16 Beaumont Mews London W1G 6EJ
Approved on 9 September 2026
Proposal
Variation of condition 1 of planning permission dated 19th February 2025 (RN:24/03039/FULL) for the Excavation of single storey basement and the demolition and replacement of the mews building with an additional mansard storey to provide additional residential floorspace including the installation of an air source heat pump at roof level (Class C3). Namely,to seek approval for the development at 16 Beaumont Mews to be implemented in two phases, with the basement construction postponed to a later stage of the project
- Submitted
- 29 May 2026
- Council
- City of Westminster
- ReceivedSubmitted29 May
- ValidatedValidated
- Consult.Consultation
- TargetTarget Date
- DecidedDecided9 Sep
Decided in 103 days
About this application
This is a planning application for demolition at 16 Beaumont Mews London W1G 6EJ. Westminster has handled 27,108 applications of this type. This one was decided in 103 days, 8 weeks longer than Westminster's typical decision time. The site is in the Harley Street conservation area, with 3 listed buildings nearby. There have been 2 other applications at this address. We hold 590 applications in total for the W1G postcode area.
Application details
- Postcode
- W1G 6EJ
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 (22)
flood storage areas, listed buildings, 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
- 20266 Oct
Details of a detailed Circular Economy Statement and details of a Site Waste Management Plan pursuant to…
ApprovedAll OtherRelated26/06812/ADFULL - 202629 May
Variation of condition 1 of planning permission dated 19th February 2025 (RN:24/03039/FULL
This applicationApprovedVariation of conditions (s73)26/03548/FULL
Planning history at this site
5 other applications at this property, newest first.
- 202610 Jun
Details of new windows and doors; samples (or quality photos/specification details) of the facing materials…
ApprovedDischarge of conditions26/03805/ADFULL - 202523 Oct
Variation of Conditions 1 of planning permission dated 19th February 2025 (RN: 24/03039/FULL
ApprovedVariation of conditions (s73)25/07149/FULL - 202522 Oct
Details of a supplementary acoustic report pursuant to condition 12 of planning permission dated 19th…
ApprovedDischarge of conditions25/07662/ADFULL - 20253 Oct
Amendments to planning permission dated 19 February 2025 (RN:24/03039/FULL
WithdrawnNon-material amendment25/07157/NMA - 202519 Aug
16 Beaumont Mews Variation of Condition S73
ApprovedVariation of conditions (s73)25/05859/FULL
Source: Westminster
Contains public sector information from the Planning London Datahub, licensed under the Open Government Licence v3.0.
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