Andy Burnham's ascent to the leadership of the Labour Party is now mathematically certain, having surpassed the 323 nominations required from Members of Parliament. The endorsement from backbencher Mike Reader on Monday morning solidified his position, ensuring no other contender can enter the race. Labour has 403 MPs in total, and other challengers would have needed 81 nominations to be eligible.

Burnham will officially be declared leader on Friday, July 17, and is expected to take over from Keir Starmer on Monday, July 20. Starmer has stated he will not support any other candidate, effectively clearing the way for Burnham's coronation. The departure of former armed forces minister Al Carns last week, who cited a need to avoid prolonged internal party politics, removed the last potential challenger.

Amidst the certainty of his leadership, concerns linger regarding the specifics of Burnham's agenda. He is reportedly planning an "Autumn mega-Budget" that would combine a significant fiscal package with a comprehensive spending review. Whispers suggest potential new taxes targeting the wealthy in the South of England, with proposals such as a land tax, a council tax revaluation, and an enhanced mansion tax being discussed to fund increased council housing and public control of utilities.

However, Burnham has not yet detailed specific tax or spending plans, beyond a commitment to adhere to the existing Labour manifesto and to further devolution. The transition has also seen significant jockeying for positions within the potential new administration. Ed Miliband is reportedly being considered for Chancellor, despite some reservations about his past policy stances. Other potential appointments include David Miliband as Foreign Secretary and James Purnell as Chief of Staff.

Meanwhile, outgoing leader Keir Starmer is set to attend a "Coalition of the Willing" meeting in Paris and participate in Bastille Day events during his final week in office.