The steady march of the Liberal Democrats in the polls

Here is the latest poll figure from each polling company for the Lib Dems, compared with the figure in its first poll in March (excluding those companies without a recent poll or who didn’t poll in March):

Angus Reid: 18%, 22% (+4)
BPIX: 18%, 20% (+2)
ComRes: 20%, 21% (+1)
Harris: 18%, 23% (+5)
ICM: 18%, 20% (+2)
Opinium: 16%, 17% (+1)
Populus: 21%, 21% (nc)
YouGov: 16%, 18% (+2)

For the full context, see my PollBase collection of all the voting intention polls.

And some good news from the Lib Dem – Conservative marginal constituencies in the marginals poll run in today’s Daily Telegraph:

The poll found that the Tories would pick up 74 of the 100 seats from Labour. However, they would not pick up any of the seats held by Liberal Democrats.