21 Brackley Road Chiswick London W4 2HW
Proposal
Enlargement of existing basement including lowering of existing floor level and formation of underpinning astride the boundary line
- Received
- 15 June 2015
- Decided
- 24 July 2015
- Decision level
- Delegated (officer decision)
- Council
- London Borough of Hounslow
- Ward
- Chiswick Homefields
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.
- ReceivedSubmitted15 Jun
- ValidatedValidated
- Consult.Consultation
- TargetTarget Date
- DecidedDecided24 Jul
Decided in 39 days (council typically 56)
This is a full planning application at 21 BRACKLEY ROAD CHISWICK LONDON W4 2HW. Hounslow has handled 2,388 applications of this type and approves 77% of them, typically deciding them in 58 days. This one was decided in 39 days, 3 weeks quicker than Hounslow's median. There have been 2 other applications at this address. In the past year there have been 319 applications across Chiswick Homefields. We hold 6,560 applications in total for the W4 postcode area.
Application Details
Applicant & Agent
Planning Application Dates
Planning Decision
Publicity
Appeal
Additional Information
Source: Hounslow
Contains public sector information from the Planning London Datahub, licensed under the Open Government Licence v3.0.
Track this application
Get email alerts when there is a planning decision or status change.
Get email alerts near W4
New planning applications delivered to your inbox weekly.
Planning history at this site
3 other applications at this property, newest first.
- 201524 Mar
Ground floor rear extension 4.5 metres deep, maximum height of 3.76 metres, 3 metres high to the eaves
ApprovedPRIOR APPROVAL HOUSE HOLDERPA/2015/1273 - 201513 Feb
Ground floor rear extension 5.5 metres deep, maximum height of 4 metres, 3 metres high to the eaves
ApprovedPRIOR APPROVAL HOUSE HOLDERPA/2015/0635 - 20123 Dec
Certificate of lawfulness for the erection of a hip-to-gable roof extension and a rear roof extension with a…
ApprovedLawful Use CertificateP/2012/3413
Planning constraints
Designations that overlap or adjoin the site outline.
- Flood zone 3: High probability (rivers and sea)
- Article 4 direction: Dwellinghouses (C3) to small HMOs (C4) - borough-wide Article 4 Direction
Possibly incomplete for this council: tree preservation orders.
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 2026-10-09. 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.
What's been approved on your street?
See what the council approved and refused near this address for the project you have in mind, and the rules that apply here.