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16 Gainsborough Road, Chiswick, Hounslow, W4 1NJ

P/2025/2379Householder ApplicationsApproved
Householder

Approved on 29 September 2025

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 basement extension with front light well

Received
4 August 2025
Ward
Chiswick Homefields
  1. Received4 Aug
  2. Validated4 Aug
  3. Consult.29 Aug
  4. Target
  5. Decided29 Sep

Decided in 56 days (council typically 56)

About this application

This is a full planning application for an extension at 16 Gainsborough Road,Chiswick,Hounslow,W4 1NJ. Hounslow has handled 2,372 applications of this type. This one was decided in 56 days. The site is in the Bedford Park conservation area, with 2 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 1NJ
Application type
Householder Applications
Scale / size
Small

Planning application dates

Date validated
4 August 2025
Consultation expiry
29 August 2025
Consultation start
5 August 2025
Consultation end
29 August 2025
Application expires
29 September 2025

Planning decision

Statutory period
56 days

Publicity

First advertised
8 August 2025

Additional information

Documents
19

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: Bedford Park+1 more
  • Article 4 direction: Article 4(2) directions for Bedford Park and Gunnersbury Conservation areas+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.

© 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
    23 Dec

    Details of Condition 5 (Construction Method Statement) and Condition 6 (Construction Logistics Plan)…

    ApprovedDischarge of conditionsP/2025/3815
  2. 2025
    4 Aug

    Erection of a basement extension with front light well

    This applicationApprovedFullP/2025/2379

Planning history at this site

5 other applications at this property, newest first.

  1. 2025
    12 Mar

    Non-Material amendment to replace the current casement windows with a Juliet balcony following permission…

    ApprovedNon-material amendmentP/2025/0778
  2. 2025
    5 Mar

    Non material amendment to allow the installation of a conservation roof light above the landing following…

    ApprovedNon-material amendmentP/2025/0678
  3. 2025
    5 Mar

    Non Material Amendment to allow the creation of a box roof to interconnect the new proposed dormer with the…

    ApprovedNon-material amendmentP/2025/0677
  4. 2025
    5 Mar

    Non material amendment to replace the existing stained glass front entrance door with a solid wood door of…

    WithdrawnNon-material amendmentP/2025/0679
  5. 2025
    17 Feb

    Enlargement of the existing cellar to create a part basement

    ApprovedHouseholderP/2025/0138

Source: Hounslow

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

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