Patterns of leaving the parental home and transitions to independent living, partnership and family formation in the UK are now far more protracted and diverse than they were in the recent past. Over the past twenty years there have been significant changes in the institutional and structural context within which young adults make these transitions. This article examines changes over the past twenty years in the living arrangements of young men and women aged 16 to 34 years and how the proportions living with their parents differ by geographical region, education and economic activity.