Duncan has over 25 years’ experience in construction, infrastructure, mining, arbitration, planning, commercial, insurance and common law.
His practice is mainly concerned with the resolution of construction-related and insurance disputes covering buildings, roads, railway infrastructure and rolling stock, (mining and manufacturing), processing operations, ports, airports and pipelines, and in planning and environmental disputes for both councils and developers.
Duncan has been continuously listed in the Best Lawyers Guides since 2011 as one of Australia’s leading lawyers in both Commercial Law and Construction & Infrastructure Law. He has also been listed in Doyle’s Guide to Legal Practitioners in Construction Law and Planning / Environmental Law since 2012, where he is recognised as “pre-eminent” at the NSW construction bar: “… the state’s most widely preferred construction Senior Counsel”.
Chambers Asia-Pacific 2015 lists Duncan as a notable practitioner: "a real construction specialist with a tenacious approach".