Harmondsworth, West Drayton, Middlesex

Colnbrook Residential Short-Term Holding Facility (STHF)

Status

Last documented use

2016

Type: Immigration detention centre (Administrative)

Custodial Authority: UK Visas and Immigration

Management: Serco Ltd. (Private For-Profit)

Detains: Adult women, Adult men, Asylum seekers (administrative), Undocumented migrants (administrative)

Capacity Reported population Deaths at facility
80
65

2011

Yes
United Kingdom

23,970

Immigration detainees (2020)

4,270

Estimated detention capacity (2015)

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GENERAL CHARACTERISTICS

Contact Information

Address: Colnbrook STHF Colnbrook Bypass Harmondsworth West Drayton Middlesex UB7 0FX UK


Center status

Status Last documented use

2016

Status In use

2013
GDP facility typology

Category Filter Administrative

Type Immigration detention centre

2011
National typology

Name Short-Term Holding Facility

2015
Operating period

Year of Entry 2004

Year Ceased

OPERATIONAL CHARACTERISTICS

Management

Name Serco Ltd.

Type Private For-Profit

2011
Security Regime

Security Level Secure

2011
Maximum official detention period at facility

Length Medium-term (4-20 days)

2011
Demographics

Name Adult women

2010

Name Adult men

2010
Categories of detainees

Name Asylum seekers (administrative)

2011

Name Undocumented migrants (administrative)

2011
Gender segregation

Gender Segregation Yes

2011
Estimated capacity (administrative immigration detention facility)

Type Standard capacity

Capacity 80

2009
Reported population at a specific time

Number 65

2011
Reported deaths at this facility

Reported deaths? Yes

2016
Outsourced services and non-state actors
Armed guards
Reported overstays at facility
Estimated average detention period (days)
Legal segregation
Family segregation
Age segregation
Capacity reserved for immigration detainees (criminal facility)
Occupancy rate
Total number of detainees (year)
Average daily population
Reported overpopulation
Inspection grade
Reports of adequate or inadequate conditions
Specially trained personnel
Mistreatment complaints
Access by international organizations, civil society, national institutions
Family access
Consular access
Reports of attempted or successful suicides at this facility

BUREAUCRATIC CHARACTERISTICS

Custodial authority

Agency UK Visas and Immigration

Ministry Home Office

Ministry Typology Interior or Home Affairs

2011
Facility owner
Estimated cost per detainee day at facility (in USD)
Estimated annual facility budget (in USD)
Area of authority or operations