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First Floor 23 Mount Street London W1K 2RP

23/07916/LBCListed Building Consent ApplicationAwaiting decision
Listed building consent
Approximate site (title boundary)
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.

Proposal

Renovation of existing original front steel windows and replacement of timber front windows to match renovated existing window, replacement traditional timber casement windows to lightwell and rear, external air conditioning unit located on main roof, and associated works. (Linked with 23/02487/FULL)

Received
15 November 2023
Decision due
17 January 2024
Ward
West End
  1. Received15 Nov
  2. Validated22 Nov
  3. Consult.
  4. Target17 Jan
  5. Decided

Have your say

Comment on the council's siteDocuments (7)

About this application

This is a heritage application for window replacement at First Floor 23 Mount Street London W1K 2RP. Westminster has handled 2,677 applications of this type. It has been with the council since 15 November 2023 and is still awaiting a decision. The site is in the Mayfair conservation area, with 11 listed buildings nearby. There have been 3 other applications at this address. In the past year there have been 484 applications across West End. We hold 884 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 2RP
Application type
Listed Building Consent Application
Scale / size
Small

Planning application dates

Date validated
22 November 2023

Applicant and agent

Agent
Elicyon
Agent address
Avon House Avonmore road London W14 8TS United Kingdom

Planning decision

Statutory period
56 days

Additional information

Planning Portal ID
PP-12602026
Comments
0
Documents
7

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: 10-12, Mount Street W1On 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.

© 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.

Associated applications

  1. 2023
    15 Nov

    Renovation of existing original front steel windows and replacement of timber front windows to match…

    This applicationPendingListed building consent23/07916/LBC
  2. 2023
    14 Apr

    Renovation of existing original front steel windows and replacement of timber front windows to match…

    ApprovedFull Planning Permission ApplicationPart of23/02487/FULL

Source: Westminster

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

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Before the decision

You may need a heritage statement. Heritage & archaeology consultants near this site

This is an application for listed building consent.

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Nearest first, within 25 miles of the site. Every firm is listed free.

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