Almost half of voters want a second referendum on Brexit, according to a new poll released on the eve of the second anniversary of the historic vote to leave the EU.

And the survey for ITV1's Good Morning Britain suggested that a fresh poll would produce a very different outcome, with the UK voting to remain in the EU by a margin of 53% to 47%.

The projected result effectively reverses the referendum of June 23 2016, when Leave took 52% of votes, compared to 48% support for Leave.

Pollsters Survation found that 48% of those questioned wanted a second referendum on the final Brexit deal, against just 25% who did not. Some 18% said they did not have an opinion and 9% did not know.

Those supporting a new referendum included 35% of Leave voters and 66% of those who back Remain.

The survey found that 43% of voters back a "soft Brexit" - in which the UK would stay in both the single market and customs union - while 37% favour a "hard Brexit" in which Britain would leave both.

Some 57% of 2017 Labour voters backed a soft Brexit, against 23% who prefer a hard version.

Almost half (47%) of more than 1,000 people questioned thought leaving the EU without a deal would be bad for Britain, compared to 32% who said it would be good for Britain.

Only 35% of people said Brexit would be good for the UK economy, while 39% said it would be bad.

The survey also found limited understanding among voters of some of the key issues in the Brexit debate.

Just 17% of those taking part could identify the correct definition of the customs union, while 38% chose the correct description of the single market.

Nearly two-fifths (39%) said they had a 'limited' understanding of the issues around the Irish border, while a further fifth (19%) said that they didn't know anything about or hadn't heard of the issue.

Some 40% thought Brexit would make the relationship between Northern Ireland and Republic of Ireland more distant, compared to 30% who thought it would make no difference and 10% that it would make the relationship closer.

Meanwhile, 42% thought Brexit would make the relationship between the Republic of Ireland and the UK as a whole more distant, against just 8% who said it would benefit the relationship and 32% that it would be unchanged.