Kirstie Allsopp and Phil Spencer consider the dilemma of growing families versus empty nesters, shining the spotlight on two homes that needed adapting for two families at very different life stages. In Swansea, Sarah and Caradog needed to expand their cramped four-bedroom home to accommodate their growing family, while in Caterham, Surrey, Ruth and Ken needed to resolve the debate over their three-storey townhouse following the departure of their children.