United Kingdom · East of England · March, Cambridgeshire
HMP Whitemoor
Data is aggregated from public sources and may be incomplete or out of date.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 Whitemoor
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).
Dispersal prison holding the highest-security Category A inmates including those convicted of terror offences. Houses one of the prison estate's separation centres.
Background
HM Prison Whitemoor is a Category A men's prison near March, Cambridgeshire, England, operated by His Majesty's Prison Service.
Source: Wikipedia article lead, CC-BY-SA.
Capacity
458
Current population
458
Occupancy
100%
Year opened
1991
Operational
Facility profile
Operator
HM Prison & Probation Service
Population held
male
Opened
1991
Region
East of England
Security level
Maximum
Death-row facility
No
Conditions
HMI noted concerns about radicalisation dynamics in the high-security estate; separation centre opened 2017 as policy response.
Visiting
Pre-approved visits via Prison Visits Booking system.
Mailing
Format: Prisoner Name & Number, HMP Whitemoor, Longhill Road, March, Cambridgeshire PE15 0PR.
Practical info
Visiting families housed at on-site Family Visits Centre run by Pact.
Known issues
January 2020 attack on prison officer led to changes in separation-centre management.
Notable inmates
Various terror-related convicts (names withheld). Historically: Reggie Kray (1990s).
Contact & address
Conditions Risk Score
Derived signal — not a judgement. How it's calculated
- Overcrowding
- 5/30
- Oversight reports
- 0/30
- Structural flags
- 0/15
- Death signals
- 0/15
- Conditions text
- 0/10
What the score is responding to:
- · Operating at 100% of design capacity
Compared to other facilities in United Kingdom
583 peersHigher risk than 75% of peer facilities in United Kingdom.
Data completeness
100%How many of our profile fields are populated. We surface this so families and researchers know the limits.
Sources
- GOV.UK — HMP Whitemoor
- Find a prison — GOV.UK — UK Ministry of Justice / HMPPS
- HM Inspectorate of Prisons — reports — HMI Prisons (UK)
- Wikipedia — Wikimedia Foundation
- See /data-sources for our overall methodology.

