Andy Burnham, the sole candidate to succeed Keir Starmer as UK prime minister, has confirmed he will not call an early general election and will retain the state pension triple lock, in a series of public statements that begin to define his policy platform ahead of his expected entry into Downing Street on 20 July. During a Reddit “Ask Me Anything” session and an LBC radio interview, Burnham also declared himself a “strong supporter” of proportional representation and said he saw scope for a more ambitious post-Brexit trade deal with the European Union.

From Westminster, Burnham’s commitment to the 2024 Labour manifesto — including its pledges not to raise income tax, national insurance or VAT — was reiterated, though he indicated there was “some room” for movement on business rates, suggesting higher levies on large warehouses to fund cuts for high-street businesses. The Conservative opposition, led by Kemi Badenoch, accused Burnham of avoiding scrutiny by choosing a moderated online forum over a press conference, and argued that the defence spending shortfall should be met through welfare cuts rather than new taxes. Burnham rejected “crude cuts to benefit levels” and said he would instead focus on education and work placements to reduce the benefits bill.

The incoming prime minister faces an immediate fiscal challenge: a £15 billion increase in defence spending announced by Starmer, with at least £4.7 billion in savings yet to be identified from other departments. Burnham has pledged to “fully fund” the defence investment plan but has not detailed how. His decision to maintain the triple lock — a policy criticised by some of his own economic advisers for favouring wealthy pensioners at the expense of younger generations — will constrain his fiscal room for manoeuvre, according to analysts in London. Meanwhile, his support for electoral reform signals a potential long-term shift in Labour’s constitutional stance, though he acknowledged he must first persuade his party to include it in the next manifesto.

Burnham’s positioning comes as he prepares to inherit a government grappling with strained public finances and a volatile international environment. Starmer, in his first interview since resigning, warned that the world is “more dangerous and volatile” than for most of his lifetime, a reality that will shape the new leader’s agenda. The new chancellor, whom Burnham will appoint, is expected to deliver a first Budget in the autumn, where the funding gap for defence and the sustainability of the triple lock will be tested against the government’s fiscal rules. The Labour leadership transition is set to be formalised on 20 July, after which Burnham’s policy pledges will face parliamentary and public scrutiny.