Did you look at the list of potential new towns at the end of the article? Cambridge extension? really?
Endless cul-de-sacs of matchboxes on postage stamps, 4-5 bedroom executive commuter houses with tiny rooms, at weird angles. With no cycling or walking routes through the maze or out to the countryside, because each cul-de-sac is a dead end to keep out the riffraff. On the edge of a town where the infrastructure, water supply, sewage works, health care etc is already overloaded.