Adrian Williamson KC
Call: 1983
Silk: 2002
"Adrian Williamson KC is clear-thinking, cuts straight to the point, absorbs facts and information, and reaches conclusions swiftly."
Chambers UK Bar 2024
Call: 1983
Silk: 2002
"Adrian Williamson KC is clear-thinking, cuts straight to the point, absorbs facts and information, and reaches conclusions swiftly."
Chambers UK Bar 2024
Adrian Williamson was called to the Bar in 1983 and has been a practising barrister in Keating Chambers since 1989. Adrian specialises in construction, engineering and technology disputes and he is also highly regarded for his expertise in professional negligence and insurance actions within these specialist areas. He took silk in 2002.
Adrian’s practice covers all aspects of law within his specialist fields, including advisory work relating to standard form and bespoke contracts; contractors’, sub-contractors’ and employers’ claims; and professional negligence claims (architects, engineers, surveyors and project managers). This work includes advisory work, drafting and of course advocacy for which he is widely regarded as a formidable opponent. He regularly appears in the Technology and Construction Court in London and in arbitrations in many parts of the UK and abroad. Adrian has also appeared in the Court of Appeal on many occasions and in the Privy Council. He has represented clients in adjudication and mediation and is himself an adjudicator and arbitrator.
Claim against contractor for overpayments in relation to PFI-style contract.
Acting for Main Contractors in arbitration relating to office development in Central London.
Defending claim in relation to alleged undeclared discounts in respect of London hotel development.
Making and resisting claims for notified sums in respect of adjudications.
Appearing on behalf of Franco-Japanese Joint Venture in a US$80 million Hong Kong arbitration concerning the Strategic Sewage Disposal Scheme.
Appearing for a UK/Japanese Joint Venture in a London arbitration concerning the Tsing Ma Bridge in Hong Kong (claim for HK$480 million).
Representing structural steelwork contractors in respect of a £10 million claim arising out of a crane collapse at Canary Wharf.
I have sat as Adjudicator on numerous disputes including:
a dispute concerning the Project Manager’s assessment of Defined Cost and/or Disallowed Cost on a large infrastructure project;
a dispute relating to the deduction of damages in respect of an EPC Contract for the construction of a recovered wood fuel chip fired power plant;
an insolvency dispute in regard to a Sub-Contract for the provision of marine transportation services;
a dispute concerning Compensation Events under an NEC3 contract for the construction of jetty bridge piles;
a dispute in relation to the definition of Adjustments in a Project Agreement;
a delay and disruption claim in regard to a London Underground project.
I have also been appointed to adjudication panels, including the Institution of Civil Engineers Adjudication Panel for the Crossrail project.
I have been a Deputy High Court Judge since 2010, sitting in the TCC and the Queen’s Bench Division. Reported judgments include the following:
Curti Environment Technologies Ltd v Halo Battery Recycling Ltd [2022] 1 WLUK 153.
Paolo Castelli SpA v Buckingham Securities and Investments Ltd [2020] 6 WLUK 172
Gosvenor London Ltd v Aygun Aluminium UK Ltd [2019] 12 WLUK 124
Mediterranean Hospital of Cyprus (MHOC) Ltd v Secretary of State for Defence [2018] 11 WLUK 300
Prezzo Ltd v High Point Estates Ltd [2019] Lloyd’s Rep. I.R. 202
Lea Valley Developments Ltd v Derbyshire [2017] 4 W.L.R. 120
Liconic AG v UK Biocentre Ltd [2014] 8 WLUK 116
Advised on a professional negligence/fraud arbitration in relation to a nuclear power station where the claim was over £100m.
Advised on a negligence action relating to a coal-fired power station, which is the largest energy-provider of its type in China.
Advised Contractors on claims regarding the Little Barford CCGT power station.
Advised Contractors on claims regarding cooling water pipe works at a combined cycle power plant.
Acting in litigation relating to North Sea wind farm.
Resisting claims for alleged notified sums in respect of ‘excluded operations’.
Claim against monitoring surveyors relating to various developments in the North of England.
Acting in architect’s’ negligence claim on points relating to contractual interpretation.
Claim against architects in respect of London luxury apartment development.
Numerous professional negligence matters, including appearance at trial of surveyor’s negligence claim in Queen’s Bench Division and acting on behalf of solicitors in relation to professional negligence claim being tried in the Technology and Construction Court.
Appearing for Contractors in relation to High Court proceedings in respect of “Claims made” policy.
Representing Trade Contractors in respect of dispute over Contract Works insurance policy.
Various adjudication matters, including advising and preparing documents, appearing at hearings of £2 million professional negligence dispute and accepting appointment as Adjudicator.
Appearing in arbitration relating to software dispute relating to project in Saudi Arabia.
Acted as leading Counsel for the Claimant in arbitration proceedings arising from major disputes relating to the contract for a new computerised ticketing system for the London Public Transport Network.
Advised UK Global Technology Services and Outsourcing Company on its services agreements relating to a new case records system.
Advising and representing a major UK Contractor in a series of adjudications in connection with a number of issues connected with large disputes (regarding a building contract and payment entitlement) arising out of two major PFI projects connected with the design and construction of two hospitals.
Appearing in Chancery division in pensions dispute arising out of PFI contract
Elected Fellow of the Royal Historical Society May 2015
PhD 2014, Trinity Hall, Cambridge
MPhil, Trinity Hall, Cambridge, 2010
Deputy High Court Judge, 2010
Recorder (Crime), 2009
TECBAR Accredited Adjudicator
Public Access Training, 2007
Recorder (Civil), 2004
Queen’s Counsel, 2002
Member, Chartered Institute of Arbitrators (MCIArb), 1999
Keating Chambers, 1989
2 Crown Office Row, 1985-89
Called to the Bar, Middle Temple, 1983
BA in Law, Trinity Hall, Cambridge (1st Class Hons.), 1982
Interests include supporting Arsenal FC, squash, tennis and reading.
Technology & Construction Bar Association (TECBAR)
Commercial Bar Association (COMBAR)
The Society of Construction Law
Co-author, Keating on Construction Contracts – Tenth Edition (2016)
Keating on JCT Contracts – General Editor
Contributor, Keating on Construction Contracts – Eighth Edition (2006) and Ninth Edition (2012)
Editorial team of Keating on Building Contracts, 5th, 6th and 7th edition
Joint Editor Halsbury’s Laws of England, Volume 4 (3) Building Contracts
"Adrian Williamson always thinks strategically and has an incredible knowledge of the law."
'Adrian Williamson KC is clear-thinking, cuts straight to the point, absorbs facts and information, and reaches conclusions swiftly.'
'Adrian's advocacy is very effective; he focuses on the key points.'
"His technical knowledge is second to none. Good skills with clients probably outside those who normally instruct him. He is diplomatic when dealing with a large team structure."
"He is a formidable advocate."
"He has a real depth of experience, and is always brilliantly prepared and an easy advocate to listen to. He breaks everything down in a manageable way even when the case is highly complex."
"He is a first-rate legal mind, who is incisive and gives clear but robust advice." "A very thorough and thoughtful barrister who leaves no stone unturned."
"Clear thinking, concise, focused. Gets to the nub of the matter swiftly."
"Fantastic advocate with good attention to detail."
"He gives good strategic and tactical input. He is very user-friendly and provides important reassurance to clients."
"Has a forensically analytical approach to his advocacy, which instantly gains the trust of the court."
"Leading silk when it comes to disputes about building contracts due to his concise, practical advice and excellent service."
"Cuts through to the key issues, no nonsense."
"A really persuasive advocate who is clearly highly respected by the judiciary."