Source · IMB Annual Report
Guys Marsh
Year: 2024
Published: 11 Apr 2025
Type: Prison · Cat C
Population: 483
Recommendations: 10
Key concerns
Positive findings
HMP Guys Marsh experienced a challenging reporting year marked by a significant rise in self-harm and assaults, exacerbated by staff shortages that led to a three-month restricted regime. The ingress of illicit items remained a persistent concern, and the prisoner complaints system broke down mid-year. While positive developments included an award-winning healthcare service and new prisoner incentives, the poor state of the older wings and high offender manager caseloads continue to hinder rehabilitation and decent conditions.
Safety statistics
| Indicator | This year | Previous |
|---|---|---|
| Deaths in custody | 3 | — |
| Use of force | 827 | — |
| Drug finds | 270 | — |
Positive findings
The Board commends the Governor’s empathetic approach in all three deaths in custody and the dedication of the Safer Communities Team. Staff performance in managing planned use of force and the compassionate attitude of induction wing staff were noted as positive. The healthcare unit received an annual recognition award for excellence, and mental health service delivery improved significantly. The Governor also introduced significant improvements in prisoner pay, employment incentives, and evening association for enhanced prisoners, which were well received.
Key concerns
Safety
Repeated
A very significant rise in cases of self-harm, especially when prisoners were deprived of a regular regime due to staff shortages.
Safety
A raised level of prisoner-on-prisoner and prisoner-on-staff assaults throughout the year.
Substance Misuse
Repeated
Illicit items, including drugs, mobile phones, and weapons, continued to enter the prison despite staff efforts.
Complaints/Property
The complaints process broke down mid-year and was not effectively restored until the end of the reporting period.
Estate/Conditions
Repeated
The dirty and decrepit fabric of the older wings affected decency levels, with maintenance and repairs taking too long to complete.
Regime/Time Out of Cell
Education, vocational training, and all but essential work were suspended for three months due to a restricted regime and staff shortages, frustrating prisoners' rehabilitative progress.
Resettlement/Release
Prison offender managers complained that their caseloads were too high.
Recommendations
| # | Recommendation | Addressee | Status |
|---|---|---|---|
| 1 |
The process for the assessment, selection and induction training of prison officers, coupled with an absence of continuous professional development and any kind of meaningful appraisal system, suggests that prison officers and senior management will continue to struggle with the increasing demands made of them in overcrowded and increasingly dangerous prisons. When will the Minister order an urgent review of the career management of frontline prison staff?
Response
I recognise the Board’s continued concerns regarding the assessment, selection, induction, and ongoing development of prison officers. The Ministry of Justice remains committed to building a skilled and resilient workforce for the demanding and complex roles within our prisons to ensure that staff are not only well-prepared at entry but are also supported throughout their careers with meaningful development opportunities. Enhanced vetting procedures have been introduced to uphold high standards, and a redesigned assessment process is being implemented on a phased basis. Nationally, leadership pathways such as the ‘Spark Custodial’ talent scheme are now becoming established. At HMP Guys Marsh the Governor reports on a strong staffing position, with all senior roles filled and a critical safety training plan in place, which includes competency and capability professional development training for all staff. In addition, HMP Guys Marsh is an early adopter of the ‘Enable’ programme, which offers weekly coaching and reflective practice for all uniformed staff, plus targeted support for first-line managers. HMPPS recognise that frontline prison staff are central to delivering safe, secure, and rehabilitative regimes, and that investing in their development is essential to maintaining morale and improving effectiveness across the service. In response, the Enable Programme has been launched as a workforce transformation initiative to enhance how HMPPS trains, develops, leads, and supports its staff. The programme is being implemented in a number of Early Adopter prisons, including HMP Guys Marsh. While still in the early stages, initial progress is promising. The Enable Programme includes: • Core capability training packages for prison officers 6-18 months into service, to build confidence, competence, and a sense of value following foundation training. • A new Custodial Manager Portfolio to strengthen leadership skills among first-line managers, with a similar offer in development for Heads of Functions. • Introduction of specialist mentoring roles to support officers’ professional growth. • Coaching and training for first-line managers through the Human Resources Performance Manager (HRPM), focused on improving performance management capability. Additional initiatives being implemented at HMP Guys Marsh include new manager pathways, Civil Service Learning packages, targeted development sessions based on the Confidence and Competence (C&C) Toolkit and HR leadership sessions for both first-line managers and senior leaders. This multi-layered approach reflects a strong commitment to professional development and leadership at all levels and provides a framework for testing and scaling relational approaches across diverse custodial settings. |
Ministry of Justice | In progress |
| 2 |
HMPPS’s stated priority is ‘to deliver the Government’s vision and investment’3. What is the vision that HMPPS is to deliver?
