Property redevelopment series. Lucy Alexander meets a property-developing family in Kent, and Martin Roberts visits homes in Stoke and Cumbria. But does anyone make a profit?

Martin Roberts looks round a large 1970s detached house in a quiet Derbyshire village, before calling into an enormous Georgian flat in Shropshire. Meanwhile, Lucy Alexander pops into a small former hair salon in Kent. But will it go for a snip?