While a crash in those markets led to the near demise of the financial system, current housing markets seem to have decoupled. (Read Left Overs of the Financial Crisis: Last Monoline To Lose AAA-Rating).

FORBES: The Negative Effects Of The Treasury's Plan To Sell $142B Worth Of MBS

He said Labour wanted to see the bill "decoupled" so that one bill represented changes to the voting system and the other dealt with changes to constituencies.

BBC: Parliamentary Voting System Bill part two