Helen Valley > 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


A Barrister with over 25 years experience defending serious and complex crime,including homicide,firearms,drugs and fraud cases.

In her fraud work she is routinely instructed on behalf of professionals such as Doctors, Local Authority Officials and Company Directors.

Helen is particularly known for her sensitivity and patience with clients and her ability to deal with vulnerable Defendants.


Called to the Bar in 1990

Helen is part of a team of practitioners and Judges who have been accredited to train new entrants in advocacy techniques and best practice.

Helen took part in the consultation process in relation to pre-recorded cross-examination of vulnerable witnesses and has co-authored a leading article on the topic.

Helen has spoken in this regard to various organisations including the London Criminal Courts Solicitors Association and the Criminal Law Review Conference.


Criminal Bar Association, Female Fraud Forum and Proceeds of Crime Lawyers Association.


BA( Hons) – London University

Diploma  in Law

Bar Vocational Course – Inns of Court School of Law

Lawyer Rankings

London Bar > Crime

(Leading Juniors) Ranked: Tier 3

Helen Valley25 Bedford RowHelen is a hugely effective, experienced, assured and able senior junior with an outstanding courtroom manner. She is renowned for her measured approach, calmness under pressure, lightness of touch, thought processes and charm. She has an abundance of patience, politeness and understanding for all those with whom she comes into contact. Helen possesses rare judgment, intuition, knowhow and a first-rate work ethic.