14, Cavendish Square, W1G 9DB
Proposal
Detailed drawings of the sliding roof lights above stair leading to roof terrace showing adjoining fabric and key details and detailed study and drawings of the roof light over the stair and its relationship to the existing decorative plasterwork pursuant to condition 3 (5) and (8) of listed building dated 11th March 2026 (RN:25/07887/LBC)
- Received
- 20 July 2026
- Council
- City of Westminster
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.
- ReceivedSubmitted20 Jul
- ValidatedValidated
- Consult.Consultation
- TargetTarget Date
- DecidedDecided
This is a planning application at 14, Cavendish Square, W1G 9DB. Westminster has handled 1,650 applications of this type and approves 89% of them, typically deciding them in 33 days. It was submitted on 20 July 2026 and is still awaiting a decision. The site is in the Harley Street conservation area, with 16 listed buildings nearby. There have been 2 other applications at this address. In the past year there have been 146 applications across MBW_22. We hold 574 applications in total for the W1G 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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Associated applications
- 202625 Aug
Details of railings showing adjoining fabric and key details, including detailed drawings with historic…
PendingListed building consentRelated26/05842/ADLBC - 202620 Jul
Detailed drawings of the sliding roof lights above stair leading to roof terrace showing adjoining fabric and…
This applicationPendingDischarge of conditions26/04714/ADLBC - 202530 Oct
Alterations including; demolition and alteration to roof structure including the installation of mechanical…
ApprovedApplicationFiled alongside25/07886/FULL - 202530 Oct
Alterations including; demolition and alteration to roof structure including the installation of mechanical…
ApprovedListed building consentPart of25/07887/LBC
Planning history at this site
5 other applications at this property, newest first.
- 202626 Aug
Details of doors (external) showing adjoining fabric and key details, windows showing adjoining fabric and…
ApprovedListed building consent26/05855/ADLBC - 202625 Aug
Details of photographs and specification of facing materials; external doors, windows, sliding roof lights…
ApprovedApplication26/05840/ADFULL - 20258 Aug
Details of an Operational Management Plan pursuant to Condition 3 of planning permission dated 9th April 2025…
ApprovedDischarge of conditions25/05407/ADFULL - 202518 Jun
Details Operational Management Plan pursuant to Condition 3 (A and B) of planning permission dated 09 April…
RefusedDischarge of conditions25/04137/ADFULL - 20253 Feb
Use of lower ground, ground, first, and second floors as a not-for-profit museum (Use Class F1).
ApprovedFull Planning Permission Application25/00722/FULL
Planning constraints
Designations that overlap or adjoin the site outline.
- Conservation area: Harley Street
- 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.
Before the decision
You may need a heritage statement. Heritage & archaeology consultants near this site
A listed building is on or next to this site.
- 0.1 miLondonRTPIRICS Regulated
- 0.3 miLondonRTPI
- 0.3 miLondonRTPI
Nearest first, within 25 miles of the site. Every firm is listed free.
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