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A–D category: Not yet verified.
Official guide description: High security prison
Official guide · Checked 13 September 2026. This wording does not establish an A–D category.
Predominant function (2025/26): Category B
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.
16 May 2023
Located near Market Harborough in Northamptonshire, Gartree is a category B training establishment and part of the prison service’s long-term, high security estate. At the time of our inspection it was holding just under 600 adult men, nearly all of whom were serving indeterminate sentences…
30 October 2020
were supported through regular calls from tutors and assistance from trained peer mentors, and the success rate in the summer exams had been good. There were plans to return prisoners to work and education part time to enable social distancing, but these were not yet…
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