Fine Gael has opened up a strong lead over Fianna Fail in the latest opinion poll.
The Sunday Times/Behaviour and Attitudes Survey shows a six point swing to the government party.
It stands on 34 per cent while, Fianna Fail is on 21 per cent support.
Sinn Fein split the two parties on 22 per cent support.
The Sunday Times Politcal Editor, Stephen O' Brien says the Taoiseach has, in the past, expressed caution about calling a snap election, based on good polling figures.