Graham Rex, BSc(Hons), MRICS, FCILA, ACII, MCIArb, Cunningham Lindsey
Richard Thomas, BSc(Hons), C.Eng, MICE, ACILA, RTG Expert Services
This modified version incorporates some helpful suggestions from Richard Driscoll and now has a supportive extract from R Driscoll & H Skinner (2007) "Subsidence Damage to Domestic Buildings: A Guide to Good Technical Practice" appended.