334 - 348 Oxford Street London W1C 1JG
Approved on 11 March 2026
Proposal
Amendments to planning permission dated 1st March 2022 (RN 21/05110/FULL) Alterations and extensions to, and partial demolition of, existing building to provide partly extended and refurbished, and partly new, building comprising deepened basement, ground, and nine upper floors (including ninth floor Class E space and plant enclosure) to provide commercial, business and service (Class E) use, replacement facades and shopfronts, installation of new plant, provision of cycle parking and other associated works. NAMELY, additional roof gantries; Updates to handrails to accessible zones and gantries; Additional step-overs to access zones; and Tenant roof kit locations, in line with associated amendments.
- Submitted
- 11 December 2025
- Council
- City of Westminster
- ReceivedSubmitted11 Dec
- ValidatedValidated
- Consult.Consultation
- TargetTarget Date
- DecidedDecided11 Mar
Decided in 90 days
About this application
This is a planning application for demolition at 334 - 348 Oxford Street London W1C 1JG. Westminster has handled 27,108 applications of this type. This one was decided in 90 days, 6 weeks longer than Westminster's typical decision time. The site is in 4 listed buildings nearby. There have been 3 other applications at this address. We hold 204 applications in total for the W1C postcode area.
Application details
- Postcode
- W1C 1JG
Site constraints
Designations that overlap or adjoin the site outline.
- Article 4 direction: Article 4 Basement Development Permitted Rights Removed+1 more
- Flood zone 1: Low probability (rivers and sea)
Also checked, none recorded (23)
flood storage areas, conservation 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.
Planning history at this site
7 other applications at this property, newest first.
- 202616 Jul
Details of GLA whole life carbon assessment / post completion report pursuant to conditions 25 and 26 of…
To be decided by GLA Oxford St Dev CorpApplication26/04762/ADFULL - 202621 May
Registering to assign additional address numbering and postcode relating to development site of former…
ApprovedAll OtherSNN26/00042 - 202614 Apr
Details of the system of mechanical ventilation, in accordance with the submitted Ventilation and Extract…
ApprovedDischarge of conditions26/02446/ADFULL - 202517 Sep
Details of how waste is to be stored on site and how materials for recycling will be stored separately and…
ApprovedDischarge of conditions25/06639/ADFULL - 202514 Aug
Details of facing materials you will use, including glazing, and elevations and roof plans annotated to show…
ApprovedAll Other25/05707/ADFULL - 202517 Jul
334 Oxford Street - NMA 6
ApprovedNon-material amendment25/04979/NMA - 20257 Mar
Details of lighting strategy pursuant to condition 9 of planning permission dated 01 March 2022 (RN…
ApprovedDischarge of conditions25/01550/ADFULL
Source: Westminster
Contains public sector information from the Planning London Datahub, licensed under the Open Government Licence v3.0.
Track this application
Get email alerts when there is a planning decision or status change.
Get email alerts near W1C
New planning applications delivered to your inbox daily.
Around this site
Nearby applications
- 334 - 348 Oxford Street London W1C 1JG26/02446/ADFULL · ConditionsApproved0.0 mi
- 334 - 348 Oxford Street London W1C 1JG25/06639/ADFULL · ConditionsApproved0.0 mi
- Pitch 918 Marylebone Lane London W1C 1JQ24/06334/FULL · FullAwaiting decision0.0 mi
- 350 - 352 Oxford Street London W1C 1JH24/08612/FULL · FullAwaiting decision0.0 mi
- 4 Stratford Place London W1C 1AT25/06296/FULL · FullRefused0.1 mi
For applicants and trades
Contractors near this project
Find contractors for extensions near this site- Avent Roofing ServicesVerifiedWestminsterRoofing0.5 mi
- Atlas South Technical Service LimitedVerifiedLondonProperty MaintenanceHandyman0.7 mi
- Orient Construction Consultancy LimitedVerifiedLondon3.9 mi
- Nova Coat & PlasterVerifiedStreatham, LondonRenovations & RefurbishmentsPlastering5.3 mi
Planning something similar?
See what the council approved and refused on your street for the project you have in mind. Pick your home and get the evidence before you pay for drawings.