Olympic feel-good factor benefits Tories

The Tories were up one on 32 per cent and Labour down two on 42 per cent among those saying they are certain to vote, the Ipsos Mori survey found. The Liberal Democrats are down one on 11 per cent.

Labour’s lead is still large enough to give leader Ed Miliband a comfortable majority in a general election.

But low levels of public satisfaction with all three main party leaders have experienced a notable bounce in what Ipsos Mori suggested was down to the Olympic feel-good factor.

The number of people satisfied with the way the Government is running the country has increased from 26 per cent to 32 per cent and with Prime Minister David Cameron personally from 33 per cent to 39 per cent.

Those satisfied with Deputy Prime Minister Nick Clegg have increased from 26 per cent to 31 per cent and with Labour leader Ed Miliband from 33 per cent to 41 per cent.

All three party leaders have a net negative approval rating, however, with more people saying they are dissatisfied than satisfied with each of them.

None of the main parties is judged by most voters to put the national interest ahead of their own.

Some 69 per cent think the Tories put their own interests first, 63 per cent the Liberal Democrats and 59 per cent the Labour Party.

Just over two-thirds of voters – 67 per cent – think the coalition is disunited and 54 per cent feel it is unlikely to last until 2015, as planned. Only 39 per cent think it will go the distance until the scheduled next general election.

An Ipsos Mori analyst said: “The party leaders and the Government are benefiting from an upbeat public mood generated by the Olympic Games.

“Even this, however, cannot overcome public scepticism that the Coalition is divided, and that all parties tend to put their own interest above the national interest. The question is whether this feel good factor will last.”