Two types of constituencies feature in my last round of marginals polling for 2014. First, the next tranche of seats the Conservatives are defending from Labour; second, a selection of seats where Labour may be under threat from UKIP. I have also returned to the solitary Green constituency, Brighton Pavilion.
In previous rounds I have said I wanted to find the point in the Conservative-Labour battleground at which seats consistently stay blue and the damage stops. Well, it has not stopped yet, though I suspect Labour will be disappointed not to be inflicting more of it.