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Welcome to HMI Prisons.

Our inspections help to make sure that detention in the UK is safe, decent and prepares people for returning to society.

Find out more: Who we are – HM Inspectorate of Prisons


Chief Inspector: act now to improve woeful levels of activity in prisons and reduce demand for drugs

‘In his final Annual Report, Charlie Taylor describes how long lock up times and poor regimes – which have barely improved since he first took up the role during the pandemic – are causing frustration, boredom and despair. This is fuelling a demand for drugs and contributing to high rates of rates of violence and self-harm. ‘

Graphic on a burgundy gradient background featuring the HM Inspectorate of Prisons logo and a portrait photograph of HM Chief Inspector of Prisons, Charlie Taylor. Next to him is a quote stating "At a cost of £59k a year for each prison place the taxpayer has the right to expect more for their money. In the best jails prisoners live in an environment with clear rules, where they are incentivised to behave. We know that if they are supported to get work on release, recover from drug addiction and maintain meaningful relationships, it is possible to reduce their likelihood of reoffending and, crucially, create fewer victims of crime. For the first time in years, the prison service has some much-needed space in the estate. Now is the time to act and deliver much-needed long-term change.”

Letter to Ministers from Chief Inspectors of Prisons and Ofsted: 10 years on from the Coates Review

‘There is a clear link between education and reducing reoffending. Research and analysis that the Ministry of Justice published in 2025 highlights that “prisoners who take on any form of learning activity have a significantly lower reoffending rate on release from prison than their peers.” Put simply, the public is safer if prisoners are engaged in education.’


Watch Charlie Taylor’s Longford Lecture (from 27.38)

We need a prison service that reorients itself towards rehabilitation – helping prisoners to recover from addiction and giving them the skills and the training to go out to work successfully on release. We should actively and assertively disrupt organised crime gangs. And we need to trust our governors to run their jails… so they can get on with job.
HM Chief Inspector of Prisons, Charlie Taylor


Fit for purpose or falling apart? A review of living conditions in prison

Overcrowding, poor sanitation, deteriorating infrastructure and long delays to essential maintenance are causing persistent problems across the prison estate, rendering much of it inadequate.

The report analysed inspections of 40 prisons and more than 6,400 prisoner surveys. Around half of the prisoners surveyed lived in accommodation built before the 1980s that had never been significantly refurbished since its construction.

‘In March we published ‘Hardly working out: barriers to physical education in prisons’[1]. This paper highlighted the situation in adult prisons, but children in young offender institutions (YOIs) often experience similar difficulties with access. HMI Prisons researcher, Alicia Grassom, explains why.’
In the last three months the UK has experienced record-breaking temperatures, high humidity and frequent severe weather warnings. But what happens when lots of people are locked up together in these conditions? Inspector Rachel Badman explores how intense and prolonged heatwaves are affecting prisons and the people who live and work in them.

Women’s experience of immigration detention

Although individual inspections of immigration detention generally find reasonably positive outcomes for women, concerns around safety and safeguarding persist… While 55 were held at Derwentside, a removal centre specifically for women, many were co-located in facilities with men, where they were often restricted to small areas and had to be escorted by staff. Some women told inspectors that they felt unsafe in these shared facilities, and some said they had received sexualised comments from men. 


Find out more about the different areas of our work

Men’s prisons

We inspect every type of men’s prison in England and Wales, from high security to open prisons, private and public sector. Find out about how we inspect and read our reports on men’s prisons.

Women’s prisons

Women make up less than 4% of the prison population. Read our Expectations for the treatment of and conditions for women, and our reports on women’s prisons.

Children’s detention

We inspect each establishment in which children are detained every year either for a full inspection or an independent review of progress. Read our reports on detention for children.

Immigration detention

Read reports on our inspections of different types of immigration detention: immigration removal centres, short-term holding facilities and escorted flights removing people from the country.