NSW Premier Gladys Berejiklian said she was "deeply disappointed" over the federal leadership chaos, but played down concerns it would hurt her government ahead of next year's state election.

Premier Gladys Berejiklian said she was disappointed with what was happening federally in the Liberal party. Credit:Jessica Hromas

Ms Berejiklian weighed into the federal Liberal party's leadership woes on Tuesday, after Prime Minister Malcolm Turnbull staved off a challenge from Home Affairs Minister Peter Dutton by 48 votes to 35.

Pressed on the issue while addressing media in Ballina on the state's north coast, Ms Berejiklian said she was "deeply disappointed with what's happened federally".