Kirstie Allsopp and Phil Spencer look back at 20 years of finding homes for people who were arriving in, or returning to, the UK. British-born Paul and his American wife Lauren are moving to the UK from Holland. However, they have never viewed a house here and it proves a shock. Olivier and Cheyvonne cannot believe how much the housing market has changed since they left for France, while Paul and Alissa want an American-style house in Windsor, but the limited space available for their money proves a disappointment.