United Kingdom · York
HM Prison Millsike
Data is aggregated from public sources and may be incomplete or out of date. Always verify with primary sources before acting on any figure. See data sources.
For families
How to send mail, money, and visit HM Prison Millsike
Step-by-step guidance using the United Kingdom system — addresses, money services, visit booking, what to bring on your first visit.
Background
HM Prison Millsike, situated in the East Riding of Yorkshire and opened in 2025, was built by Kier and commenced with a 10 year operational contract by Mitie Care & Custody.
Source: Wikipedia article lead, CC-BY-SA.
Capacity
—
Current population
—
Occupancy
—
Year opened
—
Operational
Facility profile
Operator
Mitie
Population held
Mixed/unknown
Opened
—
Region
York
Security level
—
Death-row facility
No
Conditions
No conditions summary available yet.
Visiting
No visiting information available.
Mailing
No mailing information available.
Practical info
Contact the operator's website for inmate-specific procedures.
Known issues
No major issues documented in our database.
Contact & address
No public contact details available.
Conditions Risk Score
Derived signal — not a judgement. How it's calculated
Data completeness
30%How many of our profile fields are populated. We surface this so families and researchers know the limits.
Sources
- Wikidata — Wikimedia Foundation
- Wikipedia — Wikimedia Foundation
- OpenStreetMap — OpenStreetMap Contributors
- See /data-sources for our overall methodology.