405 Chiswick High Road Chiswick London W4 4AR

P/2009/2045Full ApplicationsPermitted

Full

Proposal

Proposed rear roof extension and installation of one rooflight in front elevation.

Received: 24 August 2009
Decided: 19 October 2009 · Approved
Decision level: Delegated (officer decision)
Council: London Borough of Hounslow
Ward: Turnham Green

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.

ReceivedReceived24 Aug
ValidatedValidated24 Aug
Consult.Consultation
TargetTarget Date
DecidedDecided19 Oct

Decided in 56 days (council typically 56)

8 weeks typical decision time in Hounslow76% of full applications approvedSee what's approved near your address

This is a full planning application for an extension at 405 Chiswick High Road Chiswick London W4 4AR. Hounslow has handled 2,378 applications of this type and approves 77% of them, typically deciding them in 58 days. This one was decided in 56 days. The site is in the Thorney Hedge conservation area. There have been 4 other applications at this address. We hold 6,589 applications in total for the W4 postcode area.

Application Details

Reference

P/2009/2045

Address

405 Chiswick High Road Chiswick London W4 4AR

Postcode

W4 4AR

Local Authority

Hounslow

Application Type

Full Applications

Decision Status

Permitted

Current Status

Approved

Ward

Turnham Green

Applicant & Agent

Agent Address

26 Pournier Street London E1 6QE

Planning Application Dates

Date Received

24 August 2009

Date Decided

19 October 2009

Date Validated

24 August 2009

Date Submitted

24 August 2009

Permission Expires

18 October 2012

Planning Decision

Decision

Approved

Decided By

Delegated

Publicity

Appeal

Additional Information

Coordinates

51.491962, -0.276333

Enriching application data

2/3

Council recordsAppealsFlood risk

Source: Hounslow

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

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Planning history at this site

11 other applications at this property, newest first.

Planning constraints

Designations that overlap or adjoin the site outline.

Conservation area: Thorney Hedge
Article 4 direction: Change of use or development that would result in new dwellings (Class MA/ZA)+1 more
Flood zone 1: Low probability (rivers and sea)

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.

© 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.

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