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United Kingdom · London · London

HMP Pentonville

YOIHighmaleOvercrowded (137%)ModerateHigh
Verified 22 May 2026 · Data dated 1 Apr 2024
Fresh · 7d ago

Data is aggregated from public sources and may be incomplete or out of date.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 Pentonville

Step-by-step guidance using the United Kingdom system — addresses, money services, visit booking, what to bring on your first visit.

Open toolkit
Photograph of HMP Pentonville

UK YOI prison operated by HM Prison & Probation Service. Listed in the GOV.UK Find a prison directory.

Background

HM Prison Pentonville (informally "The Ville") is an English Category B men's prison, operated by His Majesty's Prison Service. Pentonville Prison is not in Pentonville, but is located further north, on the Caledonian Road in the Barnsbury area of the London Borough of Islington, north London.

Source: Wikipedia article lead, CC-BY-SA.

Capacity

906

Current population

1,240

Occupancy

137%

Year opened

1842

Operational

Facility profile

Operator

HM Prison & Probation Service

Population held

male

Opened

1842

Region

London

Security level

High

Death-row facility

No

Conditions

HMI Prisons has repeatedly described Pentonville as among the worst-performing local prisons. 2024 inspection found high rates of self-harm and inter-prisoner violence.

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 Pentonville, HMP/YOI Pentonville Caledonian Road London N7 8TT 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

Two prisoners escaped in 2016 — first such escape from Pentonville since 1995. Recommendation 'urgent' notification issued by HMI in 2018.

Notable inmates

Crippen (1910), Oscar Wilde (briefly, 1895), George Blake (escaped 1966), Andy Coulson.

Contact & address

HMP/YOI Pentonville Caledonian Road London N7 8TT See map Help us to improve this page. Give us your feedback in this 2-minute survey ., London N7 8TT

Conditions Risk Score

Derived signal — not a judgement. How it's calculated

17/100
Moderate concern17/100
Overcrowding
12/30
Oversight reports
0/30
Structural flags
5/15
Death signals
0/15
Conditions text
0/10

What the score is responding to:

  • · Operating at 137% of design capacity
  • · Substantial documented known-issues record

Trend over time

Population and occupancy by year. Source: official corrections statistics + oversight reports.

Population held

2018: 1,100+12.7%2024: 1,240

Occupancy %

2018: 121.0%+13.2%2024: 137.0%

Compared to other facilities in United Kingdom

583 peers
Conditions risk scorethis: 17/100 · peers avg: 4/100 (+360%)

Higher risk than 93% of peer facilities in United Kingdom.

Occupancythis: 137% · peers avg: 109% (+25%)
Capacity (beds)this: 906 · peers avg: 631 (+44%)

Data completeness

100%

How many of our profile fields are populated. We surface this so families and researchers know the limits.

Sources