Would a new Lib Dem leader help the Tories win in 2015?

Why some Tories believe that the replacement of Clegg with Vince Cable or Tim Farron is essential to their election chances.

One of the reasons why some Conservatives believe it will be impossible for David Cameron to win a majority at the next election is the scale of the defection of Liberal Democrat supporters to Labour. If Ed Miliband's party hangs on to around a third of the Lib Dems' 2010 voters, the Tories stand to lose dozens of seats at the next election - there are 37 Conservative-Labour marginals where the third place Lib Dem vote is more than twice the margin of victory. In the 1980s, it was the formation of the Social Democratic Party and the resultant split in the centre-left vote that allowed Margaret Thatcher to win successive landslide victories. In 2015, the collapse in support for the Liberal Democrats and the reunification of the left around Labour could bring Miliband to power.

This fact has led some Conservatives to wonder aloud whether a change of Liberal Democrat leader before 2015 is now in their interests. The hope is that a more left-wing leader such as Vince Cable or Tim Farron, both of whom have signalled their availability, could prompt the party's former supporters to return home from Labour. ConservativeHome editor Tim Montgomerie recently told me that "a left-wing replacement" of Nick Clegg in 2014 was "vital to Tory hopes".

Those with an interest in a Lib Dem recovery have been encouraged by polls showing that the party would perform better with Cable as leader. A ComRes survey last September showed that support for the Lib Dems would rise to 18 per cent under Cable, compared to 14 per cent under Clegg. However, it is doubtful whether this bounce would last once Cable was forced to take responsibility for all coalition decisions (something he has skillfully avoided doing to date. Few would know, for instance, that it was Cable's department that introduced higher tuition fees) It is also the case that the party's former left-wing supporters, those who defected from Labour over Iraq and top-up fees, are likely to prove the hardest to win back.

But as we get closer to the election, this discussion will be had with increasing frequency in Lib Dem and Tory circles. If the Lib Dems are still flatlining at 10 per cent in the polls in 2014, it is hard to see the party not taking a gamble on an alternative leader. The dilemma for the Tories is whether to help shore up Clegg's position, for the sake of coalition unity, or to tacitly encourage a revolt against him.

A poll in 2012 suggested that Liberal Democrat support would increase to 18 per cent with Vince Cable as leader. Photograph: Getty Images.

George Eaton is political editor of the New Statesman.

Ukip's Nigel Farage and Paul Nuttall. Photo: Getty
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Is the general election 2017 the end of Ukip?

Ukip led the way to Brexit, but now the party is on less than 10 per cent in the polls. 

Ukip could be finished. Ukip has only ever had two MPs, but it held an outside influence on politics: without it, we’d probably never have had the EU referendum. But Brexit has turned Ukip into a single-issue party without an issue. Ukip’s sole remaining MP, Douglas Carswell, left the party in March 2017, and told Sky News’ Adam Boulton that there was “no point” to the party anymore. 

Not everyone in Ukip has given up, though: Nigel Farage told Peston on Sunday that Ukip “will survive”, and current leader Paul Nuttall will be contesting a seat this year. But Ukip is standing in fewer constituencies than last time thanks to a shortage of both money and people. Who benefits if Ukip is finished? It’s likely to be the Tories. 

Is Ukip finished? 

What are Ukip's poll ratings?

Ukip’s poll ratings peaked in June 2016 at 16 per cent. Since the leave campaign’s success, that has steadily declined so that Ukip is going into the 2017 general election on 4 per cent, according to the latest polls. If the polls can be trusted, that’s a serious collapse.

Can Ukip get anymore MPs?

In the 2015 general election Ukip contested nearly every seat and got 13 per cent of the vote, making it the third biggest party (although is only returned one MP). Now Ukip is reportedly struggling to find candidates and could stand in as few as 100 seats. Ukip leader Paul Nuttall will stand in Boston and Skegness, but both ex-leader Nigel Farage and donor Arron Banks have ruled themselves out of running this time.

How many members does Ukip have?

Ukip’s membership declined from 45,994 at the 2015 general election to 39,000 in 2016. That’s a worrying sign for any political party, which relies on grassroots memberships to put in the campaigning legwork.

What does Ukip's decline mean for Labour and the Conservatives? 

The rise of Ukip took votes from both the Conservatives and Labour, with a nationalist message that appealed to disaffected voters from both right and left. But the decline of Ukip only seems to be helping the Conservatives. Stephen Bush has written about how in Wales voting Ukip seems to have been a gateway drug for traditional Labour voters who are now backing the mainstream right; so the voters Ukip took from the Conservatives are reverting to the Conservatives, and the ones they took from Labour are transferring to the Conservatives too.

Ukip might be finished as an electoral force, but its influence on the rest of British politics will be felt for many years yet. 

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