The stark warning came from one of Emmanuel Macron’s strongest allies and former French EU minister Nathalie Loiseau.
Speaking to Sky News’ Sophy Ridge, Ms Loiseau confirmed that there would be no discussion on a future trade relationship until the divorce bill, citizens rights and the Irish border are solved.
The stark warning from the French side adds to the escalating standoff between the UK and the European Union ahead of the October 31 deadline.
Ms Loiseau said that Boris Johnson’s threat of a no deal Brexit would solve nothing.
She suggested that this approach would and the UK back in the position it is in now.
The newly-elected French MEP added that the EU would only grant an extension to Brexit "if there is something serious happening" like a general election or a people's vote.