Response
Delivering the Government’s vision for HM Prison and Probation Service (HMPPS) is of course central to my role as Minister for Prisons, Probation and Reducing Reoffending and something to which I am deeply committed. The vision for HMPPS is to create a safer society by effectively rehabilitating offenders, reducing reoffending, and protecting the public. This vision emphasises the importance of believing in people's capacity to change and working together as one agency to achieve excellence in rehabilitation and public protection. The recently published HMPPS Prisons Roadmap sets out how we will deliver the organisation's five core internal operational strategies in prisons, focusing on the strategic priorities for Rehabilitation, Public Protection, Estates and Infrastructure, People, and Youth Custody. |
Ministry of Justice | Noted |
| 3 |
At present, no career development blueprint exists for prison staff. When will the Prison Service invest in continuous professional development for prison staff, including much-needed leadership training for supervising officers, custodial managers and senior managers, to raise effectiveness and maintain morale among the rank-and-file prison officers?
Response
I recognise the Board’s continued concerns regarding the assessment, selection, induction, and ongoing development of prison officers. The Ministry of Justice remains committed to building a skilled and resilient workforce for the demanding and complex roles within our prisons to ensure that staff are not only well-prepared at entry but are also supported throughout their careers with meaningful development opportunities. Enhanced vetting procedures have been introduced to uphold high standards, and a redesigned assessment process is being implemented on a phased basis. Nationally, leadership pathways such as the ‘Spark Custodial’ talent scheme are now becoming established. At HMP Guys Marsh the Governor reports on a strong staffing position, with all senior roles filled and a critical safety training plan in place, which includes competency and capability professional development training for all staff. In addition, HMP Guys Marsh is an early adopter of the ‘Enable’ programme, which offers weekly coaching and reflective practice for all uniformed staff, plus targeted support for first-line managers. HMPPS recognise that frontline prison staff are central to delivering safe, secure, and rehabilitative regimes, and that investing in their development is essential to maintaining morale and improving effectiveness across the service. In response, the Enable Programme has been launched as a workforce transformation initiative to enhance how HMPPS trains, develops, leads, and supports its staff. The programme is being implemented in a number of Early Adopter prisons, including HMP Guys Marsh. While still in the early stages, initial progress is promising. The Enable Programme includes: • Core capability training packages for prison officers 6-18 months into service, to build confidence, competence, and a sense of value following foundation training. • A new Custodial Manager Portfolio to strengthen leadership skills among first-line managers, with a similar offer in development for Heads of Functions. • Introduction of specialist mentoring roles to support officers’ professional growth. • Coaching and training for first-line managers through the Human Resources Performance Manager (HRPM), focused on improving performance management capability. Additional initiatives being implemented at HMP Guys Marsh include new manager pathways, Civil Service Learning packages, targeted development sessions based on the Confidence and Competence (C&C) Toolkit and HR leadership sessions for both first-line managers and senior leaders. This multi-layered approach reflects a strong commitment to professional development and leadership at all levels and provides a framework for testing and scaling relational approaches across diverse custodial settings. |
HMPPS | In progress |
| 4 |
In the outside community, mobile phone customers have been paying for their calls and data via a ‘plan’ for many years. Yet in prison, prisoners are still charged by the minute and for calls to mobiles the cost is considerable. Why does the Prison Service retain this outdated and expensive system?
