I’ve just updated my Poll of Polls for polls up to 12-04-15 and it can be found in the here. Above is the updated graph showing the weekly movement in the Poll of Polls.
What is interesting is that it shows a slight but discernible upward trend in the polls for Labour in the past four weeks. It’s often said by political pundits that it’s “all about momentum” – it looks like there is some modest momentum with Labour.
If you want to download the spreadsheet that did this analysis go here. If you want to understand the methodology behind the “Poll of Polls” click here and scroll down to the bit that gives the description.