Independence will have the dual effect of making the rest of Great Britain more conservative, while forcing Scotland to pay for all its socialist malarkey.
Its a win-win situation.
It would cause a political upheaval of epic proportions. Yes, it would affect the socialists heavily - they get 60+ seats from Scotland - labour might not be able to win the next general election without its Scottish constituency. OTOH, being the one on watch and allowing the Union to dissolve would finish PM Cameron’s political career and disrupt the Conservatives, so they would struggle at the next eletions too. The Liberal Democrats are already a spent force. Into the vacumn could come UKIP. It might be that they would be the main beneficiary politically if Scotland opts out, which is kind of ironic as UKIP (by definition) is very much a pro-Union party.