Tony Abbott and Australia's conservative opposition swept to power ending six years of Labor Party rule and winning over a disenchanted public by promising to end a hated tax on carbon emissions, boost a flagging economy and bring about political stability after years of Labor infighting.
ITV News reporter Joanna Simpson:
British-born Abbott has said he is looking forward to forming a "trustworthy and "competent" government, after his Liberal-National coalition swept to victory.
Conceding victory Labor's Kevin Rudd he accepted the responsibility for the loss.
Rudd had wrested leadership of the party from Australia's first female Prime Minister Julia Gillard.
David Cameron sent his best wishes to the new Prime Minister.
The election campaign saw several casualties with gaffes and political mistakes costing two candidates their roles.