For eighty years, Britain has been trying to live up to this promise: "Build the homes the nation needs." For those same eighty years, governments have fallen short. Britain became the nation that stopped building. The cost is paid not just in rent and mortgages, but in productivity, mobility and generational fairness. We used to understand homes were as vital to national wellbeing as hospitals, railways or energy grids, though. So, how did we end up setting smaller targets and still missing them?