Dr Cyril Chern > 4 New Square Chambers > London, England > Lawyer Profile

4 New Square Chambers
4 New Square

Living Wage

Work Department

Domestic and International construction litigation, dispute boards, arbitration, and mediation


Dr Chern in addition to being a Barrister is a Chartered Architect, Chartered Arbitrator, Accredited Mediator, and Adjudicator and holds the degrees of BArch in Architecture & Engineering and Juris Doctor (Law). He is a Fellow of both the Chartered Institute of Arbitrators and the Dispute Board Federation (DBF) (Geneva, Australia, London, Lisbon). He is secretary of the DBF and is on both the FIDIC President’s List of Adjudicators and is an adjudicator and dispute board trainer for FIDIC, the DBF, the World Bank, and the International Chamber of Commerce (ICC).

His expertise is in construction matters with complex construction issues in the United Kingdom, Europe, the Middle-East, South America, China, Singapore, and internationally with emphasis on major infrastructure development, dispute prevention, as well as related financing and delay analysis.  In addition, he is an adjudicator and arbitrator of construction and engineering claims, chairs dispute boards, and acts as mediator and/or dispute resolver, specifically on complex construction/engineering projects. These include hydro-electric and nuclear power facilities, airports, facility and processing development, water treatment facilities, rail and roads projects, bridges, and tunnels. Current Dispute Adjudication Boards include the Marmaray Light Rail System for Istanbul, the Muscat Airport in Oman, The Port of Tema and Harbour in Ghana, and the Chernobyl Encasement in Ukraine.

Dr Chern is also the author of numerous leading books relating to adjudication and construction including: Chern on Dispute Boards – now in its 4th Edition (Informa), International Commercial Mediation, The Commercial Mediator’s Handbook, and The Law of Construction Disputes now in its 3rd Edition (Informa). His newest book on Nuclear Infrastructure Development was just published by Informa Law from Routledge.


English, French, German, Spanish, Russian


The Dispute Board Federation, The Civil Mediation Council, TECBAR, RIBA, ACE



Lawyer Rankings

London Bar > Construction

(Leading Juniors)Ranked: Tier 2

Cyril Chern 4 New Square ‘He is a stunning cross-examiner, and amazing as counsel with his commercial ability and skills, his rigorous grounding in the law, and superb attention to detail. He is a superlative barrister and the consummate advocate.’

4 New Square provides representation on a range of construction-related matters, and coupled with its professional negligence expertise, it offers particular strength in defending claims for contractors. Four members of chambers have been instructed on different aspects of UBB Waste v Essex County Council, a high-value dispute over a 25-year PFI contract for the construction and operation of a waste treatment, including Roger Stewart KC, Richard Liddell KC, George McDonald and Lucy Colter. Thomas Ogden is acting on Frames Process Systems v Vulcanic UK, a multi-million euro claim relating to defective equipment on offshore vessels. Members of chambers are also instructed on a number of delay and disruption construction claims, as well as claims involving issues of insurance. Internationally, it is involved in a range of construction arbitration matters, with Cyril Chern acting on a number of arbitrations relating to major engineering and construction projects.

London Bar > International arbitration: counsel

(Leading Juniors)Ranked: Tier 2

Dr Cyril Chern4 New Square ‘Unparalleled advocacy skills, exacting cross examination abilities and creative advice, which put him at the top of his field.’