OP was talking about UK. Which, in immigrant context, is mostly London. Which is truly sad housing situation. Talking your link, the problem is most of the vac

OP was talking about UK. Which, in immigrant context, is mostly London. Which is truly sad housing situation. Talking your link, the problem is most of the vacant homes are where people don't want to live. You'd have 3.5mio people without incomes to maintain their housing. Why Silicon Valley has housing crisis if there're 18.9mio vacant houses? :)