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48, Shirland Mews, W9 3DY

25/02025/CLOPUDLawful development: Proposed useRefused

Refused on 23 April 2025

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

Conversion of loft with new dormer window to rear elevation and three new rooflights.

Submitted
26 March 2025
  1. Received26 Mar
  2. Validated
  3. Consult.
  4. Target
  5. Decided23 Apr

Decided in 28 days (council typically 49)

About this application

This is a planning application for a dormer extension at 48, Shirland Mews, W9 3DY. Westminster has handled 75 applications of this type. This one was decided in 28 days, 3 weeks quicker than Westminster's typical decision time. There have been 2 other applications at this address. In the past year there have been 27 applications across HRW_22. We hold 1,428 applications in total for the W9 postcode area.

75% of lawful development: proposed use 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
W9 3DY
Application type
Lawful development: Proposed use

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. 2025
    1 Apr

    Erection of a first floor rear extension, increase in roof ridge height and associated alterations to roof.

    RefusedHouseholderFiled alongside25/02187/FULL
  2. 2025
    26 Mar

    Conversion of loft with new dormer window to rear elevation and three new rooflights.

    This applicationRefusedLawful development: Proposed use25/02025/CLOPUD

Source: Westminster

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

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