A vote will take place in the Commons at 7pm after the Supreme Court agreed with campaigner Gina Miller that MPs should have a say on Article 50 – the starting gun for exit negotiations.

MPs are expected to approve the bill but that won’t be the end of the matter, with three more court cases seeking to disrupt our divorce from the bloc.

A group is asking the High Court to decide if Parliament should be given a vote on the UK’s membership of the EEA – which allows EU members to trade freely with Iceland, Lichtenstein and Norway in a single market.

Peter Wilding, chairman of think tank British Influence and the man who is said to have coined the word Brexit, told Sky News: “The public voted to give sovereignty back to the Westminster Parliament, and what could be more important after the Gina Miller case than giving Parliament the say on whether it leaves … the single market?

“This may be upsetting to various people who aren’t thinking it through. But, really, this is about giving Westminster the perfect right to decide the future of our country.

“This is the most important decision this country is making since the Second World War, and if Parliament is not involved in it, then that’s overturning the will of the people of the referendum.”

An application to seek judicial review was due to be heard on 16 January but this has now been postponed until early February, it has been reported.