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4F Shirland Mews London W9 3DY

26/01091/P3JPAPrior Approval Class E to Dwellings (MA)Approved
Outline / PiP

Approved on 10 April 2026

Site boundary (council red line)

Proposal

Notification for Prior Approval for conversion from Commercial Use (Class E) to Residential (Class C3) under the Town and Country Planning (General Permitted Development) (England) Order 2015 (as amended) Schedule 2, Part 3, Class MA.

Received
20 February 2026
Ward
Harrow Road
Agent
UPP Architects + Town Planners
  1. Received20 Feb
  2. Validated20 Feb
  3. Consult.
  4. Target16 Apr
  5. Decided10 Apr

Decided in 49 days (council typically 49)

About this application

This is an outline application at 4F Shirland Mews London W9 3DY. Westminster has handled 218 applications of this type. This one was decided in 49 days. There has been 1 other application at this address. In the past year there have been 35 applications across Harrow Road. We hold 1,428 applications in total for the W9 postcode area.

82% of outline 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
W9 3DY
Application type
Prior Approval Class E to Dwellings (MA)
Scale / size
Small

Planning application dates

Date validated
20 February 2026
Target decision date
16 April 2026

Applicant and agent

Agent
UPP Architects + Town Planners
Agent address
Atrium The Stables Market Chalk Farm Road London NW1 8AH

Planning decision

Statutory period
55 days

Additional information

Planning Portal ID
PP-14718711
Comments
0
Documents
7

Site constraints

Checking the site
2/3
Council recordsAppealsFlood risk

Designations that overlap or adjoin the site outline.

  • Article 4 direction: Article 4 Basement Development Permitted Rights Removed
  • Flood zone 1: Low probability (rivers and sea)
Also checked, none recorded (23)

flood storage areas, conservation 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.

© 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. 2026
    11 Sep

    Details of secure measures to mitigate the potential increased demand for on-street residents car parking in…

    PendingApplicationRelated26/06241/ADFULL
  2. 2026
    20 Feb

    Notification for Prior Approval for conversion from Commercial Use (Class E) to Residential (Class C3) under…

    This applicationApprovedOutline26/01091/P3JPA

Source: Westminster

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

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