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HM Prison Belmarsh
Men's prison in Thamesmead, London, England
Men's prison in Thamesmead, London, England
| Field | Value |
|---|---|
| prison_name | HMP Belmarsh |
| image | 2017 Thamesmead aerial view 02b.jpg |
| caption | Aerial view of HM Prison Belmarsh (centre). |
| To the left is HMP Isis, to the right is HMP Thameside | |
| location | Western Way, Thamesmead, |
| London, | |
| classification | Adult Male/Category A |
| capacity | 792 |
| population | 675 |
| populationdate | August 2021 |
| opened | |
| managed_by | HM Prison Services |
| governor | Jenny Louis |
| website |
To the left is HMP Isis, to the right is HMP Thameside London,
His Majesty's Prison Belmarsh is a Category A men's prison located in Thamesmead, south-east London, England. Belmarsh Prison is run by His Majesty's Prison Service and is situated next to HMP Isis and HMP Thameside. The prison is used for high-profile prisoners, particularly those concerning national security. Within the grounds of the prison is the High Security Unit (HSU), consisting of 48 single cells.
Belmarsh is nicknamed "Hellmarsh", owing to the high number of physical and authority abuses reported by both the prison's inmates (including former politician Jeffrey Archer, who coined the name and was imprisoned there for four years for perjury), and human rights activists.
History
Belmarsh Prison was built on part of the East site of the former Royal Arsenal in Woolwich and became operational on 2 April 1991. It adjoins Woolwich Crown Court.
In 1991, the armed robber Ronnie Field, an associate of London gangland boss Joey Pyle, was the first person to be held in Belmarsh's High Security Unit, shortly followed by members of the Arifs, a south-east London-based Turkish Cypriot gang, and those convicted of the £10 million Heathrow airport diamond heist.
Between 2001 and 2002, Belmarsh Prison was used to detain a number of people indefinitely without charge or trial under the provisions of Part 4 of the Anti-terrorism, Crime and Security Act 2001, leading it to be called the "British version of Guantanamo Bay". The Law Lords later ruled in A v Secretary of State for the Home Dept that such imprisonment was discriminatory and against the Human Rights Act 1998.
It is often used for detention for terrorist-related offences. In September 2006, 51 such prisoners were held.
In 2009, an archaeological dig on the site led to the discovery of a nearly 6,000-year-old wooden trackway, which, behind Sweet Track near Glastonbury is the second oldest discovered in the British Isles.
In November 2009, an inspection report from the Chief Inspector of Prisons criticised the "extremely high" amount of force used to control inmates. The report also stated that an unusually high number of prisoners had reported being intimidated or victimised by staff.
In 2010, HMP Isis Young Offenders Institution opened within its perimeter wall.
Jenny Louis, when appointed governor, was Britain’s first female black prison governor.
The prison today

Belmarsh is a Category A Prison holding inmates from all over England and Wales. It also houses other categories of prisoners from primarily the Central Criminal Court (Old Bailey) and Magistrates' Courts in South East London, as well as Crown and Magistrates' Courts in South West Essex. Accommodation at the prison is a mixture of approximately 60% multi-occupancy cells and 40% single cells, distributed mainly across four residential units.
Inmates at Belmarsh have access to education, workshops and two gyms. The gym staff have a partnership with Charlton Athletic F.C. to deliver FA accredited coaching courses for prisoners.
A listener scheme for prisoners at risk from suicide or self-harm is in operation, as well as a support group providing advice on immigration law for foreign national prisoners.
Notable inmates
Current inmates
- Ali Harbi Ali, murdered MP David Amess.
- Hashem Abedi, aided in the Manchester Arena Bombing alongside his brother Salman Abedi.
- Paul 'Des' Ballard, television presenter and stage actor; caused death by dangerous driving; convicted of rape.
- Kyle Clifford, rapist and killer who committed Hunt family murders in July 2024. Also known as the "Crossbow Killer."
- David Copeland, neo-Nazi who bombed Brixton Market, Brick Lane, and a gay pub.
- Louis De Zoysa, shot dead an on-duty police sergeant at Croydon police station in September 2020.
- Mark Gordon, sex offender who was convicted of the gross negligence manslaughter of his newborn daughter after going on the run in 2023.
- Delroy Grant, the "Night Stalker", serial rapist and burglar.
- Danyal Hussein, murdered two sisters in a London park.
- Yostin Mosquera, murdered two men and attempted to dispose of their remains at Clifton Suspension Bridge in July 2024.
