A £2.5 million saving by downgrading the final salary scheme for MPs to career average - matching the rest of the public sector - had already been proposed alongside a crackdown on various perks.
All three main party leaders have condemned the increase at a time of national austerity, with both Labour's Ed Miliband and Liberal Democrat Nick Clegg pledged to shun the extra money.
David Cameron has stopped short of matching that pledge - and is under pressure from some Tory MPs to back the increase - but has said Westminster pay should not rise while others face restraint.
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Outbreaks of rain and strengthening winds will affect southernmost parts of England and Wales today.
An earlier debate on the issue was suspended as an 'expression of support' following the Westminster terror attack.
Five people were killed and dozens more were injured after a car and knife attack in the capital on Wednesday afternoon.