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Harmondsworth Immigration Detention Centre Colnbrook By-Pass Longford

8190/APP/2026/264FullApproved

Approved on 10 March 2026

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

Proposal

Installation of generator (Application for a Certificate of Lawful Development for a Proposed Development)

Received
30 January 2026
Ward
H/ROW VILLAGES 2022
  1. Received30 Jan
  2. Validated30 Jan
  3. Consult.
  4. Target27 Mar
  5. Decided10 Mar

Decided in 39 days (council typically 56)

About this application

This is a full planning application at HARMONDSWORTH IMMIGRATION DETENTION CENTRE COLNBROOK BY-PASS LONGFORD. Hillingdon has handled 4,983 applications of this type. This one was decided in 39 days, 2 weeks quicker than Hillingdon's typical decision time. The site is in the Longford Village conservation area, with 6 listed buildings nearby. There has been 1 other application at this address. In the past year there have been 86 applications across H/ROW VILLAGES 2022.

87% of full applications at London Borough of Hillingdon 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

Application type
Full
Scale / size
Small

Planning application dates

Date validated
30 January 2026
Target decision date
27 March 2026

Applicant and agent

Agent address
Mrs Ugne Checkett 1 Colmore Square Birmingham B4 6AJ

Planning decision

Statutory period
56 days

Additional information

Documents
9

Site constraints

Checking the site
2/3
Council recordsAppealsFlood risk

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

Possibly incomplete for this council: tree preservation orders.

Also checked, none recorded (19)

flood storage areas, green belt, scheduled monuments, World Heritage Sites, World Heritage Site buffer zones, registered parks and gardens, registered battlefields, 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 Jan

    Installation of generator (Application for a Certificate of Lawful Development for a Proposed Development)

    This applicationApprovedFull8190/APP/2026/264
  2. 2026
    26 Jan

    Erection of a security fence to extend the existing compound to enclose the new generator.

    ApprovedFullFiled alongside8190/APP/2026/201

Source: Hillingdon

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

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