The former leader of the far-right anti-Islam movement Australian Defence League has been sentenced to 12 months behind bars for his assault on a neighbour.

Ralph Cerminara, 36, was on Thursday sentenced to 12 months in prison for assaulting one neighbour and intimidating another in a sustained, foul-mouthed attack captured on camera at his Marrickville unit block last year.

Footage of the event shows Cerminara yelling 'You're scratching my car, I'll take you to f---in' court', then the victim asked him to leave.

Cerminara repeatedly pushes the neighbour, whose two-year-old daughter stood 1½ metres behind him, as he yells, "Stop f---ing touching my f---ing car.