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Data is aggregated from public sources and may be incomplete or out of date.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

Holds male juveniles (15-17) and young adults (18-21). Two distinct wings — Feltham A (juveniles) and Feltham B (young adults).
Background
Feltham Young Offenders Institution (more commonly known as HM Prison & YOI Feltham) is a prison for adult males over 18 and juveniles between 15 and 18, occupying 0.184 square kilometres (45 acres) south-west of Feltham in the London Borough of Hounslow, in west London, England. It is operated by His Majesty's Prison Service.
Source: Wikipedia article lead, CC-BY-SA.
Capacity
510
Current population
—
Occupancy
—
Year opened
1859
Operational
Figures from official sources · verified 22 May 2026 · methodology
Facility profile
Operator
HM Prison & Probation ServicePopulation held
male
Opened
1859
Region
South East England
Security level
High
Death-row facility
No
Conditions
HMI Prisons publishes independent inspection reports on roughly a 3-5 year cycle.
Visiting
Booked online via the GOV.UK Prison Visits Booking system. Photo ID required. Visit frequency depends on the inmate's Incentives & Earned Privileges (IEP) level.
Mailing
Format: Prisoner Name & Number, HMP/YOI Feltham, Bedfont Road, TW13 4ND. Cash not accepted — use Send Money to a Prisoner (GOV.UK).
Practical info
Assisted Prison Visits Unit helps low-income families with travel costs. Pact runs many of the on-site visitor centres.
Known issues
HMI Prisons Urgent Notification (2019) over the use of force and conditions in Feltham A.
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
- 3/10
What the score is responding to:
- · Severe-conditions keyword in sources
This facility scores 3. The national average across 584 scored United Kingdom facilities is 4 — 1 points below national average.
Related facilities
Same country, matched on type + security level where possible.
- HMP PentonvilleLondonHighYOI137% occupancy
- HMP AylesburyBucksHighYOI
- HMP WoodhillBuckinghamshireMaximumYOI
- HMP/YOI WerringtonStoke-on-TrentMediumYOI
- HMP Stoke HeathShropshireMediumYOI
- Parc Prison and Young Offender InstituteMediumYOI
Compared to other facilities in United Kingdom
583 peersHigher risk than 73% 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 â HMP/YOI Feltham
- HMI Prisons inspection reports
- Wikipedia — Wikimedia Foundation
- Find a prison â GOV.UK — UK Ministry of Justice / HMPPS
- HM Inspectorate of Prisons â reports — HMI Prisons (UK)
- Wikidata (Q4482485)
- Wikipedia
- Wikimedia Commons
- See /data-sources for our overall methodology.
Cite this page
Under CC-BY-4.0. Include the URL and access date; the site is a living reference and entries can change.
World Prisons. (2026). HMP/YOI Feltham. Retrieved October 20, 2026, from https://worldprisons.com/prisons/hmp-feltham
"HMP/YOI Feltham." World Prisons. Accessed October 20, 2026. https://worldprisons.com/prisons/hmp-feltham.
@misc{worldprisons-hmp-feltham,
author = {{World Prisons}},
title = {HMP/YOI Feltham},
year = {2026},
url = {https://worldprisons.com/prisons/hmp-feltham},
urldate = {2026-10-20}
}