CABINET Ministers have drawn up a secret No Deal “Plan B” in case Parliament votes down Theresa May’s deal, The Sun can reveal.

The Prime Minister has been confronted with a plan that would see the UK leave with No Deal in March next year but pay £18billion to delay the pain by two years.

2 PM Theresa May and Chancellor Philip Hammond have been briefed on the Bexit back-up plan Credit: AFP

The alternative brainchild of Cabinet Brexiteers would see the UK continue to pay the same amount as membership fees up until 2021 and follow EU rules to avoid a cliff edge exit.

But crucially it would mean the UK would be able to negotiate with Brussels as a “third country” for two years, which they believe would make hammering out a new Free Trade agreement easier.

And they say it would avoid the UK having to pay the full £38billion divorce bill, plunging borders in chaos or being tied to Brussels forever.

Mrs May is understood to have told the Brexiteer ministers that their plan “was not needed yet” but it was greeted with a “surprisingly warm response” from Chancellor Philip Hammond.

2 EU chief negotiator Michael Barnier Credit: Getty - Contributor

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A Cabinet source said: “No Deal is looking more and more likely every day, so this is No Deal but a managed No Deal.”

Labour's Diane Abbott warns that Leave would win again in the event of a second referendum