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143 New Bond Street London W1S 2TP

25/07013/FULLFull Planning Permission ApplicationApproved
Full

Approved on 18 February 2026

Site boundary (council red line)

Proposal

Provision of a new external metal escape staircase from the second to ground floors on the side external wall of 143 New Bond Street in the shared private alley between 143 and 144 New Bond Street. (Linked with 25/07014/LBC)

Received
30 September 2025
Ward
West End
Agent
McDonald Architects
  1. Received30 Sep
  2. Validated6 Oct
  3. Consult.
  4. Target1 Dec
  5. Decided18 Feb

Decided in 135 days (council typically 49)

About this application

This is a full planning application at 143 New Bond Street London W1S 2TP. Westminster has handled 4,484 applications of this type. This one was decided in 141 days, 13 weeks longer than Westminster's typical decision time. The site is in the Mayfair conservation area, with 20 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 791 applications in total for the W1S postcode area.

86% of full 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
W1S 2TP
Application type
Full Planning Permission Application
Scale / size
Small

Planning application dates

Date validated
6 October 2025
Consultation expiry
30 October 2025
Target decision date
1 December 2025

Applicant and agent

Agent
McDonald Architects
Architect profile
MCDONALD ARCHITECTS LIMITED
Agent address
McDonald Architects SPACES 17 City North Place London N4 3FU United Kingdom

Planning decision

Statutory period
56 days

Publicity

Site notice start
9 October 2025
Site notice end
30 October 2025

Additional information

Planning Portal ID
PP-14322136
Comments
0
Documents
27

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: 143, New Bond 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. 2025
    30 Sep

    Provision of a new external metal escape staircase from the second to ground floors on the side external wall…

    This applicationApprovedFull25/07013/FULL
  2. 2025
    30 Sep

    Provision of a new external metal escape staircase from the second to ground floors on the side external wall…

    ApprovedListed building consentPart of25/07014/LBC

Source: Westminster

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

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