David Davis and Michel Barnier at a press conference where the EU negotiator said the two sides were “quite far away” from having made enough progress to start talks about a trade deal Getty Images

A lack of progress on Britain’s Brexit divorce bill is undermining trust, which could damage any future relations with the European Union, Michel Barnier warned.

The EU’s Brexit negotiator said there had been no “decisive progress” on key issues as the third round of detailed talks in Brussels ended in stalemate.

Appearing alongside David Davis, the Brexit secretary, at a packed press conference, Mr Barnier said the two sides were “quite far away” from having made enough progress to even start talks about a future trade deal.

“We did not get any decisive progress on any of the principal subjects,” Mr Barnier said. “Time is passing quickly and was short to start with.”

As the bitterness of the stand-off emerged, Mr Barnier was forced to…