Britain's economy is on track to be crippled by Brexit and the country would be a lot better off if the process is reversed, according to a key economic survey.

A second referendum overturning a Brexit vote that was partly swung by "less-educated workers" would have a "significant" and "positive" impact, the Paris-based Organisation for Economic Co-operation and Development (OECD) said.

The 2017 survey on the UK economy projects growth of just 1% in 2018 and says the ongoing uncertainty in Brexit talks means a free-trade agreement with the EU is unlikely to be agreed by the 2019 exit date.

Its other stand-out analysis of Brexit included:

Chancellor Philip Hammond said the survey represented the "independent" OECD's view and not the government's.

But he hailed it as "an important source of challenge on all aspects of economic policy" ahead of next month's Budget.

The OECD report also suggested the following steps to boost productivity and quality of work for those with fewest skills.

These included additional training and:

Responding to the OECD report, a spokesperson for the Treasury said: "Increasing productivity is a key priority for this Government, so that we can build on our record employment levels and improve people's quality of life.

"Today, the OECD has recognised the importance of our £23 billion National Productivity Investment Fund which will improve our country's infrastructure, increase research and development and build more houses.

"In addition, our reforms to technical education and our ambitious Industrial Strategy will also help to deliver an economy that works for everyone."