Their research confirms my intuitions of what's happened in the UK over the last few decades. The whole country had drifted to the right and towards authoritarianism. Indeed the major parties in the last election all contested the same political-economic quadrant as this diagram of the 2010 Election shows:
For the 2015 election they show the parties present positions as these:
The author of this blog is to the left of and on the same vertical level as the Greens. Take the Political Compass test.