Duncan Grimshaw


Construction 2023
Consulting 2022
Expert Information
Qualifications BSc Quantity Surveying
LLM Construction Law and Practice
Professional Memberships FRICS
Contract Experience FIDIC, IChemE, JCT, PPP/PFI, NEC3/4
Industries Buildings, Healthcare and Life Sciences, Power and Utilities, Production and Manufacturing, Real Estate and Tourism, Sports and Entertainment, Transportation Infrastructure
Regional Experience Africa, Europe, Middle East
Expert Highlights
  • Fellow of the Royal Institution of Chartered Surveyors.
  • Proven as a credible expert witness under cross-examination.
  • Delivered both written and oral evidence in litigation and ADR.
  • Appointed as the named quantum expert on more than 15 occasions.
  • Has been the named expert on claims of £100 million.
  • Assisted the named expert on disputes in excess of £1 billion.

Duncan Grimshaw is a Chartered Quantity Surveyor with over 35 years of construction industry experience. He has been appointed as a quantum expert on more than 40 occasions.

Duncan Grimshaw impresses market commentators with his vast experience and deep expertise in complex quantum matters.

WWL Consulting Experts – Construction – Quantum, Delay & Technical 2023

Duncan has been cross-examined in both the courts and alternative dispute resolution (ADR) proceedings. His expert roles have been in relation to a variety of building, industrial, and infrastructure projects, with disputed values of up to £100 million. Duncan has also assisted the named expert for disputes with claims in excess of £1 billion.

Duncan has worked for national and international contractors and major consultancies as a quantity surveyor, project manager and employer’s agent. His experience includes commercial management and project management using standard and bespoke main works contracts and sub-contracts including JCT, FIDIC, NEC3/4, and IChemE.

Duncan has specialised in dispute resolution for more than a decade. Alongside his expert work, he also undertakes dispute avoidance commissions for live projects, aiming to reduce claims between contractors and employers and from subcontractors to main contractors.

Duncan is a fellow of the Royal Institution of Chartered Surveyors, a practising member of the Academy of Experts, and a member of the Society of Construction Law. He holds an LLM in construction law and legal practice, an Advanced Professional Award in Expert Witness Evidence, is a Bond Solon accredited expert witness, and an ECC accredited Project Manager for NEC3.

Duncan has the ability to assess a range of complex construction claims. His written reports are clear and easy to read.

Contact Duncan
Location: , United Kingdom

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