The comedian vowed to never step foot in the capital as he claimed Sadiq had “f****d” up the city.
“I am never coming to London again,” Jim wrote in view of his 166,000 followers.
He continued: “Khan. You have f****d my home town up.”
One person wrote: “Brilliant news! Keep it up @SadiqKhan.”
Another commented: “Not much of a Sadiq Khan fan here, but if you actually stick to your word and stay out of London for good, then this is a glowing legacy for him.”
A third said: “Fantastic news, please don’t back down on this pitiful threat.”
While one fan added: “Great news! Well done @SadiqKhan I can walk the streets without fear of bumping into @JimDOfficial Happy days.”
Jim appeared to note what he no longer likes about living in London as he replied to the person’s tweet saying: “You are welcome. Walk is the word. Don’t try driving or getting a cab.”
Jim isn’t the only person to recently slam the Mayor of London recently as Good Morning Britain host, Piers Morgan, recently aired his views about Sadiq.
The presenter wasn’t impressed with Sadiq’s comments about US President Donald Trump when he was on his three-day UK state visit.
In an article written for the Mail Online, the presenter said: “Sadiq Khan, who’s been Mayor for three years, launched a series of savage attacks on President Trump in the past 48 hours, both in print and on television.”
Piers acknowledged Trump can have his faults but claimed Sadiq was making the trip “all about him”, rather than the “D-Day heroes”.
The journalist concluded: “Who the hell is this jumped-up pipsqueak to start barking out insults at the American President when he can’t even protect our kids from being stabbed to death?
“As a Londoner, I’m utterly ashamed by the selfish, puerile, virtue-signalling antics of my Mayor.”
It came after Sadiq described the US president over the weekend as “just one of the most egregious examples of a growing global threat” and compared the language he had used to that of the “fascists of the 20th century”.
Trump had also called Sadiq a “cold loser who should focus on crime in London” instead of him.
A spokesman for Sadiq told the BBC at the time: “This is much more serious than childish insults which should be beneath the president of the United States.
“Sadiq is representing the progressive values of London and our country warning that Donald Trump is the most egregious example of growing far right threat around the globe.”