17 - 21 South Audley Street London W1K 2NY

26/05507/LBCHeritageApproved

Listed building consent

Approved on 1 October 2026

Site boundary (council red line)

Proposal

Removal of lower floorboards, installation of a new floor build-up, refurbishment and reinstatement of existing historic floorboards, and associated works to the Library/Lounge and Stair 03 at ground floor level.

Received: 13 August 2026
Council: City of Westminster

ReceivedReceived13 Aug
ValidatedValidated13 Aug
Consult.Consultation
TargetTarget Date
DecidedDecided1 Oct

Decided in 49 days (council typically 49)

About this application

This is a heritage application at 17 - 21 South Audley Street London W1K 2NY. Westminster has handled 2,677 applications of this type. This one was decided in 49 days. The site is in the Mayfair conservation area, with 20 listed buildings nearby. There have been 58 other applications at this address. In the past year there have been 484 applications across West End. We hold 886 applications in total for the W1K postcode area.

93% of heritage applications at City of Westminster were approved. Across all application types, the council typically decides in about 7 weeks (median).

Based on decided applications received in the last 3 years.See what's approved near your address

Application details

Postcode: W1K 2NY
Application type: Heritage
Scale / size: Small

Planning application dates

Date validated: 13 August 2026

Site constraints

Checking the site

2/3

Council recordsAppealsFlood risk

Designations that overlap or adjoin the site outline.

Conservation area: Mayfair
Listed building: Grade II*: Messrs GoodeOn this site · +3 more
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 2026-11-03. 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

Planning history at this site

20 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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Montagu Evans LLP · Agent for this application

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