In the lead-up to the general election in the UK this year, everyone was talking about property. In the crowded south of our archipelago, it’s an obsession rivalled only by immigration – and that’s because people are worried about immigration’s effects on house prices. If you own a property, everyone wants to know: how much is it worth; how much did you pay for it; how much has its value gone up? If you don’t own a property, they ask: will you ever be able to afford one; how much are y...