The Conservatives have gained their most substantial poll lead since 2010 in the wake of the Budget , according to one poll . The latest Opinium survey for the Observer put the Tories up three points to 36 per cent , with Labour down two to 33 , Ukip on 14 , the Lib Dems on 7 and the Greens on 6 . David Cameron and George Osborne have a considerable lead on handling the economy , preferred by 42 per cent of voters , compared with the 21 per cent who back Ed Miliband and Ed Balls . Scroll down for video . Chancellor George Osborne 's budget appears to have given the Conservatives a boost in the latest poll . Opinium 's Adam Drummond said : 'It certainly looks like George Osborne 's Budget and the positive Press reaction have given the Conservatives a boost . 'More impressively – for a man who was memorably booed at the Paralympics – George Osborne appears to have achieved a remarkable turnaround in public opinion . 'This is no doubt helped by the fact that more voters think the economy is doing well than at any point in our tracking for this parliament . ' Mr Drummond added : 'Along with David Cameron 's strong approval ratings the economy , and by extension George Osborne 's handling of it , is overwhelmingly the Tories ' strongest asset going into the election . ' However , a Survation poll carried out for The Mail on Sunday found no evidence of a 'Budget bounce ' , and showed Labour ahead on 34 points , the Tories on 30 , Ukip on 17 and the Lib Dems on 10 per cent . According to the ICM/Telegraph Wisdom Index poll , the Tories are on course to achieve 32 per cent of the vote , one point ahead of Labour 's 31 per cent . The poll , which asks participants to predict the outcome of the election rather than how they intend to vote , confirmed that Ukip is losing ground and is forecast to receive 13 per cent of the vote .
The Conservatives have gained their most substantial lead since 2010 . Latest Opinium survey has put the Tories up three points to 36 per cent . George Osborne 's Budget is believed to be responsible for the boost . Britain must choose between a £56billion-a-year hit or continuing to offer open borders to European migrants if it chooses to leave the EU , a think-tank has warned . Comment: The only way to avoid this would be a free trade deal , allowing free movement of workers .