155 Chiswick High Road, London, W4 2DT

P/2026/0637Non-Material Minor Amendment to an existing Planning ApplicationApproved

Discharge / amendments

Approved on 31 March 2026

Council decision: NMA APPROVED

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

Non material amendment to incorporate relocation of plant room and creation of a new access door, detailing to the East Elevation, rooflights size adjustments and reconstruction of chimneys following permission P/2024/2338 dated 17/01/2025 for Conversion of the existing unit on the ground floor into two commercial units incorporating the conversion of the rear garage to commercial space. Erection of a two storey rear extension to facilitate the change of use of the existing commercial unit on the first and second floor into three self contained flats. Installation of one front and one side roof window, solar panels on the roof and side elevation windows.

Received: 24 February 2026
Council: London Borough of Hounslow
Ward: Chiswick Homefields

ReceivedReceived24 Feb
ValidatedValidated24 Feb
Consult.Consultation24 Feb
TargetTarget Date
DecidedDecided31 Mar

Decided in 35 days (council typically 56)

About this application

This is an application to amend a permission at 155 Chiswick High Road,London,W4 2DT. Hounslow has handled 200 applications of this type. This one was decided in 35 days, 3 weeks quicker than Hounslow's typical decision time. The site is in the Chiswick High Road conservation area, with 1 listed building nearby. There has been 1 other application 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 amendment 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 2DT
Application type: Non-Material Minor Amendment to an existing Planning Application
Scale / size: Small

Planning application dates

Date validated: 24 February 2026
Consultation expiry: 24 February 2026
Consultation end: 24 February 2026
Application expires: 24 March 2026

Planning decision

Statutory period: 28 days

Additional information

Documents: 8

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)
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.

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

2026
27 Aug
Variation of Condition 9 ( Internal water usage) to the flats hereby approved, shall be fitted to ensure that…
ApprovedVariation of conditions (s73)P/2026/2453
2026
1 Jul
Non material amendment to allow the revision of the internal dimensions of the plant room and bike store at…
ApprovedNon-material amendmentAmendmentP/2026/1944
2026
14 Apr
Details of Construction Logistics Plan submitted pursuant to condition 7 of planning permission P/2024/2338
ApprovedDischarge of conditionsP/2026/1146
2026
24 Feb
Non material amendment to incorporate relocation of plant room and creation of a new access door, detailing…
This applicationApprovedNon-material amendmentP/2026/0637
2024
11 Jul
Conversion of the existing unit on the ground floor into two commercial units incorporating the conversion of…
ApprovedPF-Full ApplicationsPart ofP/2024/2338

Source: Hounslow

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

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