
HM Prison Altcourse is a Category A/B men's private prison and Young Offender Institution in the Fazakerley area of Liverpool in Merseyside, England. The prison is operated by G4S.

HM Prison Askham Grange is a women's open category prison, located in Askham Richard village in North Yorkshire, England. The prison is run by Her Majesty's Prison Service.

Her Majesty's Young Offender Institution (HMYOI) Aylesbury is a Young Offender Institution situated in Aylesbury, Buckinghamshire, England. It is located on the north side of the town centre, on Bierton Road and is operated by Her Majesty's Prison Service.

HMP Bronzefield is an adult and young offender female prison located on the outskirts of Ashford in Middlesex, England. Bronzefield is the only purpose-built private prison solely for women in the UK, and is the largest female prison in Europe. The prison is operated by Sodexo Justice Services.

HM Prison Chelmsford is a Category B men's prison and Young Offenders Institution, located in Chelmsford, Essex, England. The prison is operated by Her Majesty's Prison Service.

Feltham Young Offenders Institution is a prison for male juveniles and Young Offenders Institution, occupying 0.184 square kilometres south-west of Feltham in the London Borough of Hounslow, in west London, England. It is operated by Her Majesty's Prison Service.

HM Prison Glen Parva was an adult male prison and Young Offenders Institution, located in Glen Parva, Leicestershire, England. Glen Parva was operated by Her Majesty's Prison Service.

HM Prison Hatfield is a Category D men's prison and Young Offenders Institution, located near Hatfield Woodhouse in South Yorkshire, England. The prison is operated by Her Majesty's Prison Service

HM Prison Holloway was a closed category prison for adult women and young offenders in Holloway, London, England, operated by Her Majesty's Prison Service. It was the largest women's prison in western Europe, until its closure in 2016.

HM Prison Isis is a Category C male Young Offenders Institution, located in the Thamesmead area of the Royal Borough of Greenwich, in south-east London, England. Isis Prison is operated by Her Majesty's Prison Service, and is situated next to Belmarsh Prison and Thameside Prison.

HM Prison Lancaster Farms is a category C male prison, located on the outskirts of Lancaster, Lancashire, England. The prison is operated by Her Majesty's Prison Service, and is part of the HMP North Lancashire and Cumbria Estate.

HM Prison Norwich is a Category B/C multi-functional prison for adult and juvenile males, located on Mousehold Heath in Norwich, Norfolk, England. The prison is operated by Her Majesty's Prison Service.

HM Prison Portland is a male Adult/Young Offenders Institution in the village of The Grove on the Isle of Portland, in Dorset, England. It is operated by Her Majesty's Prison Service. The prison was originally opened in 1848 as an adult convict establishment, before becoming a Borstal in 1921, and a YOI in 1988. In 2011 it became an Adult/Young Offenders establishment.
HM Prison Rochester is a male Young Offenders Institution, founded in 1870, and located in the Borstal area of Rochester in Kent, England. The prison is operated by Her Majesty's Prison Service, and is located next to HMP Cookham Wood.

HM Prison Styal is a Closed Category prison for female adults and young offenders in Styal, Cheshire, England. The prison is operated by Her Majesty's Prison Service.

HM Prison Thorn Cross is a Category D Adult Male Institution for males aged 21+. The prison is located in the village of Appleton Thorn in Cheshire, England. Thorn Cross is operated by Her Majesty's Prison Service.