Crofton House 1 New Cavendish Street London W1G 8US
Approved on 13 November 2025
Council decision: Application Permitted
Proposal
Refurbishment works to flat 7 the existing flat including formation of new kitchen and bathroom including removal of section of internal partition, replacing existing non-original internal doors, secondary glazing to existing windows and refurbishment of existing windows, installation of new heating system and new joinery. Installation of new insulated roof covering to existing roof. (Linked to 25/07064/FULL)
- Received
- 1 October 2025
- Council
- City of Westminster
- ReceivedReceived1 Oct
- ValidatedValidated1 Oct
- Consult.Consultation
- TargetTarget Date
- DecidedDecided13 Nov
Decided in 43 days
About this application
This is a planning application for window replacement at Crofton House 1 New Cavendish Street London W1G 8US. Westminster has handled 27,108 applications of this type. This one was decided in 43 days, 6 days quicker than Westminster's typical decision time. The site is in the Harley Street conservation area, with 3 listed buildings nearby. There has been 1 other application at this address. We hold 590 applications in total for the W1G postcode area.
Application details
- Postcode
- W1G 8US
Planning application dates
- Date validated
- 1 October 2025
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
- Brownfield land register: Development Site At 12-14 St Vincent Street, 4 Blandford St And 111 - 117 Marylebone High…Register site at or near this address
- Flood zone 1: Low probability (rivers and sea)
Also checked, none recorded (20)
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 and heritage coasts.
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
- 20251 Oct
Refurbishment works to flat 7 the existing flat including formation of new kitchen and bathroom including…
ApprovedFull Planning Permission ApplicationPart of25/07064/FULL - 20251 Oct
Refurbishment works to flat 7 the existing flat including formation of new kitchen and bathroom including…
This applicationApprovedListed building consent25/07065/LBC
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
- Crofton House 1 New Cavendish Street London W1G 8US25/07064/FULL · FullApproved0.0 mi
- 1 Marylebone Street London W1G 8JA25/08142/FULL · FullApproved0.0 mi
- 8 Marylebone High Street London W1U 4NN25/08120/ADV · AdvertisingApproved0.0 mi
- Flat 8 Woodstock House 11 Marylebone High Street London W1U 4NP24/06219/FULL · FullAwaiting decision0.0 mi
- 4 New Cavendish Street London W1G 8UQ24/06973/ADV · AdvertisingAwaiting decision0.0 mi
For applicants and trades
Contractors near this project
Find contractors for renovations & refurbishments 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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