New Zealand First is down by two points to 3.6 per cent and would not be returned to Parliament.
The Conservatives are up by 0.5 and polled 2.8 per cent but would not make it to Parliament at all unless it won an electorate seat.
But if leader Colin Craig were to win East Coast Bays under this poll scenario, the party would have three MPs.
Prime Minister John Key poll 46.7 per cent, up 3.6, as preferred Prime Minister while Labour leader David Cunliffe is on 9.6, down 0.2 points.
The results: National 49.7 per cent (down 0.6), Labour 27.3 (down 2.2); Greens 12.7 (up 2.5), New Zealand First 3.6 (down 2), Conservatives 2.8 (up 0.5), Internet Mana 1.8, Maori Party 1.5 (up 0.9), Act 0.4 (down 0.1), United Future 0, no change.