What would the election look like under PR?

The further fragmentation of the UK’s party system in 2015 is likely to lead to the most disproportionate outcome of any election in the post-war era. In this post, Jack Blumenau and Simon Hix, along with the team from electionforecast.co.uk, ask what the House of Commons might look like if the election were held under a more proportionate voting system. If members were elected from small multi-member constituencies, the main beneficiaries would be the Liberal Democrats and UKIP, while the main losers would be Labour, the Conservatives and the SNP