HMP Guys Marsh
Guys Marsh is a men’s prison near Shaftesbury in Dorset.
- Category
- Category not recorded
- Holds
- Not recorded
- Operator
- HMPPS
- Region
- South West, England
- Address
- HMP Guys Marsh Shaftesbury Dorset SP7 0AH
- Telephone
- 01747 856 586
- GOV.UK page
- Visiting, sending money and contact details
Population over time
| Date | Held | Certified normal | Occupancy |
|---|---|---|---|
| 28 Aug 2026 | 438 | 476 | 92% |
| 24 Aug 2026 | 444 | 476 | 93.3% |
| 29 Jun 2026 | 442 | 476 | 92.9% |
Deaths in custody
The Prisons and Probation Ombudsman investigates every death of a person in custody and publishes a report once the inquest has concluded. Only the title and date are held here; the reports themselves are on the Ombudsman's site and can be distressing to read.
- Fatal incident investigation — prison, December 2023
Prisons and Probation Ombudsman · 7 Aug 2026
- Fatal incident investigation — prison, April 2024
Prisons and Probation Ombudsman · 7 Jul 2026
- Fatal incident investigation — prison, March 2022
Prisons and Probation Ombudsman · 20 Mar 2026
- Fatal incident investigation — prison, December 2025
Prisons and Probation Ombudsman · 7 Jan 2026
- Fatal incident investigation — prison, November 2022
Prisons and Probation Ombudsman · 27 Aug 2025
- Fatal incident investigation — prison, November 2024
Prisons and Probation Ombudsman · 9 Jan 2025
- Fatal incident investigation — post-release, October 2022
Prisons and Probation Ombudsman · 9 Aug 2024
Inspections, reports and announcements
- HMP Guys Marsh
HM Inspectorate of Prisons · 8 Dec 2025
- HMP Guys Marsh
HM Inspectorate of Prisons · 15 Apr 2025
- HMP Guys Marsh
HM Inspectorate of Prisons · 12 Oct 2022
Record last refreshed 27 Oct 2026. Source: GOV.UK and HM Inspectorate of Prisons, under the Open Government Licence v3.0.