HMP Onley
HMP Onley is a Category C adult male prison with a capacity of 742 inmates. Initially constructed as a borstal in 1968, it primarily housed young offenders for three decades. In 2004, the facility transitioned to holding adult prisoners. Since 2013, HMP Onley has operated as a resettlement prison, assisting inmates in reintegrating into the Greater London area.
Visiting Information for HMP Onley
Booking a Visit:
- Visits can be booked by telephone or email.
- Booking Line: 01788 523 402 (Open Monday to Friday, 10am to 12:45pm and 1:15pm to 4pm)
Visiting Times:
- Monday: 2pm to 3:30pm
- Wednesday to Sunday: 2pm to 3:30pm
- No visits on Tuesdays
For more information, please visit prisonguide.co.uk.