HMP Millsike

StageOpened 28 March 2025; run by Mitie Care and Custody
Next milestoneNone announced; in operation
Last checked1 November 2026

Source: GOV.UK (MoJ), New 1,500-place prison opens as government grips crisis →

What has changed on this project, and when

Next milestone: None announced; in operation2 November 2026 · previously: Phased population build-up to full 1,500 capacity.
Stage: Opened 28 March 2025; run by Mitie Care and Custody2 November 2026 · previously: operational
Value: Not disclosed2 November 2026 · previously: New Prisons Programme build (~£300m+)

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