Richard Barnes, former deputy mayor of London who served under Mr Johnson.

"He's been an MP before and he's been an excellent Mayor of London and this is an ideal seat for him. I don't live in Uxbridge so sadly I can't vote for him.

 

"He will have challenges, especially because of his vision for the airport and that impact on Heathrow and if he does get elected and becomes a member of the government, his stance on HS2 which really impacts on this part of London and all of the challenges to this community.

"He will face those challenges in the same way all three of the local MPs in Hillingdon have to."

Councillor Wayne Bridges, chairman of the Uxbridge and South Ruislip Conservative Association

"We welcome Boris's application along with the many others who have applied in recent weeks and we look forward to reading them all."

Chris Summers, Labour's Prospective Parliamentary Candidate for the Uxbridge & South Ruislip seat

"I welcome the news that Boris Johnson has applied to become the Tory candidate in Uxbridge & South Ruislip and I look forward to the outcome of the selection meeting.

"Lord Ashcroft's polls recently suggested Boris would win comfortably in Uxbridge & South Ruislip but I have been out on the doorstep speaking to people across the constituency and I have found a very different picture. Many people are fed up of this Tory-led coalition government and the Old Etonian elite who are out of touch with ordinary people's problems, especially the cost-of-living crisis and the housing crisis in London.

Chris Summers, Labour's PPC for Uxbridge and South Ruislip in the 2015 general election
 

"If Boris is selected I hope voters will look past his affable celebrity politics, question his record and his policies - especially on issues like Heathrow airport - and ask themselves why they would want to vote for a candidate who simply sees Uxbridge as a stepping stone for his own vast personal ambition.

"If Boris is selected this election will give people a clear choice - a wealthy Tory buffoon who makes jokes rather than giving serious answers when asked about the issues that matter; or a Labour candidate who knows what it feels like to worry about your bills at the end of the month and who feels passionately about the NHS, housing, crime, transport and immigration, the issues that matter to people in Uxbridge & South Ruislip.

"Bring on election day."

Lottie Jones, Chairman of Ruislip Against HS2

"If he is serious about standing for South Ruislip and Uxbridge he has got to step into John Randall’s shoes - who has said that he will support his constituents and vote against HS2 - and Boris will have to answer whether he will do the same, it is what we have been pushing Nick Hurd on and we will push him too.

London Mayor Boris Johnson with Lottie Jones of Ruislip Against HS2
 

"I am very disappointed that John Randall is stepping down because he has been a great ally, he is very well respected and I think his opinion on HS2 leaned a lot in our favour.

"I am very much hoping that Boris will be amenable to meeting up with us so that we can bring him up to speed on just how much HS2 is going to affect his constituency."

Uxbridge and South Ruislip MP Sir John Randall

Sir John Randall
 

"Not only will I be supporting the successful candidate but I will be offering my services and experience of being the MP for 17 years, plus a local resident, to anyone who is successful."

Mr Randall said he would happily pass on his local knowledge to help the person eventually chosen to replace him to familiarise themselves with the constituency.

Back Heathrow’s campaign co-ordinator Rob Gray.

“Boris Johnson’s selfish plan to stand in the same borough as Heathrow is a slap in the face to tens of thousands of people in west London. These people rely on Britain’s hub airport and the Mayor wants to close it which would result in more than 100,000 people losing their jobs including many in Uxbridge and South Ruislip. Heathrow’s bogeyman may win the selection battle but he won’t get his way.”

Neil Keveren, Harmondsworth resident and anti-third runway campaigner

"I’m pleased he is in the running for MP for Uxbridge. All we want is a better not bigger Heathrow, we don’t want it to go in any way, many of us in the villages get our jobs from Heathrow and I don’t believe it will go.

Anti-third runway campaigners pictured in High Street, Harmondsworth. L-R: Justine Bayley, Stan Woods, Neil Keveren, David Durston

"But I also don’t believe Boris Island will be considered seriously and we don’t feel any of the Heathrow villages should be destroyed to expand Heathrow."

John Stewart, Chairman of the anti-Heathrow expansion campaign group HACAN

“Given Boris’ constant opposition to expansion at Heathrow, if he becomes an MP for Uxbridge it will make it even harder for the Government to push through plans for a third runway.

“We have been fighting expansion and to cut the noise people get from the existing airport for many years because we think a third runway and the consequences could be unbearable because of the 750 homes that will be knocked down to make room for it and the impact it will have on noise and air pollution across London and the south of England."

Dr Onkar Sahota, Labour London Assembly Member for Ealing and Hillingdon

“Boris Johnson’s decision to run in the Conservative Party selection for Uxbridge and South Ruislip shows that despite previously describing the Mayoralty as the 'greatest job in the world', he has treated the role as little more than a stepping stone to fulfil his parliamentary ambitions.

Dr Onkar Sahota
Dr Onkar Sahota
 

"All along he has been more interested in his own career than the needs of this city, and now London is set to be left with a part-time Mayor for almost two years if he is successful in this selection.

“What is more, on the day that he announced his intention to stand he has published a further report in support of a Thames Estuary airport. Boris has accepted this would mean the closure of Heathrow, which would have a catastrophic effect on the economy of west London.

"Conflicted positions like this show just how out of touch the Mayor truly is.”

Boris Johnson's office has been contacted for comment.

Some of your views via our Facebook page

Julia Rees WasDoyle: 'Do one and stay away you proper waste of space!!'

Lena Williams: 'Great news for our borough'

Carrieanne Walker: 'Is it?'

Mark Woolterton: 'He will be good for the borough'

Gordon Chin: 'Nooooo...!'

And some Tweets ...