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Chris MacPherson, RIBA, RIAS, ARB, PGDip, DipArch, BArch

Head of Architecture EMEA, Technical Expert

London
Forensic Architecture – Fire Safety, Water Ingress, and Construction Design Defects

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Professional Summary

Jason Bagge, BSc, B Arch, LLM is a forensic architecture expert specializing in construction design evaluation and professional negligence. With a career spanning architectural leadership on award-winning projects across diverse sectors, he brings a multidisciplinary perspective to his litigation work. His work centers on investigating fire safety compliance, assessing water ingress issues, and evaluating professional negligence in architectural design.

Mr. Bagge has been retained in numerous expert witness and consulting engagements across the United Kingdom, involving mixed-use developments, residential projects, and commercial properties. His LLM in Construction Law and Arbitration, along with his Chartered Membership in the Royal Institute of British Architects (RIBA), 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 construction defects and design compliance.

Work Experience

Rimkus — Associate Director, Chartered Architect | 2025–Present Fletcher Priest Architects — Professional and Project Standards, and Integrated Management Consultant | 2013–Present William J Marshall & Partners — Senior (expert/forensic) Architect, Chartered Architect | 2022–2024 GMA | Ryder — Architectural Assistant and BIM Coordinator | 2012–2012 Ryder Architecture — Architectural Assistant and BIM Coordinator | 2009–2011 3D Reid — Architectural Assistant | 2007–2007

Expert Intelligence

AI-Generated AnalysisBased on public information

Best Descriptor

Chris MacPherson is hired as a forensic architect and expert witness specializing in fire safety and construction design issues.

Best Use Cases

  • 1fire safety compliance assessments
  • 2construction design disputes
  • 3expert witness testimony in mixed-use developments

Full analysis available to registered users

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Education

  • PGDip in Architecture, Professional Practice and Management

    University College London

  • DipArch in Architecture

    University of Glasgow

  • BArch in Architecture

    University of Glasgow

  • LLM in Construction Law and Arbitration

    Robert Gordon University · 2009

  • Professional Practice and Management PGCert (RIBA Part III)

    The Bartlett, UCL · 1997

  • BArch (RIBA Part II) in Architecture and Urbanism

    University of Bath · 1995

  • BSc (RIBA Part I) in Architecture

    University of Bath · 1992

Licenses

  • Registered ArchitectARB
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