"Open to" voting a certain way isn't the same as actually doing it. Although there has been an increase in reform support among polls that ask the traditional question: if there were an election tomorrow which way would you vote?
https://en.wikipedia.org/wiki/Opinio...neral_election
We've seen this talk of redrawing the political landscape before. But they need to get to about 25%. Below that, they're unlikely to get any more seats than UKIP did.