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London Road, Isleworth, TW7 4EP

P/2025/3512Approval of details reserved by a condition (discharge)Refused
Discharge / amendments

Refused on 19 January 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

Details of Condition 8 (Internal Water Consumption) submitted pursuant of planning permission 00707/552/P9 (P/2021/1396) dated 27/05/2021 for the conversion of the existing flat with extension to facilitate two self contained flats at first and second floor.

Submitted
27 November 2025
  1. Received27 Nov
  2. Validated
  3. Consult.
  4. Target
  5. Decided19 Jan

Decided in 53 days (council typically 56)

About this application

This is a planning application for an extension at London Road, Isleworth, TW7 4EP. Hounslow has handled 402 applications of this type. This one was decided in 53 days, 3 days quicker than Hounslow's typical decision time. The site is in the Spring Grove conservation area. There have been 3 other applications 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.

91% of approval of details reserved by a condition (discharge) 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 4EP
Application type
Approval of details reserved by a condition (discharge)

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
  • Brownfield land register: 581, London RoadRegister site at or near this address
  • Flood zone 1: Low probability (rivers and sea)

Possibly incomplete for this council: tree preservation orders.

Also checked, none recorded (20)

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 and heritage coasts.

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
    27 Nov

    Details of Condition 8 (Internal Water Consumption) submitted pursuant of planning permission 00707/552/P9

    This applicationRefusedDischarge of conditionsP/2025/3512
  2. 2025
    26 Nov

    Details of Condition 7 (Internal Water Consumption) and Condition 8 (Sustainable Materials) submitted…

    RefusedDischarge of conditionsFiled alongsideP/2025/3545

Source: Hounslow

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

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