His ban can be reduced to 15 months if he completes a drink-drive re-education programme.
The fine was in accordance to the TV star's £130,000 weekly earnings. The charge sheet held by the Metropolitan Police showed that the breath test taken in the immediate aftermath of the collision gave a reading of 75mcg of alcohol per 100ml compared to the legal limit of 35 mcg. He is now undergoing treatment for his alcohol issues.
Inside the court, as she handed down her sentence, District Judge told McPartlin: "You were a man of good character...you have lost that good character".
As well as the huge fine, Ant will pay pay £255 in costs.
His mother was in the auto with him at the time of the crash and the barrister told the district judge the incident was down to "a brief relapse unbeknownst to his passenger".
His defence barrister, Liam Walker, told the court: "Anthony McPartlin is sorry". He said that he would be getting specialist help to "ensure that nothing of this nature happens again". "He hopes that in time he can make himself better and he might be forgiven by all the people he feels he has let down so terribly". In it he accepted full responsibility and said that he is "ashamed and mortified" and that he intended the incident would be a turning point for him.
After he was charged, ITV announced the Saturday Night Takeaway host would step back from his TV commitments, with co-presenter Declan Donnelly hosting the final two episodes of the show on his own.
Ant is now seeking treatment following a stint in rehab past year, after struggling with an addiction to painkillers which he developed after a knee operation back in 2015.