Where might Boris Johnson stand in 2015?
London Mayor Boris Johnson has said he wants to return to the Commons at next year's general election. But where might he stand?
Uxbridge and South Ruislip - VACANCY
Former deputy chief whip John Randall is standing down. A new candidate will be selected by mid-September.
Conservative majority: 11,216
South Cambridgeshire - VACANCY
Former Leader of the House and former Health Secretary Andrew Lansley is standing down.
Conservative majority: 7,838
North-west Hampshire - CANDIDATE SELECTED
Chief Whip and former Leader of the House Sir George Young is standing down.
Cathy Ossleton, deputy chairman of the North-West Hampshire Conservatives, has already said she would be "very happy" to have Mr Johnson as MP.
The party has already selected Kit Malthouse, deputy mayor of London for business and enterprise.
Conservative majority: 18,583
Louth and Horncastle - CANDIDATE SELECTED
Sir Peter Tapsell - the longest serving MP in the House of Commons - is standing down. He is reported to have told David Cameron that he was "keeping his seat warm for Boris".
The local party have already selected lawyer Victoria Atkins.
Conservative majority: 13,871
Hertsmere - VACANCY
Current MP James Clappison is standing down.
Conservative majority: 17,605
Bury St Edmunds - VACANCY
Current MP David Ruffley has resigned after being cautioned for assaulting his partner.
Conservative majority: 12,380
Richmond Park - MP RESELECTED
The current MP is Zac Goldsmith, who has said in the past he could make way for Mr Johnson
Conservative majority: 4,091
Kensington - MP RESELECTED
Current MP Sir Malcolm Rifkind, former cabinet minister under Margaret Thatcher and John Major, was at the centre of speculation he could make way for Mr Johnson by retiring but his association says he has been re-selected and will stand
Conservative majority: 8,616
Banbury - MP RESELECTED
Current MP Sir Tony Baldry, former cabinet minister under John Major. Was at the centre of speculation he could make way for Mr Johnson by retiring but his association say he has been re-selected and will stand
Conservative majority: 18,227