At about 9pm on Saturday, it was announced that Mr Ward had won at every booth of 25 in the Kiama electorate, and was the first Liberal candidate to ever win at Albion Park Rail.

The returning MP fired up in his victory speech, says he campaigned against "egregious mistruths and lies".

He also said it was "and incredible honour" to be elected by his community to represent them, and said the achievement "wasn't bad for a boy from Bomaderry".

Labor suffered a 5.2 per cent swing against them in Kiama. Mr Ward picked up 3.3 per cent of the swing vote, despite statewide swings against the Coalition.

"That's twice I've defied gravity," he said.

"Our community's very smart, they're not just going to vote blindly for us, they vote based on performance.

"If you look at Andy Higgins' primary vote, only one in four people voted for Labor in Kiama, a seat considered a jewel in Labor's crown not long ago. That's a message to everyone in politics, no seat is safe."

The Greens were pleased with their campaign, gaining some ground with Nina Digiglio picking up 12.2 per cent of the primary vote, and the Christian Democrats and Sustainable Australia won 3.4 and 2.6 per cent of primary votes in Kiama respectively.

It's the first time in half a century the Coalition has won government in NSW for three consecutive terms. The Coalition was one seat short of an outright majority by Monday, having won 46 seats in the 93-seat parliament.

It is understood the Liberals ran a campaign focused around Premier Gladys Berejiklian, to distinguish themselves from Scott Morrison's languishing federal caucus.

Ms Berejiklian, the first woman to be popularly elected premier of NSW, has been a supporter of Mr Ward, visiting the electorate during his campaign and backing him when exiting Gilmore MP Ann Sudmalis accused him of bullying in 2018.