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35 The Grove, Isleworth, TW7 4JT

P/2026/1044Non-Material Minor Amendment to an existing Planning ApplicationRefused
Discharge / amendments

Refused on 21 April 2026

Council decision: NMA REFUSED

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 alter the two rear windows into a single large window, with changes to the doors and roof windows following permission P/2025/3131 dated 24/12/2025 for Erection of two storey side extension, single storey rear extension and part first floor rear extension following the demolition of the existing side garage.

Received
30 March 2026
Ward
Osterley & Spring Grove
  1. Received30 Mar
  2. Validated30 Mar
  3. Consult.30 Mar
  4. Target
  5. Decided21 Apr

Decided in 22 days (council typically 56)

About this application

This is an application to amend a permission at 35 The Grove, Isleworth, TW7 4JT. Hounslow has handled 200 applications of this type. This one was decided in 22 days, 5 weeks quicker than Hounslow's typical decision time. The site is in the Spring Grove conservation area, with 1 listed building nearby. There has been 1 other application at this address. In the past year there have been 215 applications across Osterley & Spring Grove. We hold 894 applications in total for the TW7 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.Planning something similar? See what gets approved on your street

Application details

Postcode
TW7 4JT
Application type
Non-Material Minor Amendment to an existing Planning Application
Scale / size
Small

Planning application dates

Date validated
30 March 2026
Consultation expiry
30 March 2026
Consultation end
30 March 2026
Application expires
27 April 2026

Planning decision

Statutory period
28 days

Additional information

Documents
6

Site constraints

Checking the site
2/3
Council recordsAppealsFlood risk

Designations that overlap or adjoin the site outline.

  • Conservation area: Spring Grove
  • Article 4 direction: Dwellinghouses (C3) to small HMOs (C4) - borough-wide Article 4 Direction
  • Flood zone 1: Low probability (rivers and sea)

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. 2026
    30 Mar

    Non Material Amendment to alter the two rear windows into a single large window, with changes to the doors…

    This applicationRefusedNon-material amendmentP/2026/1044
  2. 2026
    13 Feb

    Details of materials submitted pursuant to Condition 3 of permission P/2025/3131

    ApprovedDischarge of conditionsP/2026/0523
  3. 2025
    17 Oct

    Erection of two storey side extension, single storey rear extension and part first floor rear extension…

    ApprovedHouseholderPart ofP/2025/3131

Source: Hounslow

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

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