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21, Gunnersbury Crescent, W3 9AA

251324FULFull planning permissionApproved
Full

Approved on 27 February 2026

10 conditions

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

Change of use of dwellinghouse (Use Class C3) to HMO (Use Class C4) into a 10-bed HMO (Sui-Generis) Single-storey side extension with conversion of the garage into a habitable room, Alteration of roof from hip to gable end; rear roof extension with the provision of refuse and cycle storage.

Submitted
1 April 2025
  1. Received1 Apr
  2. Validated
  3. Consult.
  4. Target
  5. Decided27 Feb

Decided in 332 days (council typically 56)

About this application

This is a planning application for a single storey side extension at 21, Gunnersbury Crescent, W3 9AA. Ealing has handled 564 applications of this type. This one was decided in 332 days, 39 weeks longer than Ealing's typical decision time. There are no previous applications recorded at this address. In the past year there have been 28 applications across EALCOM. We hold 1,744 applications in total for the W3 postcode area.

77% of full planning permission applications at London Borough of Ealing were approved. Across all application types, the council typically decides in about 8 weeks (median).

Based on decided applications received in the last 3 years.See what's approved near your address

Application details

Postcode
W3 9AA
Application type
Full planning permission

Site constraints

Checking the site
2/3
Council recordsAppealsFlood risk

Designations that overlap or adjoin the site outline.

  • Flood zone 1: Low probability (rivers and sea)

Not published by this council, so not checked: Article 4 directions and tree preservation orders. Ask the council if these matter.

Also checked, none recorded (22)

flood storage areas, conservation areas, listed buildings, 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: Ealing

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

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