HMP Isis

Isis is a category C prison and young offender institution (YOI) in South East London for men between 18-27.
Address: Belmarsh Way London SE28 0FD UK
Men's Prison Image

Key contacts

Prison switchboard: 020 3356 4000

Visitors’ Centre telephone: 0203 356 4029

Visitors' Centre Opening Hours: 1pm to 5pm Tuesday, Wednesday, Thursday, Saturday and Sunday.

Email Pact: isis@prisonadvice.org.uk 

Safer Custody line: 0203 356 4389

If you have a health concern about someone currently in HMP Isis, please call the Prisoner Health Information and Liaison Line (Call PHILL) on 0117 240 1193 to speak to the health team confidentially. Lines are open 8 am – 8pm Monday to Friday and 8am – 4pm on Saturday.

Guidance for visitors

Visit the gov.uk page for information about:

Family engagement support
Family & Visitors’ Centre 
Charitably funded services
Improving prison healthcare
HMP Example (1)

HMP Isis Family & Visitors' Centre

Pact runs the Family & Visitors’ Centre at this prison, ensuring you a warm welcome when you visit.

Our team supports family members, friends and visitors. This includes emotional and practical support before and after your visit and additional reassurance if it is your first visit or you are particularly anxious about going through the gate.

We can also offer guidance and resources around:

  • Travel and transport
  • Financial assistance for prison visits
  • Signposting to Pact services and other helpful organisations
  • Supporting children and young people affected by imprisonment
  • Raising concerns or making a complaint

Family engagement support

Your Family Engagement Manager is 

Contact number:

If your issue is complex and you need to talk to us in person, please include your number in the email and tell us that you would like a call back. It would also be helpful if you could let us know whether we are able to leave a message if there is no answer. We will aim to get back to you as soon as we possibly can. 

If you have urgent concerns about the welfare of your loved one in prison, please call the prison Safer Custody line directly.

Family Engagement Support

Prisoners' Families Helpline 

You can contact the Prisoners’ Families Helpline for advice and support on all aspects of the criminal justice system.

Call freephone on 0808 808 2003

Open 9am – 8pm Monday to Friday and 10am – 3pm on weekends and bank holidays (exc. Christmas Day and Boxing Day) 

Email the team at info@prisonersfamilies.org (please allow up to 3 days for a response)

The Prisoners’ Families Helpline website also offers a range of information on supporting your loved one in prison.

Make a comment or complaint 

We are committed to putting the people who use our services first. You can offer feedback on any of our services by speaking to a member of our team, submitting a feedback form online, or sending an email to feedback@prisonadvice.org.uk.