Sebastian Gardiner
  • His work includes challenging murder cases

    Legal 500 2018

  • Ranked as a leading Junior in Crime

    Chambers UK 2019

    A fearless and dogged advocate in challenging criminal trials where prosecution evidence must be faced head-on.

    Legal 500 2020

  • Ranked as a leader in Crime in the Legal 500.

    Legal 500 2020

Called 1997

Sebastian Gardiner


Sebastian Gardiner is a leading junior in chambers and a trial specialist with a wealth of experience in defence work. He is consistently instructed in all areas of serious crime, predominantly allegations of murder, large scale drug supply and importation cases as well as major fraud offences. Recommended in Chambers and Partners 2016.

He has developed a particular expertise in offences under the Misuse of Drugs Act and has been involved some of the largest drugs cases in the UK.

Sebastian has a keen interest and expertise in issues surrounding the right to protest and to lawful assembly. He has provided advice on police powers and prosecutions for matters relating to civil disobedience and non-violent direct action.

He has successfully represented clients in the Court of Appeal and advises in that regard.

He was recently elected onto the executive committee of the Criminal Bar Association to represent the profession, and was previously the chairman of the crime group the Society of Labour Lawyers.

Recommended as a leading junior in crime in Chambers UK

Associated Work

  • Lectured on various aspects of Misuse of Drugs Act [1971]
  • Edited publication for RELEASE and other organisations.
  • In house lectures on Criminal Procedures and Investigations Act [1996], and Criminal Justice Act [2003].

Professional Memberships

  • Criminal Bar Association
  • Society of Labour Lawyers
  • The Howard Reform League
  • Liberty
  • Association of Regulatory and Disciplinary Lawyers (ARDL)
  • Chambers Ambassador to the Bar Council

Chambers UK Bar 2016 Top Ranked