Response
There have been recent reductions in call charges which have brought the cost of calls made from prisons to a level significantly lower than comparable charges for non-prison calls in the general public. There have been discussions around the potential introduction of more modernised payment models, such as call plans or monthly schemes, similar to those available in the community. However, these remain exploratory at this stage and have not yet been formally adopted or guaranteed. HMPPS continues to review and assess options to improve fairness and affordability in prisoner communications, while balancing the operational, security, and contractual considerations involved. |
HMPPS | Partial |
| 5 |
Despite HMPPS’ stated priorities to ‘make prisons places of safety’ and to ‘… provide a safe and supportive environment…’3, the increased number of deliveries of illicit items and larger (7kg) drone payloads rendered HMP Guys Marsh less safe in 2024-2025 for both prisoners and staff, in the Board’s view. When will effective action be taken to counter this threat?
Repeated
Response
HMPPS remains committed to making prisons safer and continues to take robust, multi-layered action to detect, deter, and disrupt the ingress of illicit items. At HMP Guys Marsh, a comprehensive strategy is addressing the growing threats of drone activity, substance misuse, and site vulnerabilities that impact the safety and wellbeing of staff and prisoners. As referred to in your report, a key development is the installation of new Mark-8 windows across all main residential units designed to significantly reduce the risk of contraband being delivered via drones and other advanced methods. As of mid-2025, the project is approximately 50% complete, with full completion expected in due course. An additional £1.3 million is being invested in second-floor window replacements, due for completion in October 2025. To further support these efforts, 400-metre Drone Restricted Fly Zones have been established around all closed prisons and YOIs in England and Wales, making unauthorised drone use a criminal offence. As you note, a Clear Bag Policy has also been introduced at HMP Guys Marsh to reduce other forms of illicit conveyance. Operationally, the Head of Security works closely with the police to ensure intelligence sharing. HMPPS is also collaborating with other government departments to deploy the most effective interventions. A strengthened Drug Strategy is in development aligned with the National Drug and Alcohol Operational Framework and supported by a newly appointed Drug Strategy Analyst to identify emerging trends. Supply reduction measures are reviewed regularly through Local Threat Assessment and Security meetings, alongside continued engagement with engagement with statutory services and health partners. |
HMPPS | In progress |
| 6 |
When will the Prison Service address the worsening state of repair of HMP Guys Marsh, particularly the older residential wings, so that the less than satisfactory living conditions experienced by prisoners are improved?
Repeated
Response
HMPPS recognise the importance of maintaining safe, decent, and humane living conditions across the prison estate and is actively investing in improvements at HMP Guys Marsh, particularly in the older residential wings. A range of infrastructure projects are underway or in development to address site conditions: • Heating Ring Main: A major upgrade has been commissioned, with the contract awarded and work scheduled to commence before 2026. • Cell Call Systems: £300,000 has been allocated for replacement in four accommodation house blocks to enhance prisoner safety. • Electrical Infrastructure: £100,000 is being invested in replacing aged distribution panels in Dorset Wing to ensure compliance with modern safety standards. Window Replacement: The second-floor window replacement project, valued at approximately £1.3 million, began in January 2025 and is progressing well, with completion expected by October 2025. The second phase (first-floor windows) is also underway, following the successful completion of the ground floor. The resulting improvements to natural light, ventilation, and security, have already contributed to a reduction in waste being thrown from cells and items being passed through window Bids have also been submitted for further improvements. New cleaning schedules and maintenance routines are supporting day-to-day decency across all residential units. MOJ Property Services and its Service Providers remain committed to delivering high standards of maintenance, with performance monitored through KPIs. Despite generally strong performance, HMP Guys Marsh experiences one of the highest rates of vandalism in the South West, which is being closely monitored and managed. HMPPS keep investment needs across the estate under review as part of the current and future Spending Review periods with decisions informed by condition surveys assessing the fabric, cells, and critical assets of each prison to guide long-term maintenance planning and prioritisation. |
HMPPS | In progress |
| 7 |
The removal of razors from prisons is a welcome step in the fight against self-harm. When will the Prison Service introduce other measures to curb this distressing practice?
