List of United Kingdom prisons

List of prisons in the United Kingdom is a list of all 150 current and a number of historical prisons in England and Wales, Northern Ireland and Scotland.

Public Sector prisons in England and Wales are managed by Her Majesty's Prison Service (HMPS), which is part of the National Offender Management Service, an executive agency of the United Kingdom government. In addition, since the 1990s the day-to-day running of a number of previously existing prisons, as well as several new facilities, has been "contracted out" to private companies, such as Serco and G4S. All prisons in England and Wales, whether publicly or privately run, are inspected by Her Majesty's Inspectorate of Prisons.

There are also "Immigration Removal Centres" run by the UK Border Agency.

The following table lists all prisons and Young Offender Institutions in use in England and Wales as of the 2010s. All house adult males, and are operated by Her Majesty's Prison Service unless noted otherwise. Adult offenders are persons aged 21 or over, Young Offenders are persons aged between 18-20, and Youth/Juvenile Offenders are persons aged between 10-17. However, some offenders aged between 15-17 are placed in Young Offender Institutions in certain cases, due to capacity, risk and other factors.

As of 2016, the prison population of the UK (England & Wales, Scotland and Northern Ireland combined) is around 86,000, with a total capacity of around 88,000. The total UK prisoner population is expected to hit 90,000 by 2020.

Aldington (HM Prison Aldington) Aldington, Kent Closed 1999

The following table lists the three active prisons in Northern Ireland. All three are operated by the Northern Ireland Prison Service. There is also a Juvenile Justice Centre, located in Bangor, County Down, which is operated by the Youth Justice Agency. It is also used as a prison officer training centre.

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