An 18-year-old NSW man is accused of taking part in a violent home invasion where the residents were stabbed several times. 

At about 8am on May 4, a woman answered the door of her home in Conder when a man allegedly pushed his way inside and stabbed her.

The man and three other men then allegedly assaulted the male occupant, stabbing him as well.

On Sunday police arrested a third man in relation to this incident, who handed himself into City Police Station, and is now assisting with the investigation.

He was charged with aggravated burglary, joint commission intentionally inflict grievous bodily harm, joint commission damage property, and joint commission assault occasioning actual bodily harm.

Po0lice say he is the third man to be charged over the incident and investigations into the identity of the fourth man involved are continuing.

Call 1800 333000 or via the Crime Stoppers ACT website.