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A–D category: Not yet verified.
Predominant function (2025/26): Category C Trainer/Resettlement
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
Approximate postcode location
View on the prisons map
Location information checked 13 September 2026.
2 December 2025
With scores of reasonably good across all four of our healthy prison assessments, this was a positive inspection of a well-run category C training and resettlement prison. Northumberland held a population of 1,223 men that included more than 400 prisoners convicted of a sexual offence.…
14 December 2022
An amalgamation of the former Acklington and Castington prisons, HMP Northumberland is a large category C training and resettlement prison. Two years after the merger, in 2013, the prison’s operation was contracted out to the private company, Sodexo. An expansive site comprising a range of…
16 October 2020
HMP Northumberland is a category C male prison with a strong emphasis on constructive employment. Over 1,300 prisoners are accommodated in 16 house blocks over a large area. There was a prompt and active response by managers at the beginning of the COVID-19 restricted regime…
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