97 Mount Street London W1K 2TD

26/00859/FULLApproved

Approved on 16 April 2026

Council decision: Application Permitted

Site boundary (council red line)

Proposal

Replacement of vault doors at lower-ground floor level and installation of roof breather vents beneath roof terrace decking.

Received: 12 February 2026
Council: City of Westminster

ReceivedReceived12 Feb
ValidatedValidated12 Feb
Consult.Consultation
TargetTarget Date
DecidedDecided16 Apr

Decided in 63 days

About this application

This is a planning application at 97 Mount Street London W1K 2TD. Westminster has handled 27,078 applications of this type. This one was decided in 63 days, 2 weeks longer than Westminster's typical decision time. The site is in the Mayfair conservation area, with 15 listed buildings nearby. There have been 5 other applications at this address. We hold 884 applications in total for the W1K postcode area.

Application details

Postcode: W1K 2TD

Planning application dates

Date validated: 12 February 2026

Site constraints

Checking the site

2/3

Council recordsAppealsFlood risk

Designations that overlap or adjoin the site outline.

Conservation area: Mayfair
Listed building: 87-102 Mount Street 26-33 South Audley Street London W1k 2szOn this 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 (22)

flood storage 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.

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

2026
12 Feb
Replacement of vault doors at lower-ground floor level and installation of roof breather vents beneath roof…
This applicationApprovedApplication26/00859/FULL
2026
12 Feb
Replacement of vault doors at lower-ground floor level and installation of roof breather vents beneath roof…
ApprovedListed building consentFiled alongside26/00860/LBC

Planning history at this site

9 other applications at this property, newest first.

Source: Westminster

Contains public sector information from the Planning London Datahub, licensed under the Open Government Licence v3.0.

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