Faced with a personal housing crisis – part of a country-wide system of inequality – Catrina Davies took the radical decision to make a dilapidated shed into a home of her own, as told in her latest book, Homesick: Why I Live in a Shed. She talks – and sings – about how simplicity can be a tonic, not a sacrifice, about Britain’s broken housing and economic system, and about how wanting less can set you free.