3PB’s Construction and Engineering team contribute to RICS professional standard

15th September 2026

3PB Barristers' (3 Paper Buildings) expert construction law barristers James DavisonJames DavisonCall: 1996, David Parratt KC (Scot)David Parratt KC (Scot)Call: 1999Silk: 2017 and Peter ColliePeter CollieCall: 1994 have contributed to the fifth edition of the Royal Institute of Chartered Surveyors (RICS) “Surveyors acting as expert witnesses” professional standard.

Head of Construction and Engineering James Davison authored the latest edition of the standard, while the updates to the standard were guided by an expert group of sixteen contributors, including David Parratt KC (Scot) and Peter Collie, who chaired the panel.

Effective from 30 November, the RICS expert witness standard is written to offer guidance on the professional standards surveyors must uphold while providing expert evidence in civil proceedings. The standard supports best practice and global consistency, with this new edition having been updated with key topics such as conditional fees, challenges involving modern technology, and places focus on integrity, impartiality and surveyors acting within an area of expertise.

To access the fifth edition of "Surveyors acting as expert witnesses", as published on 30 July 2026, please click here.

To contact or instruct James, David or Peter, please email Practice Director Joe Townsend, or telephone 3PB’s specialist construction clerks on 0330 441 7576.