- Stephen Port, the "Grindr Killer", serial killer and serial rapist.
- Nicholas Prosper, shot dead his mother, brother and sister and also plotted to carry out a school shooting.
- Axel Rudakubana, convicted of possessing terrorist material and ricin; murdered 3 children and attempted to murder 10 others in the 2024 Southport stabbings, threw boiling water over female prison guard.
- Khairi Saadallah, stabbed three people to death in a Reading park, seriously injured others.
Former inmates
- Michael Adebowale, moved to Broadmoor Hospital.
- Jonathan Aitken
- Abu Hamza al-Masri, sentenced to life imprisonment in the United States; incarcerated at ADX Florence.
- Sudesh Amman
- Jeffrey Archer
- Julian Assange, accused by the United States of espionage.
- Ronnie Biggs
- Charles Bronson
- David Carrick, moved to HM Prison Full Sutton.
- Anjem Choudary
- Wayne Couzens, moved to HM Prison Frankland.
- Paul Doyle, moved to HM Prison Wakefield.
- Richard Huckle, moved to HM Prison Full Sutton, where he was later murdered.
- Ian Huntley, moved to HM Prison Frankland in 2008.
- Daniel Khalife, moved to HM Prison Frankland
- Usman Khan
- Denis MacShane
- Thomas Mair, moved to HM Prison Frankland
- Jordan McSweeney, moved to HM Prison Long Lartin.
- Marcus Monzo, moved to Broadmoor Hospital.
- Darren Osborne, murdered one person and attempted to murder others by driving into them; moved to HM Prison Full Sutton.
- Maurice Robinson, moved to HM Prison Lowdham Grange.
- Tommy Robinson, anti-Islam campaigner and far-right activist.
- Urfan Sharif, moved to HM Prison Frankland.
- Richard Tomlinson
- John Worboys, moved to HM Prison Wakefield.
References
References
- (2018-04-30). "In Belmarsh Prison: Radicalization or De-radicalization?".
- (1 August 2016). "Law Courts and Courtrooms 1: The Buildings of the Criminal Law". Historic England.
- (2024). "Nefarious: The Gripping True Story of a Life in Crime with Notorious London Gangsters including Joey Pyle, the Krays and Freddie Foreman". HarperCollins.
- (6 October 2004). "Belmarsh – Britain's Guantanamo Bay?". [[BBC News]].
- "Data". The Times Online.
- (8 September 2006). "Home Department – Terrorism".
- Anon. (12 August 2009). "London's earliest timber structure found during Belmarsh prison dig". PhysOrg.com.
- (27 November 2009). "'High levels' of force at prison". BBC News.
- "HMP/YOI Isis – improving prison with many young men which must address violence and force".
- (2 August 2022). "Belmarsh Prison".
- "CACT Over 25 Years".
- (22 October 2021). "Ali Harbi Ali appears at Old Bailey over murder of Conservative MP Sir David Amess.". [[Sky News]].
- (April 11, 2022). "Sir David Amess: Man found guilty of murdering MP".
- (2020-08-20). "Manchester Arena attack: Hashem Abedi jailed for minimum 55 years". BBC News.
- De Simone, Daniel. (16 April 2025). "Prison unit where Manchester Arena bomber Hashem Abedi attacked guards emptied". BBC.
- Kirk, Tristan. (14 July 2021). "Motorist admits killing two people in Romford pile-up". [[Evening Standard]].
- (2025-03-06). "Kyle Clifford guilty of raping ex-partner before murdering her with crossbow".
- Casciani, Dominic. (28 October 2015). "Soho nail bomber David Copeland sentenced for prison attack".
- (2023-07-27). "Sgt Matiu Ratana shooting: Killer Louis De Zoysa will never be freed". BBC News.
- (18 August 2025). "Mark Gordon sex offenders' register charge dropped".
- (30 September 2021). "What happened to the 'Night Stalker' depicted in Manhunt after he was caught by Colin Sutton".
- (28 October 2021). "Wembley park killings: Danyal Hussein jailed for life for murdering sisters".
- (24 October 2025). "Murderer who killed two men and dumped bodies in suitcases by bridge jailed for at least 40 years".
- Hill, Patrick. (26 November 2016). "Serial killer Stephen Port's jail letters include boasts of bedding TV star". [[Daily Mirror]].
- (16 July 2025). "Luton killer Nicholas Prosper will not get whole-life jail term".
- (2024-10-30). "Southport attack accused in court on terror charge".
- (1 July 2020). "Reading stabbings: Terror suspect Khairi Saadallah appears at Old Bailey".
