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9 Mount Row London W1K 3RG

24/04704/FULLFull Planning Permission ApplicationApproved
Full

Approved on 5 September 2024

Council decision: Application PermittedDelegated (officer decision)

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

Installation of air conditioning condensers on the flat/mansard roof above 3rd floor level and remove an existing air conditioning unit at the ground floor rear elevation. Replacement of windows at the ground floor rear elevation.

Received
12 July 2024
Decision level
Delegated (officer decision)
Public comments
1
Ward
West End
Agent
Brahma London Ltd
  1. Received12 Jul
  2. Validated12 Jul
  3. Consult.
  4. Target6 Sep
  5. Decided5 Sep

Decided in 55 days (council typically 49)

About this application

This is a full planning application for window replacement at 9 Mount Row London W1K 3RG. Westminster has handled 4,484 applications of this type. This one was decided in 55 days, 6 days longer than Westminster's typical decision time. The site is in the Mayfair conservation area, with 18 listed buildings nearby. There have been 4 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.

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.Planning something similar? See what gets approved on your street

Application details

Postcode
W1K 3RG
Application type
Full Planning Permission Application
Scale / size
Small

Planning application dates

Date validated
12 July 2024
Consultation expiry
21 August 2024
Target decision date
6 September 2024

Applicant and agent

Agent
Brahma London Ltd
Architect profile
BRAHMA LONDON LTD
Agent address
20A Arlington Avenue London N1 7AX United Kingdom

Planning decision

Statutory period
56 days

Publicity

Last advertised
31 July 2024
Advertisement expiry
21 August 2024
Site notice start
18 July 2024
Site notice end
8 August 2024

Additional information

Planning Portal ID
PP-13149993
Documents
23

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: 2-8, Carlos Place W1On 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 (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.

Source: Westminster

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

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