Flat 11 46 Upper Grosvenor Street London W1K 2NW
Approved on 25 September 2026
Proposal
Variation of condition 2 of planning permission dated 06 November 2025 (RN: 25/05340/FULL) for the: Replacement of existing windows. (Flat 11, 46 Upper Grosvenor Street). NAMELY, to allow replacement windows constructed in aluminium rather than the original mild steel of the Crittall casements.
- Submitted
- 15 July 2026
- Council
- City of Westminster
- ReceivedSubmitted15 Jul
- ValidatedValidated
- Consult.Consultation
- TargetTarget Date
- DecidedDecided25 Sep
Decided in 72 days
About this application
This is a planning application for window replacement at Flat 11 46 Upper Grosvenor Street London W1K 2NW. Westminster has handled 27,108 applications of this type. This one was decided in 72 days, 3 weeks longer than Westminster's typical decision time. The site is in the Mayfair conservation area, with 12 listed buildings nearby. There has been 1 other application at this address. We hold 886 applications in total for the W1K postcode area.
Application details
- Postcode
- W1K 2NW
Site constraints
Designations that overlap or adjoin the site outline.
- Conservation area: Mayfair
- Article 4 direction: Article 4 Basement Development Permitted Rights Removed
- 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
- 202615 Jul
Variation of condition 2 of planning permission dated 06 November 2025 (RN: 25/05340/FULL
This applicationApprovedVariation of conditions (s73)26/04722/FULL - 202619 Mar
Detailed drawings of existing and proposed windows with key details pursuant to condition 2 of planning…
RefusedDischarge of conditions26/01789/ADFULL - 202510 Sep
Replacement of existing windows. (Flat 11, 46 Upper Grosvenor Street)
ApprovedFull planning permissionPart of25/05340/FULL
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 W1K
New planning applications delivered to your inbox daily.
Around this site
Nearby applications
- Flat 11 46 Upper Grosvenor Street London W1K 2NW26/01789/ADFULL · ConditionsRefused0.0 mi
- 47 Upper Grosvenor Street London W1K 2NP23/00069/ADFULL · ConditionsApproved0.0 mi
- 41 Upper Grosvenor Street London W1K 2NH24/08720/FULL · FullAwaiting decision0.0 mi
- 41 Upper Grosvenor Street London W1K 2NH25/07262/FULL · FullApproved0.0 mi
- 30 Grosvenor Square London W1K 6AN25/01206/ADFULL · ConditionsApproved0.0 mi
For applicants and trades
Contractors near this project
Find contractors for windows & doors near this site- Avent Roofing ServicesVerifiedWestminsterRoofing0.6 mi
- Atlas South Technical Service LimitedVerifiedLondonProperty MaintenanceHandyman1.1 mi
- Orient Construction Consultancy LimitedVerifiedLondon4.3 mi
- Nova Coat & PlasterVerifiedStreatham, LondonRenovations & RefurbishmentsPlastering5.1 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.