- (18 July 2013). "Michael Adebolajo 'attacked in jail'". BBC News.
- (27 September 2013). "Michael Adebolajo and Michael Adebowale plead not guilty to Woolwich". London Evening Standard.
- (25 January 2021). "Lee Rigby killer Michael Adebowale in hospital with Covid-19". BBC News.
- [https://news.bbc.co.uk/onthisday/hi/dates/stories/june/8/newsid_2500000/2500465.stm 1999: Liar Aitken jailed for 18 months] BBC News
- "[https://www.telegraph.co.uk/news/uknews/terrorism-in-the-uk/9194854/Abu-Hamza-from-Soho-bouncer-to-hook-handed-cleric-of-hate.html Abu Hamza: from Soho bouncer to hook-handed cleric of hate]." ''[[The Daily Telegraph]]''. 10 April 2012. Retrieved 5 June 2013.
- De Simone, Daniel. (3 February 2020). "Sudesh Amman: Who was the Streatham attacker?". BBC News.
- (April 13, 2019). "British MPs urge government to extradite Julian Assange to Sweden".
- (10 May 2022). "Priti Patel, hear this loud and clear: Julian Assange must not be handed over to the US | Duncan Campbell".
- (2023-10-29). "Rapist police officer 'beaten black and blue' spends 23-hours-a-day in jail cell".
- (2024-11-14). "Former Met officer David Carrick denies abusing girl under 16 and raping woman".
- (28 August 2015). "Radical preacher Anjem Choudary to stand trial on terror charges". BBC News.
- (30 September 2021). "Sarah Everard murder: Wayne Couzens given whole-life sentence". BBC News.
- Everett, Adam. (27 October 2025). "Liverpool FC parade suspect Paul Doyle appears in court".
- Blackburn, Jonathan. (18 December 2025). "The prisoners doing time at 'Monster Mansion' as Paul Doyle begins sentence".
- (1 June 2016). "Richard Huckle filmed himself abusing children and shared videos and pictures with fellow paedophiles on the dark web". Sky News.
- (6 June 2016). "Prolific Paedophile Gets 22 Life Sentences". Sky News.
- Rajani, Deepika. (10 July 2020). "HMP Belmarsh inmates: from Tommy Robinson to Ian Huntley, the high-profile convicts detained at the London prison". inews.
- Vaughan, Henry. (11 September 2023). "Daniel Khalife escaped prison using material which may have been from bed sheets, court hears".
- (2025-03-23). "Spy Daniel Khalife 'given hero's welcome' after being moved to Monster Mansion".
- (30 November 2019). "Who was Usman Khan? The attacker who hoodwinked authorities to fulfil his terrorism dream of targeting London". The Telegraph.
- (12 August 2014). "Ex-inmate MP condemns UK prisons". BBC News.
- (23 November 2016). "Far-right terrorist Thomas Mair jailed for life for Jo Cox murder". The Guardian.
- Aspden, Kester. (6 December 2019). "The making of a bedsit Nazi: who was the man who killed Jo Cox?". The Guardian.
- Quadri, Sami. (2023-05-02). "Prison worker 'suspended for kissing Zara Aleena's killer'".
- (2023-10-20). "Zara Aleena's killer Jordan McSweeney leaves sentence appeal hearing". BBC News.
- Montgomery, Samuel. (25 June 2025). "Moment samurai swordsman high on cannabis struck policewoman". The Telegraph.
- Ross, Alice. (27 June 2017). "Finsbury Park accused Darren Osborne appears at Old Bailey". The Guardian.
- (2 February 2018). "Darren Osborne jailed for life for Finsbury Park terrorist attack".
- (11 September 2021). "Finsbury Park mosque attacker fears eye loss after prison stabbing". BBC News.
- Moore, Steven. (29 December 2020). "Essex lorry deaths: Truck driver Mo Robinson 'haunted' by memory of his crime". Belfast Telegraph.
- Pennink, Emily. (18 November 2021). "Migrant deaths driver to sell 4×4 and watch to compensate victims' families". Evening Standard.
- (17 December 2024). "Sara Sharif's 'sadistic' killers jailed for murder'".
- (2025-01-03). "Police investigate after 'Sara Sharif killer attacked in prison'".
- McInerney, Liam. (29 January 2025). "'I stayed in same hellhole prison as Sara Sharif's killer – I'll never forget what I saw'".
- Norton-Taylor, Richard. (15 March 2007). "Renegade ex-MI6 officer will not be prosecuted". The Guardian.
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