Tim Tapper

Tim is head of our UK and Europe Expert team. He has over 30 years of experience as a chartered quantity surveyor, with over 25 of those years specialising in claims, dispute resolution and expert witness work.

He provides independent advice to clients and contractors on contractual issues and quantum matters on construction and infrastructure projects, with special expertise in the avoidance or resolution of disputes before they escalate. 

He also acts as a quantum expert witness in litigation, arbitration and adjudication, including professional negligence cases. Tim is a member of the Chartered Institute of Arbitrators, has an MSc in Construction Law and Arbitration, and is a RICS accredited mediator. 

Tim has acted as a quantum expert in over 50 cases and has been cross examined in the Technology and Construction Court in London and both domestic and international arbitrations, along with representation in adjudication and mediation. 

His experience covers a whole range of quantity surveying issues including project budgets, re-measurement, valuation of variations and claims, final accounts, cost audits, disruption and prolongations, and suspension and termination, along with valuation of defective works and associated remedial schemes. 

Tim has also acted as quantum expert in numerous professional negligence claims including those involving quantity surveyors and cases involving fraud. He has worked in locations including the UK, Europe, Middle East, Africa and Asia. 

Experience

• Grain Terminal, Russia US$1bn+ dispute inc road, rail, port infrastructure – appointed quantum expert and cross examined in International Criminal Court
• £150m fraud case in Kazakhstan involving rail, road, warehouse facilities – appointed quantum expert and cross examined in Commercial Court, London
• Blackpool Tram Depot £10m defects case on steel frame and cladding – appointed quantum expert and cross examined in Technology and Construction Court
• Waste to Energy – £75m dispute across three new-build plants in the UK – appointed quantum expert and cross examined in Arbitral Hearing, London
• LNG Plant in Chile US$25m arbitration – appointed quantum expert and cross examined in London