Source · IMB Annual Report

Winchester

Year: 2025 Published: 17 Sep 2025 Type: Prison · Cat YOI, B, C, local, reception, resettlement Population: 629 Recommendations: 9 Key concerns Positive findings

HMP/YOI Winchester continues to face significant challenges including persistent overcrowding, staffing pressures, dilapidated infrastructure, and high levels of self-harm and violence. Despite these issues, the Board notes staff professionalism and adaptive responses, particularly in addressing the HMIP Urgent Notification. The prison is making positive efforts towards improvement, with some progress in repairs and adapting the regime, though key concerns like illicit substance ingress and healthcare provision persist.

Safety statistics

Incidents during reporting year
IndicatorThis yearPrevious
Deaths in custody5
Self-harm incidents784795
ACCT cases opened276600
Prisoner assaults273289
Assaults on staff148233
Use of force9601,043

Positive findings

Winchester staff at every level remain professional, responsive and adaptive in pursuit of improvement. The Board's assessment is that, while addressing the HMIP’s Urgent Notification, Winchester is responding positively to make progress in its drive to improve conditions and outcomes for prisoners. Repairs have been made to the gym roof and some A wing corridor ceilings, and the kitchen successfully serves 2,100 meals daily despite staff shortages. Resignations of operational staff have decreased by approximately 38%, and key worker training is ongoing. Work to repair/replace mesh window grilles on B wing was swiftly undertaken.

Key concerns

12 items
Staffing Repeated Staffing levels are frequently under pressure, disrupting regime and impacting prisoner welfare, violence, and mental health.
Education/Purposeful Activity Repeated Inconsistent provision of activities and education, compounded by over-stretched staffing, high remand population, and budget cuts.
Substance Misuse Repeated A significant increase (28%) in illicit substance finds, linked to increased 'code blue' incidents, violence, and poor prisoner health.
Other Late delivery of prisoners by SERCO contractors, causing staff to work late and impacting welfare.
Safety Repeated The total number of self-harm incidents (784) remains high and is the highest in its comparator group.
Safety Repeated Assaults on staff (148) and prisoner-on-prisoner assaults (273) remain high compared to other similar prisons.
Safety Repeated The use of force incidents (960) is 40% higher than the comparator group average.
Estate/Conditions Repeated Accommodation is overcrowded and dilapidated, with most single cells housing two inmates, and significant building repair delays (e.g., CSU, control room).
Segregation Repeated The Care and Separation Unit (CSU) capacity is frequently reduced due to cells being out of action, and it is inappropriately used for prisoners in acute mental health crisis.
Healthcare Healthcare complaints increased, and doctor visits to the CSU did not meet required frequencies.
Regime/Time Out of Cell Repeated The high proportion of men on remand (over 70%) affects participation in purposeful activity and contributes to churn.
Resettlement/Release Resettlement planning is under pressure from early release schemes and high caseloads for staff.

