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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.
20 April 2026
This unannounced inspection of HMP and YOI Portland took place at a time when the prison was experiencing a period of change. Much of the senior leadership team had transformed since our last full inspection in 2022, but the governor, now two years into post,…
4 November 2022
Portland is a medium sized category C training and resettlement prison in South Dorset, which at the time of our inspection held 512 prisoners. The jail had a young population of which 14% were under 21, and nearly half were under 30. When HMI Prisons…
16 January 2020
This report records HM Inspectorate of Prisons’ unannounced inspection of HMP/YOI Portland from 29 July to 9 August 2019. It assesses safety, respect, purposeful activity, and rehabilitation and release planning, and records the inspectors’ findings and recommendations for the prison. The report is accompanied on…
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