Response
HMPPS is committed to reducing self-harm and improving safety across the prison estate. A key step in this effort has been the phased removal of wet shave razors from the adult male closed estate. HMP Guys Marsh was among the first 31 priority sites to implement this change and is now fully wet shave razor-free. While the primary aim of this initiative is to reduce the risk of serious violence from improvised weapons, it also brings potential benefits in reducing razor-related self-harm. Electric razors will be rolled out across the remaining prisons in the adult male closed estate in Autumn 2025, with full implementation expected by the end of the year. At HMP Guys Marsh, a range of measures are in place to support individuals at risk of suicide and self-harm: • Assessment, Care in Custody and Teamwork (ACCT) case management is used to identify individual risks, triggers, and protective factors, and to develop tailored support plans. • All ACCT case managers are receiving upskill training through the national training provider to strengthen the quality and consistency of support. • The ACCT quality assurance process is being expanded using the national model. Residential Custodial Managers, supported by the Safety Team, are undertaking reviews, with findings discussed at the Safer Custody Meeting to identify trends and set appropriate actions. • Group Safety Leads continue to provide regular support visits to HMP Guys Marsh, offering assurance on ACCT quality and direct feedback to case coordinators. Ongoing improvement remains a focus. • Safety Intervention Meetings (SIMs) are held for individuals with complex self-harming behaviours, ensuring multi-disciplinary support. Attendance at these meetings remains strong. • Staff training: All new staff with prisoner contact receive training in suicide and self-harm prevention, with additional specialist training for those in key roles. • Item removal protocols: Staff are authorised to remove items from at-risk individuals where there is an immediate need to preserve life or prevent serious harm. • A quality assurance tool has been developed to help establishments assess the effectiveness of their case management processes and identify areas for improvement and good practice. Since the restricted regime was lifted in September 2024, HMP Guys Marsh has seen a reduction in self-harm incidents, alongside a broader downward trend in violence and self-harm following the introduction of a new and expanded regime offer. |
HMPPS | In progress |
| 8 |
The rise in assaults on prison staff and the worrying increase in the poor treatment of prisoners by some prison officers suggests a failure in the process of assessment, selection and training of officers. When will the Prison Service take action to address these shortcomings?
Response
HMPPS takes seriously the rise in assaults on staff and concerns regarding the treatment of prisoners. A wide range of national and local measures are in place to strengthen the assessment, training, and ongoing development of prison officers, while also addressing the underlying causes of violence and unprofessional behaviour. All new officers are trained to nationally approved standards, and there is no evidence to suggest that the rise in assaults is directly attributable to shortcomings in the selection or training process. Inexperience can however have an impact on operational effectiveness, and as such, HMPPS is expediting coaching and development through targeted interventions and training events. At HMP Guys Marsh, targeted action is being taken to address violence and improve staff-prisoner interactions: • The prison has been actively involved in the National Safety Team’s (NST) assault reduction initiative. The NST identified the illicit economy as a key driver of violence and is working with cross-agency partners to deliver a tailored support package. • A dedicated Violence Reduction Custodial Manager has been appointed to lead local efforts. • The prison has transitioned to the Digital Prison Service (DPS) platform for managing Challenge, Support and Intervention Plans (CSIPs), supported by upskilling and mentoring from Group Safety Leads. |
HMPPS | In progress |
| 9 |
The caseload for prison offender managers has increased, to the detriment of prisoners on standard determinate sentences (SDS). Given that it takes time to train an prison offender manager to the required standard, what more immediate steps are being taken to improve this situation?
