12 Stratford Place London W1C 1BB
Refused on 21 July 2026
Proposal
Variation of Conditions 1 and 12 and deletion of condition 14 on planning permission dated 16.06.2017 (17/01843/FULL) as amended by 20/06861/NMA dated 26.01.2021 for: Continued use of 12 Stratford Place for mixed purposes comprising institutional use incorporating office, education, conference, meditation, community and faith uses; including incorporation of the site to the rear at 12a Stratford Place and amendments to the rear of the building to provide a new extension at basement, lower ground, ground and first floor levels for mixed Class B1/D1 institutional uses with ancillary residential accommodation, plant, storage, service and cycle storage spaces: Namely, to allow amendments to the rear extension including amendments to the roof profile, amendments to the east and west facing elevations and the removal of the external glass lift shaft and stair enclosure; addition of a green wall to north elevation ( condition 1) , require the use to be carried out in accordance with the submitted Operational Management Plan (condition 12) and omission of 1st floor windows on the western flank elevation ( condition 14 )
- Submitted
- 27 October 2025
- Council
- City of Westminster
- ReceivedSubmitted27 Oct
- ValidatedValidated
- Consult.Consultation
- TargetTarget Date
- DecidedDecided21 Jul
Decided in 267 days
About this application
This is a planning application for a rear extension at 12 Stratford Place London W1C 1BB. Westminster has handled 27,078 applications of this type. This one was decided in 267 days, 31 weeks longer than Westminster's typical decision time. The site is in the Stratford Place conservation area, with 9 listed buildings nearby. There have been 2 other applications at this address. We hold 204 applications in total for the W1C postcode area.
Application details
- Postcode
- W1C 1BB
Site constraints
Designations that overlap or adjoin the site outline.
- Conservation area: Stratford PlacePart of the site
- 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.
Associated applications
- 202527 Oct
Erection of a new extension at basement, lower ground, ground and first floor levels including amendments to…
ApprovedListed building consentFiled alongside25/07744/LBC - 202527 Oct
Variation of Conditions 1 and 12 and deletion of condition 14 on planning permission dated 16.06.2017…
This applicationRefusedVariation of conditions (s73)25/07750/FULL
Planning history at this site
3 other applications at this property, newest first.
- 202522 Sep
Enlarge existing opening between 2 rooms on upper ground floor.
RefusedListed building consent25/06808/LBC - 202510 Jun
Amendments to the rear extension including amendments to the roof profile, amendments to the east and west…
WithdrawnListed building consent25/03956/LBC - 202510 Jun
Amendments to planning permission dated 26th January 2021 (RN:20/06861/NMA
WithdrawnNon-material amendment25/03955/NMA
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 extensions near this site- Avent Roofing ServicesVerifiedWestminsterRoofing0.6 mi
- Atlas South Technical Service LimitedVerifiedLondonProperty MaintenanceHandyman0.7 mi
- Orient Construction Consultancy LimitedVerifiedLondon4.0 mi
- Nova Coat & PlasterVerifiedStreatham, LondonRenovations & RefurbishmentsPlastering5.4 mi
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