AB v JJB (EU Maintenance Regulation: Modification Applicant Procedure) [2015] EWHC 192 (Fam) http://www.bailii.org/ew/cases/EWHC/Fam/2015/192.html
Barrett v Enfield London Borough Council [2001] AC 550 https://www.bailii.org/uk/cases/UKHL/1999/25.html