KEY POINTS
  • A second Brexit referendum may be inevitable, former Barclays chairman Sir Gerald Grimstone warned ahead of crucial Parliament votes this week on Prime Minister Theresa May’s Brexit deal.
  • Only 18 days before the U.K.’s scheduled departure from the EU on March 29, the prime minister is trying, and so far failing, to get concessions from EU leaders on the exit deal before it goes to a vote on Tuesday.
  • "Something has to happen to break this logjam and prolonging it for two or three months is not going to help,” Grimstone told CNBC.

Brexit has shattered the U.K.'s image as a place for investment, the former chairman of one of the country's biggest banks said Monday.

A second referendum on whether the U.K. should leave the EU may be inevitable, Gerald Grimstone, who served as chairman of Barclays, warned ahead of crucial Parliament votes this week on Prime Minister Theresa May's Brexit deal. And he didn't mince his words.