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21 Chiswick High Road, Chiswick, London, W4 2ND

P/2026/0933Householder ApplicationsApproved
Householder

Approved on 24 July 2026

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

Erection of single-storey and part three-storey rear extensions with terrace, rear roof extension and outbuilding in rear garden for garage and home office. Internal alterations for removal of modern stair insertions, retention of historic circulation hierarchy, and repair of surviving fabric. External alterations to the facade including reinstatement of decorative pilasters, and refurbishment of brickwork, windows and front vault to create store. Front roof extension, reinstatement of the ground floor lightwell and basement windows to front elevation and associated works to forecourt, with soft landscaping. Erection of front wall with metal railings and gate. (Listed building P/2026/1052)

Received
20 March 2026
Ward
Chiswick Homefields
  1. Received20 Mar
  2. Validated1 Apr
  3. Consult.1 May
  4. Target
  5. Decided24 Jul

Decided in 114 days (council typically 56)

About this application

This is a full planning application for a garage at 21 Chiswick High Road, Chiswick, London, W4 2ND. Hounslow has handled 2,372 applications of this type. This one was decided in 126 days, 10 weeks longer than Hounslow's typical decision time. The site is in 5 listed buildings nearby. There are no previous applications recorded at this address. In the past year there have been 321 applications across Chiswick Homefields. We hold 6,647 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.Planning something similar? See what gets approved on your street

Application details

Postcode
W4 2ND
Application type
Householder Applications
Scale / size
Small

Planning application dates

Date validated
1 April 2026
Consultation expiry
1 May 2026
Consultation start
7 April 2026
Consultation end
1 May 2026
Application expires
27 May 2026

Planning decision

Statutory period
56 days

Publicity

First advertised
10 April 2026

Additional information

Documents
24

Site constraints

Checking the site
2/3
Council recordsAppealsFlood risk

Designations that overlap or adjoin the site outline.

Possibly incomplete for this council: tree preservation orders.

Also checked, none recorded (20)

flood storage areas, conservation areas, green belt, scheduled monuments, World Heritage Sites, World Heritage Site buffer zones, registered parks and gardens, registered battlefields, 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. 2026
    20 Mar

    Erection of single-storey and part three-storey rear extensions with terrace, rear roof extension and…

    This applicationApprovedFullP/2026/0933
  2. 2026
    20 Mar

    Listed Building application for the erection of single-storey and part three-storey rear extensions with…

    ApprovedListed building consentPart ofP/2026/1052

Source: Hounslow

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

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