Andy Burnham, the UK’s presumptive next prime minister, is considering unveiling a bolstered budget later this year as allies and experts seek to persuade him to pursue a land tax, public control of utilities and a more ambitious devolution strategy.

Andy Burnham, the UK’s presumptive next prime minister, is considering unveiling a bolstered budget later this year as allies and experts seek to persuade him to pursue a land tax, public control of utilities and a more ambitious devolution strategy.