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James Allman, BSc (Hons)

Consultant Quantity Surveyor

Birtley, Chester-le-Street, Durham
Construction Quantum and NEC/ICC Compensation Events Expert Witness

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Professional Summary

James Allman, BSc (Hons) is a Consultant Quantity Surveyor expert specializing in construction quantum and commercial dispute resolution. With a career spanning major infrastructure and specialist construction projects across diverse sectors such as aviation, nuclear, and civil engineering, he brings a comprehensive understanding of contractual and commercial management to his litigation work. His work centers on investigating NEC/ICC compensation events, assessing loss and expense claims, and evaluating whether contractual entitlements have been met.

Mr. Allman has been retained in numerous expert witness and consulting engagements throughout the UK, involving complex infrastructure and construction disputes. His BSc (Hons) in Quantity Surveying, along with his ongoing pursuit of full membership with the Chartered Institution of Civil Engineering Surveyors (CICES), reinforce his ability to deliver objective, defensible analyses. He is regularly engaged by both plaintiff and defense counsel to provide clear, independent determinations of responsibility in disputes involving NEC3/NEC4 and ICC contracts.

Work Experience

Logic-I / PFP — Commercial Manager | 2025–Present Grasp QS / Exyte Hargreaves — Senior QS / Change Management Consultant | 2024–2025 Gleeds LLP / Hargreaves Jones — Contracts Manager | 2022–2024 Horabin Associates Ltd — Senior QS / Claims Consultant | 2022–2024 Tilbury Douglas Construction Ltd — Commercial Lead / Senior QS | 2019–2022 Kier — Senior QS / Change Lead | 2018–2019 SLJV (Sisk / Lagan) — Senior QS | 2007–2018 Socotec Ltd — Commercial Lead | 2007–2018 BAM Nuttall Ltd — Section QS | 2007–2018 Corbyn Construction, Southbay Civil Engineering, VolkerStevin, Cru Contracts and Carillion — QS roles | 2007–2018

Expert Intelligence

AI-Generated AnalysisBased on public information

Best Descriptor

James Allman specializes in managing commercial aspects of construction projects, particularly in passive fire protection and compensation events.

Best Use Cases

  • 1dispute resolution in construction contracts
  • 2negotiation of compensation events
  • 3commercial management of construction projects

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Education

  • BSc (Hons) in Quantity Surveying

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