Now that Labour has won lots of seats everywhere, will that make it easier or harder for them to overcome some of the big political obstacles to achieving growth in Britain's cities and towns?

The path out of the housebuilding crisis requires planning reform, making it easier to build in the green belt. On one hand, the big electoral mandate will make it easier to push through controversial planning changes. On the other, the new Government will have lots of MPs in places that don't want development.