Prisons: Drugs

(asked on 17th September 2025) - View Source

Question to the Ministry of Justice:

To ask His Majesty's Government what plans they have to increase mandatory random drug testing in prisons in England and Wales, and to expand the range of drugs tested for.


Answered by
Lord Timpson Portrait
Lord Timpson
Minister of State (Ministry of Justice)
This question was answered on 25th September 2025

The Government is committed to tackling drug use in prisons, which threatens prison safety and security, undermines our work to rehabilitate prisoners and drives reoffending. We therefore need to have a multi-pronged approach that tackles the supply of drugs, drives down demand and supports recovery – drug testing plays an important role in delivering this.

Random mandatory drug testing (rMDT) forms one part of our wider approach to tackling drug use in prisons. In custody, we also conduct more targeted testing, such as suspicion-based testing, when staff have reason to believe an individual has used drugs illicitly, as well as voluntary testing, which forms part of our approach on our Incentivised Substance Free Living Units, where prisoners sign a compact to remain drug free, receive access to improved conditions compared to a standard wing and are regularly tested. In probation settings, we are expanding our drug testing powers through the Sentencing Bill, meaning that any offender on licence can be tested.

We test for a wide range of substances and keep this under regular review to ensure we identify emerging trends to keep both staff and prisoners safe. Our new drug testing contract supports this by giving us greater flexibility to identify areas for improvement in our drug testing capabilities, ensuring we can keep pace with changing patterns of drug use and target support where it is most needed.

In recent years, levels of rMDT have fallen short across the estate because of staffing constraints, and as a result, volumes have not been sufficient nor consistently high enough to produce publishable data – though results are still used as part of adjudication proceedings. There has been some encouraging progress made in recent months to increase levels, and we will continue to keep performance under close review.

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