William Bebb

Call: 2017

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William Bebb has established a busy and growing criminal practice.

He is instructed regularly in cases involving serious violence, sexual offences, and drug-related crime, acting for both the prosecution and defence.

William is known for his pragmatic, adaptable approach and his ability to build strong working relationships with clients and instructing solicitors alike.

He has appeared in the Crown Court and Court of Appeal on multiple occasions, securing positive outcomes in challenging and sensitive cases.

Fluent in Welsh, William grew up in Cardiff and was educated at Ysgol Gyfun Gymraeg Glantaf.

Expertise

Crime

William is regularly instructed in serious criminal matters, including violence, sexual offences, and drug-related crime. He appears in both the Crown Court and Court of Appeal, representing prosecution and defence. Known for his pragmatic style and clear communication, William brings a calm, focused presence to challenging, complex, high-stakes cases.

Additional Information

Appointments

CPS Level 3 Prosecutor

Awards

Anne Goddard Scholarship, Gray’s Inn (2019)
Camm Memorial Mooting Cup Winner (2015)

Education

Bar Professional Training Course (Very Competent), Cardiff University (2017)
LLB Law Degree, University of Birmingham (2015)
Ysgol Gyfun Gymraeg Glantaf, Cardiff

Languages

Welsh (fluent)

Memberships

Criminal Bar Association

Notable & Reported Cases

R v AA – Acquittal in a case of rape. Issue of withdrawal of consent.
R v Gauci – Led Junior, 6-handed trial before the Honourable Justice Griffiths. D charged with violent disorder linked to murder.
Operation Silver – Instructed as junior counsel in Class A drug conspiracy. Operation Silver was the largest enforcement operation in Gwent Police’s recent history.
R v X – Represented a 15-year-old defendant charged with stranger rape in Cardiff.
R v ND – Obtained a not guilty verdict in case of sexual abuse. Complex forensic evidence issues regarding secondary transfer.
R v Y – Represented a 17-year-old charged with riot following the Ely riots in 2023.
R v FB – Appeal against sentence. Drafted grounds of appeal in successful appeal against sentence in a case of Class B drug trafficking.
R v McCann [2024] EWCA Crim 1801 – Appeal against sentence. Successfully argued that sentences imposed for public order matters were manifestly excessive, particularly in relation to the application of the section 66 Sentencing Act 2020 uplift.
R v Baldwin [2023] EWCA Crim 1475 – Appeal against conviction. The case involved issues around proceeding in a defendant’s absence.
R v Francis [2022] – Appeal against sentence. Successfully argued that a sentence imposed for dwelling burglary was manifestly excessive.
R v Jex & Others [2021] EWCA Crim 1708 – Led by Louis Mably KC in appeal providing guidance on the application of section 133 of the Magistrates’ Courts Act 1980 regarding concurrent and consecutive sentences.

For more information
Contact our clerks for assistance with choosing the right barrister for your matter.

clerks@30parkplace.co.uk
+44 (0)2920 398421

‘William is an excellent communicator. He can empathise with those who are in the criminal justice system and he can also communicate eloquently in court so clients feel that their story has been told. Nothing is too much trouble for him and his ability to make those around him feel at ease is a gift that few possess. He is a rising star and his qualities will mean he will go far.’

Legal 500 2026

"Rising star William Bebb is noted for his 'tactical nous' and 'steely resolve'."

Legal 500 2025

"William is an excellent communicator. He can empathise with those who are in the criminal justice system and he can also communicate eloquently in court so clients feel that their story has been told."

Legal 500 2025

"Nothing is too much trouble for him and his ability to make those around him feel at ease is a gift that few possess. He is a rising star and his qualities will mean he will go far."

Legal 500 2025

30 Park Place joins the Wales and Chester Circuit Cardiff Half Marathon Challenge for Big Moose

News | 30 September 2025

We’re proud to announce that members of 30 Park Place are taking part in the Wales and Chester Circuit Cardiff Half Marathon Challenge, raising funds…

30 Park Place welcomes 4 new tenants

News | 6 September 2019

Following the successful completion of their pupillages, Mr William Bebb and Miss Lowri Patterson have accepted invitations to join 30 Park Place. We also welcome…

William Bebb

Expertise

Crime

Additional Information

Appointments

Awards

Education

Languages

Memberships

Notable & Reported Cases

30 Park Place joins the Wales and Chester Circuit Cardiff Half Marathon Challenge for Big Moose

30 Park Place welcomes 4 new tenants

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