Nearby applications
- Hallam House 56 - 60 Hallam Street London W1W 6JL26/01015/FULL · FullApproved0.0 mi
- Hallam House 56 - 60 Hallam Street London W1W 6JL26/00826/ADFULL · ConditionsAwaiting decision0.0 mi
- Hallam House 56 - 60 Hallam Street London W1W 6JL26/00825/ADFULL · ConditionsAwaiting decision0.0 mi
- Stone House 9 Weymouth Street London W1W 6DB26/01145/P3JPA · OutlineApproved0.0 mi
- 150 Great Portland Street London W1W 6QD24/04178/FULL · FullAwaiting decision0.0 mi
For applicants and trades
Consultants on this application
- Savills (UK) Ltd · Agent for this application
Contractors near this project
Find contractors for extensions near this site- Atlas South Technical Service LimitedVerifiedLondonProperty MaintenanceHandyman0.2 mi
- Avent Roofing ServicesVerifiedWestminsterRoofing0.8 mi
- Orient Construction Consultancy LimitedVerifiedLondon3.6 mi
- Nova Coat & PlasterVerifiedStreatham, LondonRenovations & RefurbishmentsPlastering5.7 mi
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