Jamie Carpenter KC > Hailsham Chambers > London, England > Lawyer Profile

Hailsham Chambers


Jamie specialises in costs and professional and clinical negligence. Leading firms of solicitors in all three areas regularly instruct him, and his costs practice has an international dimension, having advised firms in Dubai, Singapore and the Channel Islands. Jamie is equally at home dealing with narrow points of construction or marshalling complex facts in document-heavy claims. He is a very experienced advocate, having spent much of his earlier years in practice in the criminal courts.

Jamie is in demand as an appellate advocate. In the last three years, he has appeared twice in the Supreme Court and nine times in the Court of Appeal. With his scientific background, Jamie is comfortable dealing with technical and medical issues and complex calculations, and he is a confident and effective cross-examiner of expert witnesses. Jamie is recommended in the professional directories for all of his practice areas. He has been described as “technically brilliant”, “fantastic for complex cases”, “an extremely good advocate, who tackles complex issues fearlessly and effectively” and “incredibly user-friendly … and appreciates clients’ needs”.


Called 2000; Inner Temple.


Fluent German, basic French.


Professional Negligence Bar Association; Association of Regulatory and Disciplinary Lawyers; AvMA.


The Perse School, Cambridge; Trinity College, Cambridge (1996 Diploma in German, distinction; 1998 BA linguistics first class); The College of Law (1999 CPE, distinction); Inns of Court School of Law (2000 BVC, very competent).


Cycling, rock climbing, music, cinema, Tottenham Hotspur FC.

Lawyer Rankings

London Bar > Professional negligence

(Leading Silks)Ranked: Tier 3

Jamie Carpenter KCHailsham ChambersHe is exceptionally bright, incredibly user-friendly, very thorough and great on his feet.

London Bar > Costs

(Leading Silks)Ranked: Tier 2

Jamie Carpenter KCHailsham ChambersA true subject matter expert, Jamie instils absolute confidence and, time and again, he comes up with some clever argument that solicitors hadn’t thought of.

Hailsham Chambers is a key set for costs matters, its group of barristers at the forefront of developments in the law and practice in this area. Members have been involved in important costs decisions at the Court of Appeal, one highlight being 2020 silk Jamie Carpenter KC acting for the latter party in Langer v McKeown, in which the Court of Appeal considered for the first time whether, at the conclusion of a trial of preliminary issues, a Calderbank offer which relates to the entire claim should be treated in the same way as a Part 36 offer. High-value solicitor client disputes have also been a feature highlight at chambers with Carpenter on the opposite side to experienced costs silk Alexander Hutton KC in Privinvest v Quinn Emanuel, Hutton acting for the former, in its application for detailed assessment for £14m of costs, which was settled in November 2021. Andrew Post KC practices in costs and criminal negligence, often acting where points of principle arise in large scale litigation, and on appeals where there are issues of wider significance. A particularly strong crop of juniors includes non-contentious costs specialist Mark Friston; senior junior Dan StaceyJoshua Munro, who has experience in costs disputes at the Court of Appeal, and the Supreme Court; and Imran Benson, who was appointed a Deputy Costs Judge at the Senior Courts Costs Office in August 2021.