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Lakeside Mental Health Unit, West Middlesex Hospital, Twickenham Road, Isleworth, Hounslow, TW7 6AF

P/2024/2446PF-Full ApplicationsApproved
Full

Approved on 23 September 2024

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

Proposal

Proposed new anti-climb fences and gates to surround three existing external fire escape staircases on the eastern wing of Lakeside Mental Health Unit.

Received
20 July 2024
Ward
Syon & Brentford Lock
  1. Received20 Jul
  2. Validated30 Jul
  3. Consult.11 Sep
  4. Target
  5. Decided23 Sep

Decided in 55 days (council typically 56)

About this application

This is a full planning application at Lakeside Mental Health Unit, West Middlesex Hospital, Twickenham Road,Isleworth,Hounslow,TW7 6AF. Hounslow has handled 2,372 applications of this type. This one was decided in 65 days, 9 days longer than Hounslow's typical decision time. There are no previous applications recorded at this address. We hold 894 applications in total for the TW7 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
TW7 6AF
Application type
PF-Full Applications
Scale / size
Small

Planning application dates

Date validated
30 July 2024
Consultation expiry
11 September 2024
Consultation start
1 August 2024
Consultation end
11 September 2024
Application expires
24 September 2024

Planning decision

Statutory period
56 days

Publicity

Site notice start
21 August 2024

Additional information

Documents
20

Site constraints

Checking the site
2/3
Council recordsAppealsFlood risk

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

  • 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 (22)

flood storage areas, conservation 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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