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17 Hartington Road, Chiswick, London, W4 3TL

P/2026/1354Householder ApplicationsApproved
Householder

Approved on 17 July 2026

Approximate location: the centre of the postcode, not the exact property.

Proposal

Erection of a part single, part two storey rear extension and a single storey outbuilding to be used as a garden room following the demolition of the existing two storey rear and side extension and single storey garage

Received
5 May 2026
Ward
Chiswick Homefields
  1. Received5 May
  2. Validated12 May
  3. Consult.12 Jun
  4. Target
  5. Decided17 Jul

Decided in 66 days (council typically 56)

About this application

This is a full planning application for demolition at 17 Hartington Road, Chiswick, London, W4 3TL. Hounslow has handled 2,372 applications of this type. This one was decided in 73 days, 2 weeks longer than Hounslow's typical decision time. The site is in the Grove Park conservation area. 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 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 3TL
Application type
Householder Applications
Scale / size
Small

Planning application dates

Date validated
12 May 2026
Consultation expiry
12 June 2026
Consultation start
15 May 2026
Consultation end
12 June 2026
Application expires
7 July 2026

Planning decision

Statutory period
56 days

Publicity

First advertised
22 May 2026
Site notice start
22 May 2026

Additional information

Documents
37

Site constraints

Checking the site
2/3
Council recordsAppealsFlood risk

Designations at the address point. Ones next to the site may also apply.

  • Flood zone 2: Medium probability (rivers and sea)
  • Conservation area: Grove Park
  • 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, 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.

Source: Hounslow

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

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