26 Conduit Street London W1S 2XX
Proposal
Alterations to the lift over-run; installation of new windows on the rear elevation and to lightwells; new french doors and Juliet balcony at rear fifth floor level and removal of the external metal fire escape from the rear elevation.
- Received
- 27 April 2023
- Decided
- 5 July 2023 · Application Withdrawn
- Council
- City of Westminster
- Ward
- West End
Boundary © HM Land Registry, © Ordnance Survey · details
This information is subject to Crown copyright and database rights 2026 and is reproduced with the permission of HM Land Registry. The polygons (including the associated geometry, namely x, y co-ordinates) are subject to Crown copyright and database rights 2026 Ordnance Survey AC0000851063. Conditions of use.
- ReceivedSubmitted27 Apr
- ValidatedValidated27 Apr
- Consult.Consultation
- TargetTarget Date22 Jun
- DecidedDecided5 Jul
Decided in 69 days (council typically 49)
This is a full planning application for window replacement at 26 Conduit Street London W1S 2XX. Westminster has handled 4,496 applications of this type and approves 85% of them, typically deciding them in 74 days. This one was decided in 69 days, 5 days quicker than Westminster's median. The site is in the Mayfair conservation area, with 20 listed buildings nearby. There are no previous applications recorded at this address. In the past year there have been 517 applications across West End. We hold 773 applications in total for the W1S postcode area.
Application Details
Applicant & Agent
Planning Application Dates
Planning Decision
Publicity
Appeal
Additional Information
Source: Westminster
Contains public sector information from the Planning London Datahub, licensed under the Open Government Licence v3.0.
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Planning history at this site
3 other applications at this property, newest first.
- 202511 Sep
Reinstatement of 4No. original 5th floor window openings to Conduit Street
ApprovedFull planning permission25/06184/FULL - 202525 Jun
Detailed drawings of the windows pursuant to condition 5 (Part 2) of planning permission dated 31st October…
ApprovedDischarge of conditions25/04356/ADFULL - 202516 Apr
Detailed drawings of the rooflights (1:10) including section drawing showing relationship to existing…
ApprovedDischarge of conditions25/02150/ADFULL
Planning constraints
Designations that overlap or adjoin the site outline.
- Conservation area: Mayfair
- 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 2026-10-09. 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.
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