PIPE units

PIPE units

We get regular calls asking us for information about ‘PIPE’ units, often after the possibility of a referral has come up in discussion with staff. PIPEs, which stands for ‘Psychologically Informed Planned Environments’, are residential environments which are specifically designed to support the progression of people with complex needs and personality related difficulties. They are part of the Offender Personality Disorder Pathway (OPDP) which is a connected set of interventions for people who are likely to meet the criteria for a diagnosis of personality disorder. It is important to note that a diagnosis of personality disorder is not required to be considered eligible for referral to a PIPE.

PIPEs are designed to have a focus on the environment in which they operate; recognising the importance and quality of relationships and interactions. They aim to maximise ordinary situations and to approach these in a psychologically informed way, paying attention to interpersonal difficulties, such as those issues that might be linked to personality disorder. Overall, PIPEs aim to improve the psychological health of participants, improve participants’ quality of relationships and relationship skills, and reduce the likelihood of reoffending.

The PIPE model incorporates some core components which are designed to support and develop individuals living and working within them. Staff working in a PIPE have additional training and clinical supervision to give them a better psychological understanding of their work. This understanding helps them to create a safer and more supportive environment, which can facilitate the development of those who live there. PIPEs will offer both ‘structured’ sessions and less formal ‘socially creative’ sessions in order to provide opportunities for relating and addressing issues that may be affecting progression through the pathway. Regular key worker sessions are also a core part of the model, providing an opportunity to coordinate and reflect upon your involvement on the PIPE, and your plans for the future.

In prison, a PIPE should be housed on a discreet unit, where influences from non-PIPE prisoners, and contact with non-PIPE trained/supported staff, is kept to a minimum. Residents may have to engage with the rest of the prison for activity such as employment or workshops but otherwise contact with non-PIPE staff/residents should be kept to a minimum to help contain and sustain the PIPE environment.

There are four different types of PIPE, each type with a different focus. Whilst some individuals do move from one type of PIPE to another, this is not always the case, or the expectation. There is not a ‘best time’ to go onto a PIPE unit as each person’s circumstances and sentence plan will be different. 

Preparation: PIPEs focus on increasing motivation and readiness for the next phase of the pathway, whilst exploring any barriers there might be to treatment.

Provision: PIPEs are designed to provide a supportive environment to increase engagement with treatment activity, and support residents to actively apply skills and learning achieved through this treatment.

Progression: PIPEs are designed to support residents in consolidating and generalising their treatment gains, putting new skills into practice, and demonstrating improvements in behaviour. 

In the community there are also ‘Approved Premises PIPEs’ which take a whole-premises approach to support effective community reintegration and resettlement. 

At the time of writing there are 15 PIPE units in the men’s prison estate, located in category A, B & C establishments, and 3 PIPE units in the women’s estate. There is also a further 10 PIPE Approved Premises in the community, 3 of which are for women.

Individual suitability for a PIPE should be discussed with your Offender Manager, your key worker, or a psychologist in the first instance. They can then liaise with Units on your behalf and assist with the referral process. 

If you would like us to send you some information about PIPE services please get in contact using the details below.


You can contact our freephone, on 0808 802 0060, on Monday 3pm – 5pm, and Wednesday and Thursday 10.30am – 12.30pm. When we are not taking calls you can still leave a short voicemail. Alternatively, you can write to us at Prison Reform Trust, FREEPOST ND 6125, London EC1B 1PN. As always, we will respond to all enquiries as quickly as we can, by post or email-a-prisoner. 

Please note, the above article focusses on prisons in England and Wales and may not apply elsewhere. 

Ryan Harman - Prison Reform Trust

Ryan Harman - Prison Reform Trust

Ryan Harman is the Advice and Information Service Manager at Prison Reform Trust

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