Full report on the YouGov/Sunday Times survey

The full tables for the YouGov/Sunday Times poll are now up here, covering the budget, fuel strikes and party donations.

On the regular leadership trackers there is a sharp fall for David Cameron, down to minus 27 from minus 11 a week ago. This is his lowest approval rating as Prime Minister (and I think as during his time as leader of the opposition too, though I don't have them all collated in one place. I think his lowest then was minus 26). Ed Miliband and Nick Clegg's ratings are also down slightly, Miliband to minus 41 (from minus 37), Clegg to minus 53 (from minus 46).

YouGov repeated the overall budget question from last week now there has been a further week for news of the budget to sink in (and for people to row over pasties... a move the poll found 69% in disagreement with). A week ago 24% thought the budget would be good for the economy, 34% bad. That's now fallen to 13% good, 45% bad.

Turning to the fuel strike, 25% would support a strike by fuel tanker drivers, 52% would oppose it. If it did go ahead, two thirds of people (66%) would support using the army to deliver petrol supplies. On the government's handling of the strike threat so far, an overwhelming 86% of people think they have handled it badly (59% think they have handled it "very badly"). This includes 78% of Tory voters who think they have handled the strike threat badly.

On party funding and donations, the figures suggest people are equally negative towards both the two main parties. 68% think donors have a lot or a fair amount of influence over Conservative policies, 69% think the same about Labour; only 25% of people trust David Cameron to be honest about his relationships with Conservative donors, only 24% trust Ed Miliband to be honest about his relationships with Labour donors.

68% of people think that British politics are very (21%) or fairly (47%) corrupt, 56% think it is probably true that policies have been changed in exchange for donations, 80% think it is probably true that honours have been given in exchange for donations. On the specifics of the Cruddas case, just over half (53%) think that he was telling the truth and the Tory donors really would get preferential access and influence.

Moving forward, just over half (53%) would support a cap on individual donations to parties, with 63% and 62% supporting caps on business and union donations respectively.