David Cameron prepares for final Cabinet meeting as Theresa May decides who will form her top team

Prime Minister David Cameron is preparing for his final Cabinet meeting on Tuesday as his successor, Theresa May, mulls over who should be in her top team.

Mrs May was left with 48 hours to put together a new team to form a government after being confirmed as the new Conservative Party leader on Monday.

Chancellor George Osborne's position is considered to be under threat, with observers keenly noting how the Home Secretary handles Brexit-backing Boris Johnson, Michael Gove and Andrea Leadsom.

Theresa May was applauded by Conservative MPs outside the Houses of Parliament on Monday Credit: PA

Even before arriving at 10 Downing Street, Mrs May was facing calls for a snap general election from both Labour and the Liberal Democrats.

They are likely to remind her of David Cameron's demand for a general election in 2007 on the grounds that Tony Blair's successor, Gordon Brown, "doesn't have the mandate (and) wasn't elected as prime minister".

However her backers, including Commons Leader Chris Grayling, has stressed that Ms May was a senior member in the Tory team that won a majority in the 2015 election.

David Cameron will hold his final Prime Minister's Questions on Wednesday. Credit: PA

On Wednesday, Mr Cameron will answer MPs' questions in the House of Commons for the last time before visiting the Queen at Buckingham Palace to offer his resignation.

Mrs May will then take office to become the second British female Prime Minister.