Duncan Grimshaw


Expert Information
Qualifications BSc Quantity Surveying
LLM Construction Law and Practice
Professional Memberships FRICS
Contract Experience FIDIC, IChemE, JCT, PPP/PFI, NEC3/4
Services Quantum
Sectors Buildings, Transportation Infrastructure, Industrial & Manufacturing, Power & Utilities, Resources
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 is a chartered quantity surveyor with over 35 years of construction industry experience. He has been appointed as a quantum expert on more than 15 occasions.

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, IChemE and PPC2000.

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 and holds an LLM in construction law and legal practice. He is also a Bond Solon accredited expert witness.

Contact Duncan
Location Birmingham, UK, London, UK