The exclusive ComRes survey for The Daily Telegraph found that 46 per cent of adults think leaving without a deal would “briefly cause some uncertainty but ultimately work out OK”, compared with 40 per cent who support extending Article 50.

Three in 10 adults (30 per cent) think leaving the EU without a deal on March 29 will be the best possible outcome, according to the poll, compared with more than two in five who disagree (43 per cent).