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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Downpours keeping us on our toes today
The M20 in Kent has been closed in both directions after a pedestrian bridge allegedly collapsed on the motorway on Saturday.
The AA have warned of traffic jams and urged people to carry extra water in their vehicles because of the warm weather.