Fire Investigation in the UK: Process, Standards, and Expert Evidence

When fires occur, investigation determines the cause. We explain the UK fire investigation process and the role of expert witnesses.. Fire Investigation Process Scene Examination 1. Scene preservation and documentation 2. Systematic excavation following fire spread patterns 3. Origin determination using fire pattern analysis 4. Cause determination — accidental, deliberate, or electrical Standards NFPA 921 — Guide for Fire and Explosion Investigations (internationally recognised) BS ISO 3941 — Fire investigation methodology CPR Part 35 — Expert evidence in civil proceedings Expert Witness Role Fire investigators may provide expert testimony in: Criminal prosecutions (arson) Civil claims (negligence, product liability) Insurance disputes (coverage, subrogation) Regulatory proceedings (enforcement actions) For fire investigation and expert witness services, contact us.