178 Chiswick High Road Chiswick London W4 1PR
Approved on 14 July 2015
Delegated (officer decision)
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
Erection of a rear extension to basement, a first floor rear extension and a rear roof extension to convert existing flat into two flats.
- Received
- 27 March 2015
- Decision level
- Delegated (officer decision)
- Council
- London Borough of Hounslow
- Ward
- Chiswick Homefields
- ReceivedReceived27 Mar
- ValidatedValidated
- Consult.Consultation
- TargetTarget Date
- DecidedDecided14 Jul
Decided in 109 days (council typically 56)
About this application
This is a full planning application for a rear extension at 178 CHISWICK HIGH ROAD CHISWICK LONDON W4 1PR. Hounslow has handled 2,372 applications of this type. This one was decided in 109 days, 8 weeks longer than Hounslow's typical decision time. The site is in the Chiswick High Road conservation area. There have been 2 other applications at this address. In the past year there have been 324 applications across Chiswick Homefields. We hold 6,644 applications in total for the W4 postcode area.
76% of full applications at London Borough of Hounslow 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
- W4 1PR
- Application type
- Full Applications
- Scale / size
- Small
Planning application dates
- Validated
- 27 March 2015
Applicant and agent
- Agent address
- 217 Mortlake Road Richmond Surrey TW9 4EW
Additional information
- Documents
- 11
Site constraints
Designations that overlap or adjoin the site outline.
- Flood zone 3: High probability (rivers and sea)
- Conservation area: Chiswick High Road
- Article 4 direction: Change of use or development that would result in new dwellings (Class MA/ZA)+1 more
Possibly incomplete for this council: tree preservation orders.
Also checked, none recorded (21)
flood storage 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.
Planning history at this site
3 other applications at this property, newest first.
- 202628 May
Installation of one externally illuminated fascia sign and one internally illuminated projecting sign.
ApprovedAdvertisement consentP/2026/1598 - 201718 Oct
Installation of one non-illuminated fascia sign, one non-illuminated double sided projecting sign and one…
ApprovedAdvertisement consentP/2017/4416 - 201718 Sep
Erection of a first floor rear extension and a mansard roof extension to create an additional residential…
ApprovedFull ApplicationsP/2017/3980
Source: Hounslow
Contains public sector information from the Planning London Datahub, licensed under the Open Government Licence v3.0.
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Around this site
Nearby applications
- 178 CHISWICK HIGH ROAD CHISWICK LONDON W4 1PRP/2017/3980 · FullApproved0.0 mi
- 178 CHISWICK HIGH ROAD CHISWICK LONDON W4 1PRP/2017/4416 · AdvertisingApproved0.0 mi
- 176 Chiswick High Road Chiswick London W4 1PRP/2010/0175 · FullRefused0.0 mi
- 176 CHISWICK HIGH ROAD CHISWICK LONDON W4 1PRP/2015/2931 · FullApproved0.0 mi
- 176 Chiswick High Road Chiswick London W4 1PRP/2009/2471 · FullApproved0.0 mi
For applicants and trades
Contractors near this project
Find contractors for extensions near this site- Avent Roofing ServicesVerifiedWestminsterRoofing5.0 mi
- Atlas South Technical Service LimitedVerifiedLondonProperty MaintenanceHandyman5.4 mi
- Nova Coat & PlasterVerifiedStreatham, LondonRenovations & RefurbishmentsPlastering6.5 mi
- Bello Electrics LTDVerifiedElectrician8.1 mi
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