United Kingdom · Wales · Cardiff
HMP Cardiff
Data is aggregated from public sources and may be incomplete or out of date.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 HMP Cardiff
Step-by-step guidance using the United Kingdom system — addresses, money services, visit booking, what to bring on your first visit.

Gallery
From Wikimedia Commons (CC-BY-SA where not otherwise stated).

Photo by Richard Sutcliffe via Wikimedia Commons (CC BY-SA 2.0)

Photo by Robin Drayton via Wikimedia Commons (CC BY-SA 2.0)

Photo by mattbuck (category) via Wikimedia Commons (CC BY-SA 3.0)

Photo by Richard Sutcliffe via Wikimedia Commons (CC BY-SA 2.0)

Photo by Eirian Evans via Wikimedia Commons (CC BY-SA 2.0)

Photo by Richard Sutcliffe via Wikimedia Commons (CC BY-SA 2.0)

Photo by Dominic Nelson via Wikimedia Commons (CC BY-SA 4.0)
UK Local prison operated by HM Prison & Probation Service. Listed in the GOV.UK Find a prison directory.
Background
HM Prison Cardiff (Welsh: Carchar Caerdydd EF) is a Category B men's prison, located in the Adamsdown area of Cardiff, Wales. The prison is operated by His Majesty's Prison Service.
Source: Wikipedia article lead, CC-BY-SA.
Capacity
820
Current population
—
Occupancy
—
Year opened
1832
Operational
Facility profile
Operator
HM Prison & Probation Service
Population held
male
Opened
1832
Region
Wales
Security level
High
Death-row facility
No
Conditions
HMI Prisons publishes independent inspection reports on roughly a 3-5 year cycle.
Visiting
Visits booked online via the GOV.UK Prison Visits Booking service. Photo ID required. Visit frequency varies by the inmate's IEP level.
Mailing
Format: Prisoner Name & Number, HMP Cardiff, HMP Cardiff Knox Road Cardiff CF24 0UG See map Help us to improve this page. Give us your feedback in this 2-minute survey .. Use Send Money to a Prisoner (GOV.UK) for funds — cash not accepted.
Practical info
Assisted Prison Visits Unit can help with travel costs for eligible families. Email a Prisoner service is available via the official website.
Known issues
Contact & address
Conditions Risk Score
Derived signal — not a judgement. How it's calculated
- Overcrowding
- 0/30
- Oversight reports
- 0/30
- Structural flags
- 0/15
- Death signals
- 0/15
- Conditions text
- 0/10
Compared to other facilities in United Kingdom
583 peersHigher risk than 0% of peer facilities in United Kingdom.
Data completeness
94%How many of our profile fields are populated. We surface this so families and researchers know the limits.
Sources
- GOV.UK — HMP Cardiff
- GOV.UK Find a prison index
- Wikipedia — Wikimedia Foundation
- Find a prison — GOV.UK — UK Ministry of Justice / HMPPS
- HM Inspectorate of Prisons — reports — HMI Prisons (UK)
- GOV.UK Find a prison — collection — UK Ministry of Justice / HMPPS
- Wikidata — Wikimedia Foundation
- See /data-sources for our overall methodology.