97 Mount Street London W1K 2TD

25/09042/FULLApproved

Approved on 2 April 2026

Council decision: Application Permitted

Site boundary (council red line)

Proposal

Installation of dry riser inlet within existing grille.

Received: 15 December 2025
Council: City of Westminster

ReceivedReceived15 Dec
ValidatedValidated2 Feb
Consult.Consultation
TargetTarget Date
DecidedDecided2 Apr

Decided in 59 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 59 days, 10 days longer than Westminster's typical decision time. The site is in the Mayfair conservation area, with 17 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: 2 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 or next to 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.

Planning history at this site

10 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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