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A–D category: Not yet verified.
Predominant function (2025/26): Category C Foreign National
Ministry of Justice performance classification. This describes the stated performance year, not a current A–D category or the categories of every prisoner.
Monthly snapshot: 24 August 2026
Operational capacity is the capacity reported for this prison in the same monthly bulletin.
Official monthly spreadsheet · Ministry of Justice publication
Prison site location
View on the prisons map
Location information checked 13 September 2026.
23 March 2026
Built in the 19th century, Maidstone is one of three jails in the country that specialises in housing foreign national prisoners. Many of the men held were nearing the end of their sentence, and likely to be removed from the UK. Many had arrived at…
15 January 2024
Report on an independent review of progress at HMP Maidstone by HM Chief Inspector of Prisons (20-22 November 2023) Maidstone is a category C prison holding foreign national offenders. Prison leadership was in a state of flux with a third governor in 18 months recently…
23 January 2023
Maidstone is a category C training prison that held 579 foreign national offenders at the time of our inspection, many of whom were likely to be deported at the end of their sentences. The prison is more than 200 years old and some of the…
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