Commenting on the conjecture, Mr Nash said yesterday: "I've been linked to every party except the Greens. I'm not going to National, and the truth is I'm happy where I am.
"If an MP was to just party-hop like that it would really be seen as just self-serving. That's not what I'm here for."
But he didn't shy away from the job the Labour Party has to remain one of the two major election combatants, with polls revealing support as low as 23 per cent which if transposed into an election-night result which would see the party losing more seats on the big night 11-12 months hence.
"We have got a lot of work to put in over the next year," he said. And he believes that in targeting education, health, housing, jobs and safer communities Labour will be ready to win back the role of Government it lost when brand John Key swept into office in 2008.
As party law and order spokesman he's already moving, with Labour's proposal for a thousand more police officers, but he says other policies will unfold early in the new year.
Nomination's for National's Napier candidacy open today and close on January 27.