Man pleads not guilty to partner's murder

A man has pleaded not guilty to murdering his former partner and a 17-year-old male at a home in southern Sydney.

Stephen Boyd, 51, is charged with murdering Tina Kontozis, 51, who was found dead at Bundeena in April 2016, and assault occasioning actual bodily harm and wounding with intent to cause grievous bodily harm of the teenager.

Boyd is also charged with numerous driving offences relating to an alleged police pursuit.

He pleaded not guilty to all charges at the Supreme Court in Sydney on Friday where Justice Robert Allan Hulme set down a trial for August 28.

The trial is expected to last two to three weeks.