UK Election 2019: Boris Johnson wins large majority, vows to deliver Brexit by January 31

That concludes our live coverage of a historic day for the United Kingdom.

The final seat of Truro and Falmouth has just been declared as a win for the Conservative Party, taking Prime Minister Boris Johnson's total number of seats to 365 in a landslide victory that will shape politics for many years.

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Labour leader Jeremy Corbyn says his replacement will be named in the "early part of next year."

Asked when he would stand down following his party's crushing election defeat, Corbyn said the decision was up to his Labour's national executive but confirmed a decision would be made soon.

In the immediate aftermath of the election, 70-year-old Corbyn said he would not lead the party into another election but resisted calls to step down immediately.

Amid the bitter fallout from Labour's failed campaign, former Party Home Secretary Alan Johnson called Corbyn "a disaster on the doorstep. Everyone knew that he couldn't lead the working class out of a paper bag."

The head of the European Commission says the one-year time frame for striking a post-Brexit trade deal with Britain is "challenging" but wants the new relationship to be "as close as possible."

Ursula von der Leyen told reporters in Brussels on Friday that the EU expects Britain to leave the European Union by January 31.

"We are ready to move to the next phase," she said following Boris Johnson's election victory.

Leaders of the remaining 27 EU member states discussed the next steps at a summit on Friday, which Johnson was unable to attend.

Downing Street staff applaud Boris Johnson as he arrives back after meeting the Queen.

(AAP)

David Cameron, the former prime minister responsible for the UK's Brexit referendum in 2016, has offered his congratulations to Boris Johnson and the Conservative Party for their victory.

"It's an extraordinary result, a powerful result," he told press.

"It marks the end of Corbyn and Corbynism, and that's a very good thing for the country. But more to the point, it gives us a very strong and decisive government, and the opportunity to build the dynamic economy and the good public services that we need in Britain.

"And that's the most important thing of all – winning the trust of people who have put their trust in us, many of them for the first time, and Boris will have my full support as he does that."

Boris Johnson has met with Queen Elizabeth II to be asked by the monarch to form a government in her name.

Johnson spent more than half an hour at Buckingham Palace for the constitutional ritual.

He is the 14th prime minister since the Queen started her reign in 1952.

Boris Johnson has arrived at Buckingham Palace, to formally ask the Queen for permission to form his new government.

Britain's Prime Minister Boris Johnson arrives at London's Buckingham Palace. (AP)

Johnson leaving No. 10 Downing Street to visit Queen Elizabeth II at Buckingham Palace. (AP)

Scottish First Minister Nicola Sturgeon is set for a showdown with Boris Johnson as she insists the SNP's election success gives her a "renewed, refreshed and strengthened" mandate for a second vote on Scottish independence.

Her Scottish National Party made a series of gains north of the border, including ousting Liberal Democrat leader Jo Swinson.

Sturgeon said it had been an "exceptionally good night", with the results leaving Scotland and the rest of the UK on "divergent paths".

'There is a clear endorsement Scotland should get to decide our future and not have it decided for us,' said First Minister and SNP Leader Nicola Sturgeon. (Getty)

The SNP won 47 MPs, up from the 35 they won two years ago, making it the party's second best Westminster result ever. While the Tories made gains south of the border, in Scotland it was a different story: there are now six Tory MPs in Scotland, down from 13 in 2017.

The Tory campaign in Scotland had focused squarely on preventing a second vote on independence, while the SNP had based their campaign on stopping Brexit and pursuing a fresh independence referendum.

"I accept that Boris Johnson after this election has a mandate to take England out of the European Union but he does not have a mandate to take Scotland out of the European Union," Sturgeon said.

"There is a clear endorsement Scotland should get to decide our future and not have it decided for us."

She will write to the prime minister before Christmas to formally demand Holyrood be given the power to hold a second vote on independence.

While Johnson has previously made clear he will block such a ballot, Sturgeon said the Tories must "reflect very carefully" on the result of the election.

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