Background

Gabrielle McAvock

Call 1994

Gabrielle McAvock is a Grade 3 Prosecutor for the Crown Prosecution Service and is on the Specialist Rape and Serious Sexual Offences (RASSO) Panel for the London, South Eastern and Western Circuits.

Gabrielle prosecutes and defends in serious criminal cases including sexual offences, multi-handed Class A drugs supply, firearms, violence and dishonesty offences.

Gabrielle has experience of providing legal advice in the British Overseas Territories. During 2009-2010 she was Crown Counsel attached to the Attorney General’s Chambers in Ascension Island with responsibility for prosecutions, legislative drafting and advising on a wide range of legal issues for the Ascension Island Government. In March – May 2011 Gabrielle was Locum Crown Counsel for the St Helena Government.

Gabrielle was formerly a legal officer in the rank of Major in the Adjutant General’s Corps (Army Legal Services) from 1997 to 2001.

To instruct Gabrielle please get in touch with the clerking team who will be happy to assist.

Call: 020 7092 1900 or email clerks@4bb.co.uk

  • Criminal Bar Association
  • LLB (London)
  • Hardwicke Scholar (Lincoln’s Inn)

Notable Sexual Offences cases


  • R v RA (Woolwich Crown Court) Prosecution

    Conviction following trial for historical sexual abuse by stepfather on his 17-year-old stepdaughter. 5 years imprisonment.

  • R v RH (St. Albans Crown Court) Prosecution

    Conviction following trial for sexual assault on a woman aged 94 years by her gardener, in his 50s, using an Alsatian dog to intimidate the victim. Elderly victim aged 95 years gave evidence in court behind a screen.

  • R v BW (Oxford Crown Court) Prosecution

    Conviction following trial of uncle for sexually abusing his nieces aged under 13 years. Section 28 pre-recorded cross-examination of child victims as special measures. 4 years imprisonment.

  • R v BP (Northampton Crown Court) Prosecution

    Conviction following trial for sexual assault on adult family friend.

    3 years imprisonment.

  • R v CC (Canterbury Crown Court) Prosecution

    Conviction following trial for sexual activity with a child. Section 28 pre-recorded cross-examination of victim as special measures.

  • R v B (St Albans Crown Court) Prosecution

    Conviction following trial for historical sexual assaults on young schoolboys by school assistant at Roman Catholic independent school for boys.

  • R v S (Luton Crown Court) Prosecution

    Conviction following trial of a doctor (defended by King’s Counsel) for sexually assaulting an adult female passenger on public transport.

  • R v R & Other (Central Criminal Court) Acquittal

    Defence in alleged stranger rape by two males.

  • R v JP (Woolwich Crown Court) Prosecution

    Conviction following trial for sexual abuse by father on his biological daughters aged under 13 years, arranging child sex offences and making and distributing indecent images of children. Section 28 pre-recorded cross-examination of child victims as special measures.

  • R v FM (Luton Crown Court) Prosecution

    Conviction following trial for repeated anal/vaginal rapes and serious domestic violence on his partner. 15 years imprisonment.

  • R v B-J (Luton Crown Court) Prosecution

    Conviction following trial for assault by penetration, sexual assault, threats to kill and assault. Attack witnessed by adult victim’s 7-year-old daughter who gave evidence at trial using special measures.

  • R v GH (Reading Crown Court) Prosecution

    Conviction following trial by adult neighbour for historical sexual abuse of female child under 13 years between 1999-2001.
    15 years imprisonment.

  • R v MP (Reading Crown Court) Prosecution

    Conviction following trial for rape of a drunk adult victim.
    8 years 4 months imprisonment.

  • R v MA (St Albans Crown Court) Prosecution

    Conviction following trial for sexual abuse by godfather (defended by King’s Counsel) on his 12-year-old god daughter and historical sexual abuse on another female child aged under 13 years.
    8 years imprisonment.

