Theresa May will hold talks with Juncker in hopes of a revamped Brexit deal (Image: Getty)
The Prime Minister and the European Commission president are expected to thrash out the framework for a legally binding declaration, saying that the UK cannot be indefinitely trapped into an EU customs union.
Whitehall sources said she could present a revamped deal for Commons approval in a fresh "meaningful vote" as early as next week.
Mrs May last night held talks with the Tory MPs behind the Malthouse Compromise, a proposal based on dumping the "backstop" clause - that ensures there is no hard border between Northern Ireland and the Republic of Ireland - in favour of a longer transition out of the EU.
She sought to reassure the group, including senior backbencher Jacob Rees-Mogg and former Brexit minister Steve Baker, that their plan for "alternative arrangements" to replace the so-called "backstop" clause in the EU Withdrawal Agreement was still on the table.
After the talks, a statement from Mr Rees-Mogg and Mr Baker said: "The Malthouse Comprise is alive and kicking. We look forward to further developments."
Foreign Secretary Jeremy Hunt predicted a