HMP Millsike
Millsike is a privately run male prison in the village of Full Sutton, near York.
- Category
- Category not recorded
- Holds
- Men
- Operator
- Contracted out — operator not stated on GOV.UK
- Region
- England
- Address
- —
- Telephone
- —
- —
- GOV.UK page
- Visiting, sending money and contact details
Population over time
| Date | Held | Certified normal | Occupancy |
|---|---|---|---|
| 28 Aug 2026 | 1,134 | 1,468 | 77.2% |
| 24 Aug 2026 | 1,119 | 1,468 | 76.2% |
| 29 Jun 2026 | 1,114 | 1,468 | 75.9% |
Deaths in custody
The Prisons and Probation Ombudsman investigates every death of a person in custody and publishes a report once the inquest has concluded. Only the title and date are held here; the reports themselves are on the Ombudsman's site and can be distressing to read.
- Fatal incident investigation — prison, July 2026
Prisons and Probation Ombudsman · 6 Aug 2026
- Fatal incident investigation — prison, December 2025
Prisons and Probation Ombudsman · 15 Jan 2026
- Fatal incident investigation — post-release, October 2025
Prisons and Probation Ombudsman · 13 Nov 2025
Inspections, reports and announcements
Nothing linked to this establishment yet. The inspection and announcement feeds run daily.
Record last refreshed 27 Oct 2026. Source: GOV.UK and HM Inspectorate of Prisons, under the Open Government Licence v3.0.