Overview Expertise Related Insights, Events & Cases
Rónán Hanna has broad experience in a wide range of construction and engineering disputes.
Both as sole counsel and junior counsel, he has represented employers, contractors, subcontractors, architects and engineers in Court proceedings, domestic and international arbitrations, and adjudications.
Rónán has particular experience in high-value international arbitrations concerning infrastructure and energy projects and involving complex issues of technical evidence and law.
Both Chambers & Partners UK and The Legal 500 recommend Rónán as a leading junior in the construction and professional negligence fields.
Rónán is experienced in dealing with all major standard form building contracts (FIDIC, JCT, ICE, NEC3). He has represented contractors and employers in claims relating to delay and disruption, variations, defects and liquidated damages and regularly advises on issues of contractual interpretation, limitation, exclusion clauses and contract formation. Recent cases include:
Rónán is regularly instructed in in relation to both offshore and onshore energy projects, ranging from CCGT and CHP plants to gas pipelines, wind farms and hydro-electric stations. Recent cases include:
Rónán is regularly instructed in negligence claims against engineers, architects, project managers and surveyors. He has also appeared in the Court of Appeal in a case concerning a solicitor’s negligence. He is experienced in drafting professional negligence pleadings and is well-versed in dealing with experts on questions of technical evidence and advising on the preparation of expert reports. He is also familiar with all major forms of professional services contracts. Rónán has recently been involved in:
Recent instructions include acting for a global provider of technology-based “design and build” process facilities solutions to the upstream oil & gas industry in its Commercial Court claim concerning the supply of topside process modules for an FPSO to operate offshore of New Zealand.
Rónán is familiar with all aspects of adjudication. He is regularly involved in drafting statements of case for adjudication proceedings and has experience in enforcing (or resisting the enforcement of) adjudicators’ decisions. Reported cases concerning adjudication enforcement include Roe Brickwork Ltd v Wates Construction Ltd [2013] EWHC 3417 (TCC) and RWE Npower Renewables Ltd v J N Bentley Ltd [2014] EWCA Civ 150.
URS Corporation Ltd v BDW Trading Ltd [2023] EWCA Civ 772
Cameron Taylor Consulting Ltd v BDW Trading Ltd [2022] EWCA Civ 31
Zurich Insurance Plc v Nightscene Ltd [2019] EWHC 352 (QB) (25 February 2019)
Persimmon Homes Ltd v Ove Arup & Partners Ltd & Anor [2017] EWCA Civ 373
Science and Technology Facilities Council v MW High Tech Projects UK Ltd [2015] EWHC 2889 (TCC)
Parkway Construction Ltd (In Liquidation) v Howard De Walden Estates Ltd [2014] EWHC 1533 (TCC)
RWE Npower Renewables Ltd v J N Bentley Ltd [2014] EWCA Civ 150
Roe Brickwork Ltd v Wates Construction Ltd [2013] EWHC 3417 (TCC)
Rónán is a member of TECBAR, SCL and the LCLCBA.
“Rónán Hanna is a pleasure to work with. He is commercially aware and delivers work on time and to a high quality.”
“Rónán is very switched on and robust, and also very courteous as well.”
Construction, Chambers UK Bar 2025
“He is extremely clever, very good with strategy and tactics, and highly collaborative and commercial. He can master a huge amount of information quickly.”
“Rónán is clever and easy to work with. A great team player.”
Professional Negligence, Chambers UK Bar 2025
“Rónán is a pleasure to deal with and makes himself available to solicitors and clients alike. He builds an encyclopaedic knowledge of tens of thousands of pages of arbitration record and is diligent in developing a case strategy.”
Construction, The Legal 500 2025
“Rónán’s ability to understand incredibly complex legal and technical issues in a short space of time is an asset.”
Professional Negligence, The Legal 500 2025
“A supremely able technician who never makes a badly formulated submission to the court. Able to see a problem from all directions, instilling confidence in both the court and client alike.”
Construction, The Legal 500 2024
“Rónán provides excellent service and advice. He always makes himself available and cuts through complicated issues swiftly and clearly. His submissions are well-structured and very persuasive. He is highly regarded by lay clients and colleagues.”
Professional Negligence, The Legal 500 2024
“Ronan is a pleasure to deal with and makes himself available to solicitors and clients alike. He builds an encyclopaedic knowledge of tens of thousands of pages of arbitration record and is diligent in developing a case strategy.”
Middle East: Construction, The Legal 500 2024
“He grasps complex, often highly technical issues quickly and deals with them effectively and commercially.”
He’s very clever and persuasive in his written arguments, he easily grasps technical details and he’s very accessible.”
“He turns work around quickly and shows a swift and full grasp of the issues.”
Construction, Chambers UK Bar 2023
“He has outstanding technical and legal skills which are invaluable. He would consistently be my first choice.”
“He’s very good on the detail and his client service is also very good.”
Professional Negligence, Chambers UK Bar 2023
“Highly analytical, intimidatingly bright, and very commercial. Ronan’s ability to understand the technical detail of engineering disputes is outstanding. He gives clear and very direct advice and has excellent advocacy skills.”
Construction, The Legal 500 2023
“Personable, insightful, enthusiastic. Clients are extremely positive about Ronan’s work as advocate.”
Middle East: Construction, The Legal 500 2023
“He is clearly an expert in quantum and delay.”
Construction, Chambers & Partners UK Bar 2022
“An extremely tenacious advocate.”
Professional Negligence, Chambers & Partners UK Bar 2022
“An impressive junior.”
Middle East: Construction, The Legal 500 2022
“He is personable to work with and good at preparing witnesses and outlining the details to focus on.” “Ronan is a great communicator and quick thinker.”
Construction, Chambers & Partners UK Bar 2021
“He got up to speed on highly technical points very quickly, which I found impressive. I’m also impressed with his client management skills.”
Professional Negligence, Chambers & Partners UK Bar 2021
“Technically strong with an engaging advocacy style.”
Construction, The Legal 500 Europe, Middle East and Africa (EMEA) 2021
“An absolute work horse and technically excellent.”
Professional Negligence, The Legal 500 2021
“An able junior, technically very strong.”
Construction, The Legal 500 2021
“Ronan is an excellent practitioner, hard-working and great with clients.” “I have found him to be very effective and think he is a good senior junior.”
Construction, Chambers & Partners UK Bar 2020
“He is excellent, very hard-working and will always find time to assist.” “He is very good analytically and very effective in complex disputes.”
Professional Negligence, Chambers & Partners UK Bar 2020
“Very good to work with, down-to-earth and very knowledgeable.” “His work is highly detailed and completed to a high standard.”
Construction, Chambers & Partners UK Bar and Global 2020
“An able junior, technically very strong.”
Construction, The Legal 500 2020
“Brilliant technically and is also very commercial.”
Professional Negligence, The Legal 500 2020
“His work includes challenging disputes around key GCC infrastructure.”
Construction, The Legal 500 Europe, Middle East and Africa (EMEA) 2020
The above are a selection of recent client endorsements from the leading legal directories, both UK and internationally. For a complete list of endorsements, please contact the practice management team at Atkin Chambers.
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For more information please contact our clerks on
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