Boris Johnson admitted last night he hopes to be considered to lead the Conservative Party after David Cameron . The London Mayor , pressed on his leadership ambitions by Sky News anchor Kay Burley , insisted the position would not become vacant for five years . But in his most candid remarks to date , he finally conceded : 'It would be a wonderful thing to be thought to be in a position to be considered for such an honour . ' Scroll down for video . Ambitious : Boris Johnson admitted last night he hopes to be considered to lead the Conservative Party after David Cameron . Above , the London Mayor , left , joined the Prime Minister at a London nursery yesterday . However he insisted he thinks it is 'highly unlikely ' . Mr Johnson , running to become MP in Uxbridge and South Ruislip , has long been tipped as a future leader of the party , most recently by Mr Cameron . He said last month he would serve a 'full second term ' until 2020 , but not a third and named as potential successors Mr Johnson , Home Secretary Theresa May and Chancellor George Osborne . Yesterday , Mr Johnson said : 'It is at least five years away which is an aeon in British politics , by which time whatever my personal ambitions may be there will be thrusting young men and women who will be overtaking me and who knows , it will all be different . ' Eye on the prize : Mr Johnson , running to become MP in Uxbridge and South Ruislip , has long been tipped as a future leader of the party , most recently by Mr Cameron . Above , the politicians at the nursery yesterday . Potential successors : Mr Cameron named Home Secretary Theresa May and Chancellor George Osborne . Mr Cameron has admitted that what he called his own 'calm smoothness ' could give people the wrong impression about how urgently he wants to win the General Election . He told The Spectator he had 'no end ' of passion but was a Conservative , a tribe of people who 'do n't always wear their beliefs on their sleeve ' . Asked why many people believe he must do more to demonstrate that he really wants to win , he said : ' I do n't know . There is something about me – I always manage to portray a calm smoothness or something . '
Boris Johnson said he hopes to be considered for Tory leadership after PM . But David Cameron insisted position would not become vacant for 5 years . London Mayor named Mr Johnson as one of three potential successors .