In the final week of the series, the owners of three terraced houses in Cardiff are handing over their keys to a group of their knowledgeable ‘nosey neighbours’. Today's homes are an Edwardian terrace with a sleek, modern update, a terrace designed with a nod to the peaceful and serene, and finally a revamped Victorian terrace designed in a ‘maximalist’ style with a love of the bold and the dark.