Recommendations

9 items · 4 repeated
#RecommendationAddresseeStatus
1 Will the Minister work with his team and HMPPS to ensure necessary prison building and repair works, previously agreed, are fast-tracked to satisfactory completion?
Response
Providing staff for bed watches and constant supervision continues to be a significant challenge for the prison service. Whilst establishments aim to plan cover in advance, there is a frequent requirement to respond at short notice due to illness, accidents, or incidents of self-harm. Additionally, often many prisoners have neglected their healthcare needs prior to arrival and consequently there is an increased demand for external hospital escorts in a local prison setting. This work is unprofiled at HMP/YOI Winchester, and although overtime is available, local prisons tend to be reliant on staff volunteering for additional hours to provide cover. Bedwatches (hospital admissions) and some instances of constant supervision are commissioned by NHS England and undertaken by HMPPS staff. Some of the cost of undertaking bedwatch activity is cross-charged to NHS England and the funds that are recovered can be used to support the prison regime. Instances of constant supervision and bedwatch are unpredictable, meaning it wouldn’t be efficient to fund either of them permanently at a local level. A joint HMPPS/NHSE national review of Escorts, Bedwatches and Constant Supervision is underway, and it is hoped this will lead to improvements in this area of prison delivery.
Ministry of Justice In progress
1 The prison regime is observed often to be disrupted when staff are necessarily deployed to constant watches both on-site and off-site to hospitals, requiring two and sometimes three officers to be in attendance every 12 hours. What solution can be offered by the prison service to resource the regular need for constant watches without having an impact on delivery of regime? HMPPS
1 How will the challenge of managing regime be further improved to enable prisoners more regularly to have greater time out of cell? Repeated
Response
Recently the core day was adapted to deconflict domestic periods with activity periods. The change is very recent but early indications are that prisoners are more engaged in attending activities when they are not required to sacrifice shower, gym or library time. Work is ongoing to ensure that incentives are available to encourage participation. Regular monitoring and feedback mechanisms – such as prisoner councils or surveys – have helped to identify barriers to access and have informed continuous improvement.
Governor / Director
2 What can be done further to monitor effectively the work of outsourced prison service contractors to ensure they continuously improve their performance for the benefit of prisons leadership, staff and prisoners alike?
Response
The permanent Control Room completion is projected for August 2027. In the meantime, the Emergency Control Room is due to be completed in December. Unfortunately, there has been a slight delay to this due to issues identified and needing a revised programme or works but work is now progressing well. As per my 6-month update letter, the Care and Separation Unit (CSU) project has been remobilised and anticipated completion remains at February 2027. Additional information about the Control Room and CSU is contained in the attached annex. Care and Separation Unit (CSU) The contract has been re-tendered and awarded to a new contractor. The work is due to start in November 2025. MoJ Property Directorate have been working with the constructor to support and share information in advance to expedite validation and commencement of works, with the new CSU now projected for completion by February 2027. Control Room This work has been awarded to the contractor that is delivering the CSU. The work is due to start in November 2025. Work on the temporary Emergency Control Room has started and MoJ property services have surveyed the existing CCTV provision and have replaced the faulty cameras. There continues to be a robust local contingency plan in place in the event of any loss of service. The project to permanently replace the existing control room and upgrade the CCTV system is expected to conclude by August 2027.
Ministry of Justice In progress
2 What can be done to accelerate the implementation of long-standing capital investments urgently needed at Winchester – for example, building the new care and separation unit and the new control room? Repeated
Response
As in last year’s report there is, at the time of writing (June 2025), still no confirmed date for when the building work on the new CSU will be completed. A temporary control room is planned for completion in November 2025 but at the time of writing this report work has not started. The Ministry of Justice has yet to sanction the funding for the complete replacement of all the broken cameras.
HMPPS
2 What are the forward plans to further improve education and activities for prisoners at Winchester? Repeated
Response
By embedding purposeful activity into the core of prison life, Winchester seeks to foster a rehabilitative culture that supports reduced reoffending. We have adapted to these challenges as best we can and remain committed to providing our prisoners with the best possible access to purposeful activity.
Governor / Director
3 Can means be found, as a matter of urgency, in a temporary measure, to repair and replace the mesh window grilles on B wing which have been damaged or removed (pending a full project to overhaul mesh window grilles throughout Winchester)? Update: work to repair/replace mesh window grilles was swiftly undertaken and completed under the auspices of GFSL in the weeks prior to report publication.
Response
Notwithstanding the invocation of the Urgent Notification, there are issues to be addressed at the prison and that is why I was encouraged to receive your comments about the reduction in the number of assessment, care in custody and teamwork (ACCT) cases together with the opening of the specialist neurodiverse landing on C wing. A testament to it’s success is the number of referrals received from other establishments.
HMPPS Noted
3 What additional steps are being taken to reduce self-harm and violence in Winchester? Repeated
Response
Prison safety depends on staff vigilance and action. HMP Winchester receives around 3,000 prisoners annually, most with violent offences and approximately 70% flagged for public protection...Prisoner-on-prisoner violence often stems from external disputes and is driven by illicit drug activity. Misconduct is addressed through incentives, adjudications, and court prosecutions, supported by our embedded police team. The prison continuously campaigns for appropriate staffing levels to ensure operational capacity, and maintains a structured training plan to enhance staff competence and confidence. Drug ingress is tackled through robust intelligence systems, and we've secured additional resources to disrupt supply routes.
Governor / Director
4 What further steps are being taken nationally to support prisons in addressing the problem of the ingress of illicit substances and items into prisons?
Response
Prisons have a range of physical security countermeasures to reduce the ingress and conveyance of illicit items, including X-ray body scanners, airport-style Enhanced Gate Security (EGS), X-ray baggage scanners, detection dogs, and drug trace detection equipment. As of March 2024, over 53,000 positive indications had been recorded by our X-ray body scanners. This year, HMPPS has invested over £40 million in physical security across 34 prisons, which includes anti-drone measures such as window replacements, external window grilles, and netting across 15 priority prisons.
HMPPS Implemented

Applications to the IMB

CategoryCurrentPrevious
Accommodation (including transfers) 45 38
Health related 30 25
Other 10 10
Property (including mail, money and visits) 52 48
Purposeful activity (including work/education) 20 15
Security 12 10
Staff conduct 18 22
Statutory (Rule 39, legal, adjudication) 15 12
Welfare (e.g. hygiene, clothing, food) 35 30

Related inspections & investigations

9 Feb 2026 HMIP · Announced
23 Oct 2024 HMIP · Urgent Notification
7 Oct 2024 HMIP · Unannounced Safety 1 · Respect 1 · Activity 1 · Release 3
PPO fatal incident Myles Filose · Natural causes
PPO fatal incident Michael Fabian · Natural causes
PPO fatal incident Martin Stephens · Other non-natural
PPO fatal incident Lee Martin · Natural causes
PPO fatal incident Geoffrey Cheffings
12 Aug 2024 PFD Craig Steadman · Suicide (from 2015) | State Custody related deaths
21 Jun 2019 PFD Michael Folley · State Custody related deaths
9 Aug 2017 PFD Sean Plumstead · State Custody related deaths
16 May 2016 PFD Sheldon Woodford · State Custody related

Other reports for Winchester

2024 Published 26 Sep 2024 · Self-harm 795 · Concerns
2023 Published 31 Aug 2023 Population 678 · Self-harm 540 · Concerns
2022 Published 17 Oct 2022 Population 500 · Self-harm 607 · Concerns
2021 Published 29 Oct 2021 Population 482 · Concerns
2020 Published 6 Oct 2020 Population 500 · Self-harm 1,365 · Concerns

Report details

Establishment
Winchester
Type
Prison · Cat YOI, B, C, local, reception, resettlement
Report year
2025
Published
17 September 2025
Responsible body
HMP Winchester
Recommendations
9
MoJ rating (2024/25)
1 — Serious concern

Population

Population629
Operational capacity664

Service providers

Escort contractor
SERCO
Healthcare
Practice Plus Group
Maintenance
Government Facility Services Ltd (GFSL)
Resettlement
Ingeus

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