Dan Cruickshank takes an up-close-and-personal look at the place we are all familiar with but rarely stop to question – our home. Why are those stairs at that angle? Why is the kitchen at the back of the house? Why are some houses made of wattle and daub, and some of brick? And why do some live in a terrace and some in a flat? How did the British home end up looking the way it does – and why?