  • R v MM (Oxford Crown Court) Prosecution

    Conviction following trial for sexual abuse of a child under 13 years with Section 28 pre-recorded cross-examination of victim as special measures. 8 years imprisonment

  • R v B (Snaresbrook Crown Court) Prosecution

    Conviction following trial for historical sexual abuse by 70-year-old father on his biological daughter when she was aged between 5-12 years.

  • R v TB (Oxford Crown Court) Prosecution

    Conviction following trial for gross indecency with his biological daughter when she was 7-10 years old. Historical sexual abuse committed in the early 1970s by a defendant in his 80s at the date of trial. 7.5 years imprisonment.

  • R v AH (St. Albans Crown Court) Prosecution

    Conviction following trial for sexual abuse by great uncle on his great niece aged under 13 years. Section 28 pre-recorded cross-examination of victim and child witness as special measures.

    5½ years imprisonment.

Notable General Crime cases


  • R v K Snaresbrook Crown Court Prosecution

    Conviction following trial for Section 18 grievous bodily harm, use of a broken bottle and knife to the victim’s face. Imprisonment 14 years.

  • R v DT & others (Luton Crown Court) Prosecution

    Convictions against 8 defendants in Class A county lines drug supply.

  • R v RG & others (Kingston Crown Court) Prosecution

    Convictions against 4 defendants following trial for multiple knife point robberies across London.

  • R v EG & others (Luton Crown Court) Prosecution

    Conviction following trial of 3 defendants for Section 18 wounding with intent. Victim of serious stabbing refused to give evidence. CCTV footage showed the frenzied attack.

  • R v RA & others (Canterbury Crown Court) Prosecution

    Conviction following trial of 3 defendants for Section 18 wounding with intent despite victim of serious stabbing giving evidence for the defence.

  • R v PH Armed robbery of a jewellery shop (Cambridge Crown Court, 2018)

    Robbery of jewellery shop. Jewellery stolen using a hammer to smash the glass display cabinets and hammer used on female shop owner’s head, shop assistant and witness who bravely intervened. Direction to High Sheriff that witness receives a reward under section 28 of the Criminal Law Act 1826 for her “outstanding act of bravery” in closing the jewellery shop door and trying to delay the robber’s departure, for which she received a blow with a mallet to the chin by the robber. OIC commended by HHJ Farrell KC for work on this “difficult and substantial” case. Convicted after trial and sentenced to 10 years imprisonment.

  • R v AS, A & F (Inner London Crown Court) Prosecution

    Conviction after trial for gang wounding with intent. Victim was repeatedly stabbed but refused to provide a statement.

  • R v A, B & H (Luton Crown Court) Prosecution

    Conviction for multi-handed armed robbery of a shop.

  • R v H (Central Criminal Court) Prosecution

    Conviction for armed robbery of a bank.

  • R v R & Other (St Albans Crown Court) Acquittal

    Defence in 33 count money laundering case.

Notable Courts Martial cases


  • R v Sgt B (Colchester Court Martial) Acquittal

    Defence of a Royal Air Force Sergeant accused of sexually assaulting a colleague.

  • R v LCpl S (Sennelager Court Martial) Acquittal

    Defence of Army soldier accused of sexually assaulting a female soldier in Germany.

  • R v O (HMS Nelson) Acquittal

    Defence of an ex-Naval rating accused of sexually assaulting a servicewoman.

  • R v CPO (HMS Nelson) Acquittal

    Defence of a Royal Navy Chief Petty Officer policeman for allegedly wounding a Royal Marine in Diego Garcia.

Notable cases


R v Carl Bater-James [2020] EWCA Crim 790





R v TB

Gabrielle McAvock, Prosecuting. Gross indecency with biological daughter aged between 7 – 10 years old. Convicted…

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Gabrielle McAvock joins Chambers

We are delighted to announce that Gabrielle McAvock has joined Chambers, as of 18th October 2017. Gabrielle…

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Would you like to know more?

For help and advice talk to a member of our clerking team. They can advise on the best options for your matter.

T 020 7092 1900 – E clerks@4bb.co.uk

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