Response
HMPPS recognises the pressures placed on Prison Offender Managers (POMs) and the impact that increasing caseloads can have on the quality of support provided to prisoners. To address this immediate and longer-term steps are being taken nationally and locally. Nationally, recruitment and retention remain priorities for the Probation Service, with a strong focus on staff wellbeing and workforce sustainability. Initiatives to strengthen supervision, reduce caseloads, and increase staffing capacity include: • Exceeding the 2024/25 trainee target, onboarding 1,057 trainee Probation Officers; a further 1,300 trainees are expected in 2025/26. • Onboarding 4,582 trainee Probation Officers between 2020/21 and 2023/24, many of whom are now qualified and managing caseloads. • A workforce increase of 467 full-time equivalents (FTE) between June 2023 and June 2024, including an 11.5% increase in Probation Officers and a 16.1% increase in staff across Bands 4–6. Locally, HMP Guys Marsh has made progress in stabilising POM staffing: • The prison has reached its target staffing figure (TSF) of 6 FTE for prison POMs. • Probation POM staffing is slightly below target due to a temporary promotion within the team but as of June 2025, the site is only 0.5 FTE below TSF for both probation POMs and the Head of Offender Management Delivery (HOMD). • A business case has been submitted to convert the 0.5 HOMD vacancy into a probation officer post, which would increase the TSF to 5 FTE. The HOMD continues to provide regular supervision to POMs, enhancing oversight and support. To address the OASys backlog, a dedicated taskforce has been approved to deliver 18.5 hours per week for three months. As part of succession planning, prison placements are being promoted to trainee probation officers to build future capacity and deepen understanding of the POM role within custodial settings. |
HMPPS | In progress |
| 10 |
The problems with heating have troubled the prison and its prisoners for over a year, notwithstanding the installation of temporary generators, which do not service the whole prison. What action will be taken to address the ongoing problems with - and the delays in - maintenance and repairs?
Repeated
Response
HMPPS recognise the importance of maintaining safe, decent, and humane living conditions across the prison estate and is actively investing in improvements at HMP Guys Marsh, particularly in the older residential wings. A range of infrastructure projects are underway or in development to address site conditions: • Heating Ring Main: A major upgrade has been commissioned, with the contract awarded and work scheduled to commence before 2026. • Cell Call Systems: £300,000 has been allocated for replacement in four accommodation house blocks to enhance prisoner safety. • Electrical Infrastructure: £100,000 is being invested in replacing aged distribution panels in Dorset Wing to ensure compliance with modern safety standards. Window Replacement: The second-floor window replacement project, valued at approximately £1.3 million, began in January 2025 and is progressing well, with completion expected by October 2025. The second phase (first-floor windows) is also underway, following the successful completion of the ground floor. The resulting improvements to natural light, ventilation, and security, have already contributed to a reduction in waste being thrown from cells and items being passed through window Bids have also been submitted for further improvements. New cleaning schedules and maintenance routines are supporting day-to-day decency across all residential units. MOJ Property Services and its Service Providers remain committed to delivering high standards of maintenance, with performance monitored through KPIs. Despite generally strong performance, HMP Guys Marsh experiences one of the highest rates of vandalism in the South West, which is being closely monitored and managed. HMPPS keep investment needs across the estate under review as part of the current and future Spending Review periods with decisions informed by condition surveys assessing the fabric, cells, and critical assets of each prison to guide long-term maintenance planning and prioritisation. |
Governor / Director | In progress |
Other reports for Guys Marsh
Report details
- Establishment
- Guys Marsh
- Type
- Prison · Cat C
- Report year
- 2024
- Published
- 11 April 2025
- Responsible body
- HMP Guys Marsh Prison
- Recommendations
- 10
Population
| Population | 483 |
| Operational capacity | 511 |
| Time out of cell | 3.5h/day |
Service providers
Dental Services
Sub-contracted
Healthcare
Oxleas NHS Foundation Trust
Maintenance and Repairs
Gov Facilities Services Limited (GFSL)
Substance Misuse
Change, Grow, Live (CGL)