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HMP Cardiff

Cardiff Prison is a men’s prison in the centre of Cardiff, Wales.

Category
Category not recorded
Holds
Not recorded
Operator
HMPPS
Region
Wales
Address
HMP Cardiff Knox Road Cardiff CF24 0UG
Telephone
0300 303 2301
Email
HMPPSvisitbooking@justice.gov.uk
GOV.UK page
Visiting, sending money and contact details

Population over time

DateHeldCertified normalOccupancy
28 Aug 2026750513146.2%
24 Aug 2026711513138.6%
29 Jun 2026589513114.8%

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.

Inspections, reports and announcements

Record last refreshed 27 Oct 2026. Source: GOV.UK and HM Inspectorate of Prisons, under the Open Government Licence v3.0.