Sebastian Gardiner > Chambers of P Mendelle QC, G Carter-Stephenson QC & J Dein QC > London, England > Lawyer Profile

Chambers of P Mendelle QC, G Carter-Stephenson QC & J Dein QC
25 Bedford Row

Living Wage


Practises as both leading junior and junior counsel in all aspects of serious crime, predominantly instructed in allegations of murder, armed robbery, large-scale importation and supply drugs offences and fraud, as well as prison work and inquests.

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.


Called 1997; lectured on various aspects of Misuse of Drugs Act 1971 for RELEASE and other organisations; in-house lectures on Criminal Procedures and Investigations Act 1996 and Criminal Justice Act 2003.


  • Criminal Bar Association
  • Society of Labour Lawyers
  • The Howard Reform League
  • Liberty
  • Association of Regulatory and Disciplinary Lawyers (ARDL) 


Manchester (1994 BA Hons); Westminster University (1995 CPE).

Lawyer Rankings

London Bar > Crime

(Leading Juniors) Ranked: Tier 3

Sebastian Gardiner25 Bedford RowSebastian works incredibly hard and really grasps every detail through his forensic-like approach. He is fantastic with clients who regularly comment on just how happy they are with his ability and manner in dealing with the evidence and their instructions. In court, Sebastian has a way that holds everyone’s attention. A very skilful advocate.