Harmondsworth, West Drayton, Middlesex

Colnbrook Residential Short-Term Holding Facility (STHF)

Status

In use

2023

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
18
8

Yes

6 December 2016

United Kingdom

23,970

Migration Detainees

1

Deaths in Detention

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FACILITY NAMES
Colnbrook Residential Short-Term Holding Facility (STHF)
Location

Country: United Kingdom

City & Region: Harmondsworth, West Drayton, Middlesex, Europe

Latitude, Longitude: 51.4826657425, -0.482711792

Contact Information

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


MANAGEMENT & BUDGET

Center Status

Status In use

2023

Status Last documented use

2016

Status In use

2013
Facility type

Category Filter Administrative

Type Immigration detention centre

2011
National typology

Name Short-Term Holding Facility

2015
Management

Name Serco Ltd.

Type Private For-Profit

2011
Custodial Authorities

Agency UK Visas and Immigration

Ministry Home Office

Ministry Typology Interior or Home Affairs

2011
Operating Period

Year of Entry 2004

DETAINEES

Demographics

Name Adult women

2010

Name Adult men

2010
Categories of detainees

Name Undocumented migrants (administrative)

2011

Name Asylum seekers (administrative)

2011
Countries of Origin

Country #1 Brazil

Country #2 India

Country #3 Bulgaria

Country #4 Malaysia

Country #5 Pakistan

2023

SIZE & POPULATION

Capacity (specialised migration-related facility)

Type Standard capacity

Capacity 18

2024

Type Standard capacity

Capacity 80

2009
Reported Single-Day Migration Detainee Population at Facility (day)
Number
Date
8
3
14
2
6
6
2
1
9
11
8
2
6
65
Number of women detained on single day
Number
Date
14
30 September 2022
3
31 December 2022

LENGTH OF DETENTION

Detention Timeframe (long, medium, short)

Length Medium-term (4-20 days)

2011

OUTCOMES

CONDITIONS

CARCERAL INDICATORS

External Security Regime

Secure

2011

STAFF

SEGREGATION

Gender Segregation

Yes

2011

CELLS

COMMUNAL SPACE & ACTIVITIES

HEALTH

Reports of Deaths
Name of deceased individual
Date of death
N.A.
6 December 2016

MONITORING & ACCESS

TELECOMMUNICATIONS