146 New Cavendish Street London W1W 6YQ
Approved on 29 June 2023
Council decision: Application PermittedDelegated (officer decision)
Proposal
Variation of condition 3 of planning permission dated 19th December 2022 (RN 22/07470/FULL) for replacement ground floor entrance door on Ogle Street; alterations to fenestration and facade at ground floor level on Ogle Street and New Cavendish Street; and replacement of all windows at first to third floor level on Ogle Street and New Cavendish Street with double glazed metal windows NAMELY, to reword condition 3 to enable an aluminium profile matching the original steel, to be used for the replacement windows Application under s73 of the Act).
- Received
- 20 May 2023
- Decision level
- Delegated (officer decision)
- Council
- City of Westminster
- Ward
- West End
- Agent
- Longlane Architects
- ReceivedReceived20 May
- ValidatedValidated20 May
- Consult.Consultation
- TargetTarget Date15 Jul
- DecidedDecided29 Jun
Decided in 40 days (council typically 49)
About this application
This is a full planning application for window replacement at 146 New Cavendish Street London W1W 6YQ. Westminster has handled 4,484 applications of this type. This one was decided in 40 days, 9 days quicker than Westminster's typical decision time. The site is in the East Marylebone conservation area, with 5 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.
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
- W1W 6YQ
- Application type
- Full Planning Permission Application
- Scale / size
- Small
Planning application dates
- Date validated
- 20 May 2023
- Consultation expiry
- 28 June 2023
- Target decision date
- 15 July 2023
- Permission expires
- 18 December 2025
Applicant and agent
- Agent
- Longlane Architects
- Agent address
- Longlane Architects 5-7 Tanner Street London SE1 5PA
Planning decision
- Statutory period
- 56 days
Publicity
- Last advertised
- 7 June 2023
- Advertisement expiry
- 28 June 2023
- Site notice start
- 25 May 2023
- Site notice end
- 15 June 2023
Site constraints
Designations at the address point. Ones next to the site may also apply.
- Conservation area: East Marylebone
- Article 4 direction: Article 4 Basement Development Permitted Rights Removed+1 more
- 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.
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
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For applicants and trades
Contractors near this project
Find contractors for windows & doors near this site- Atlas South Technical Service LimitedVerifiedLondonProperty MaintenanceHandyman0.2 mi
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- Orient Construction Consultancy LimitedVerifiedLondon3.5 mi
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