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11 Spencer Road, Chiswick, London, W4 3SS

P/2026/1016Householder ApplicationsApproved
Householder

Approved on 9 June 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 a single-storey rear extension, part two-storey rear extension, and a rear roof extension to the house. Installation of air source heat pump in rear garden.

Received
27 March 2026
Ward
Chiswick Homefields
  1. Received27 Mar
  2. Validated1 Apr
  3. Consult.1 May
  4. Target
  5. Decided9 Jun

Decided in 69 days (council typically 56)

About this application

This is a full planning application for a single storey rear extension at 11 Spencer Road, Chiswick, London, W4 3SS. Hounslow has handled 2,372 applications of this type. This one was decided in 74 days, 3 weeks longer than Hounslow's typical decision time. The site is in the Grove Park conservation area. There are no previous applications recorded 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 3SS
Application type
Householder Applications
Scale / size
Small

Planning application dates

Date validated
1 April 2026
Consultation expiry
1 May 2026
Consultation start
1 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
9

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: 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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