Pledging that Labour would “unleash the big build”, Sir Keir vowed to build “the next generation of Labour new towns” to prevent home-ownership from becoming “a luxury for the few not the privilege of the many”. He would release “dreary” green belt land such as disused car parks he branded the “grey belt”. He pledged to “bulldoze through” the UK’s “restrictive” planning system.He promised to devolve power to towns and cities across England, giving them the kinds of powers enjoyed by London, Greater Manchester and the West Midlands. “If we want to challenge the hoarding of potential in our economy then we must win the war against the hoarders in Westminster,” he said. “Give power back and put communities in control.”