Where the heart is

When most people see a "For Sale" sign on a house they think of mortgages, floor space, even that semi-illicit thrill of turning up to an auction when you've no intention of bidding or even looking over a contract. But two years ago Mat Gallois, Caroline Comino and Vesna Trobec saw something else. They saw a pile of money just waiting to be turned into shelter for people in the developing world. One house that could become 1000 homes...