73 per cent of voters no longer know what the party stands for, latest poll finds.
Liberal Democrats fall to 12 per cent in new YouGov poll, their lowest rating since 2007.
Latest Ipsos MORI poll puts Labour on 38 per cent, with Tories just ahead on 40 per cent.
But how long will the honeymoon last?
Poll shows voters approve of George Osborne's Budget as Tory support reaches post-election high.
There has been no mass defection of voters to Labour from the Liberal Democrats.
Final pre-election polls show the Tories around 30 seats short of a majority.
Tories just 5 points ahead of Labour as Lib Dems drop 4 points to 24 per cent.
Tories down one to 33 per cent as Labour rises three to 28 per cent in new Opinium survey.