United Kingdom · Harmondsworth
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Colnbrook Immigration Removal Centre is a British immigration detention facility that holds foreign nationals without permission to be in the United Kingdom prior to their deportation from the United Kingdom. It is located in Harmondsworth, London Borough of Hillingdon. Colnbrook, adjacent to Harmondsworth Immigration Removal Centre and London Heathrow Airport, houses only males. Colnbrook, which opened in August 2004, is built to Class B prison standards, making it one of the highest security immigration removal centres in the United Kingdom alongside Brook House. Colnbrook has 308 bed spaces.
Source: Wikipedia article lead, CC-BY-SA.
Capacity
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Current population
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Occupancy
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Year opened
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Operational
Figures from official sources · verified 22 May 2026 · methodology
Operator
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Population held
Mixed/unknown
Opened
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Region
Harmondsworth
Security level
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Death-row facility
No
No conditions summary available yet.
No visiting information available.
No mailing information available.
Contact the operator's website for inmate-specific procedures.
No major issues documented in our database.
No public contact details available.
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Under CC-BY-4.0. Include the URL and access date; the site is a living reference and entries can change.
World Prisons. (2026). Colnbrook Immigration Removal Centre. Retrieved July 21, 2026, from https://worldprisons.com/prisons/colnbrook-immigration-removal-centre
"Colnbrook Immigration Removal Centre." World Prisons. Accessed July 21, 2026. https://worldprisons.com/prisons/colnbrook-immigration-removal-centre.
@misc{worldprisons-colnbrook-immigration-remov,
author = {{World Prisons}},
title = {Colnbrook Immigration Removal Centre},
year = {2026},
url = {https://worldprisons.com/prisons/colnbrook-immigration-removal-centre},
urldate = {2026-07-21}
}