In Lincolnshire, Tinie Tempah follows a couple of serial property flippers who are about to finally settle down in the modern country home of their dreams, but not before they add three massive extensions. Later, in Hertfordshire, he meets a newly qualified architect who is building an extension for his first clients - his fiancée and their blended family.

Music artist and property developer Tinie Tempah meets a pair of yoga and sustainability entrepreneurs try to build the 'wellness extension' of their dreams in north London. A few miles away, south of the River Thames, he joins a couple who are adding a 'floating' terracotta extension to their rundown 1930s home.