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United Kingdom · Harmondsworth

Colnbrook Immigration Removal Centre

Low
Verified
Aging · 5mo ago
Sources last reviewed on

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Background

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

Facility profile

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

Conditions

No conditions summary available yet.

Visiting

No visiting information available.

Mailing

No mailing information available.

Practical info

Contact the operator's website for inmate-specific procedures.

Known issues

No major issues documented in our database.

Contact & address

No public contact details available.

Conditions Risk Score

Derived signal — not a judgement. How it's calculated

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Insufficient data
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Data completeness

16%

How many of our profile fields are populated. We surface this so families and researchers know the limits.

Sources

Cite this page

Under CC-BY-4.0. Include the URL and access date; the site is a living reference and entries can change.

APA
World Prisons. (2026). Colnbrook Immigration Removal Centre. Retrieved October 23, 2026, from https://worldprisons.com/prisons/colnbrook-immigration-removal-centre
Chicago
"Colnbrook Immigration Removal Centre." World Prisons. Accessed October 23, 2026. https://worldprisons.com/prisons/colnbrook-immigration-removal-centre.
BibTeX
@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 = {2026-10-23}
}