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5 Chiswick High Road, Chiswick, W4 2ND

P/2025/3285Householder ApplicationsApproved
Householder

Approved on 28 January 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

Retrospective application for various works to the house: Single storey rear infill extension, basement extension with a rear lightwell, installation of a mains wired fire alarm system, new hot water cylinders on the third floor in the eaves, a new boiler to the third floor with flue through existing front roof, renewal of roof covering of main roof as part of dormer and rooflight works, raising the ceiling on the third floor to create the new bathroom and for the two skylights, new lighting, heating and electrics, utility room fit out within basement vaults, new sika waterproof render to walls in utility, new tiled floor and re-roofing the rear extension zinc roof with a fibreglass roof.

Received
30 October 2025
Ward
Chiswick Homefields
  1. Received30 Oct
  2. Validated11 Nov
  3. Consult.2 Jan
  4. Target
  5. Decided28 Jan

Decided in 78 days (council typically 56)

About this application

This is a full planning application for a dormer extension at 5 Chiswick High Road, Chiswick, W4 2ND. Hounslow has handled 2,372 applications of this type. This one was decided in 90 days, 5 weeks longer than Hounslow's typical decision time. The site is in 7 listed buildings nearby. There has been 1 other application 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
11 November 2025
Consultation expiry
2 January 2026
Consultation start
11 November 2025
Consultation end
2 January 2026
Application expires
6 January 2026

Planning decision

Statutory period
56 days

Publicity

First advertised
12 December 2025

Additional information

Documents
17

Site constraints

Checking the site
2/3
Council recordsAppealsFlood risk

Designations that overlap or adjoin the site outline.

  • Flood zone 3: High probability (rivers and sea)
  • Listed building: Grade II: 5-9, Chiswick High Road W4On this site · +2 more
  • 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 (21)

flood storage areas, conservation areas, 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.

Associated applications

  1. 2025
    30 Oct

    Retrospective application for various works to the house: Single storey rear infill extension, basement…

    This applicationApprovedFullP/2025/3285
  2. 2025
    30 Oct

    Listed building consent for retrospective application for various works to the house: Installation of a mains…

    ApprovedListed building consentFiled alongsideP/2025/3331

Source: Hounslow

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

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