One Nation’s Peter Georgiou could retain his spot in the Senate at next year’s Federal election, a poll shows, but support could evaporate depending on the future of the Government’s company tax cuts.

A ReachTEL poll of WA voters suggests Senator Georgiou’s hold on an Upper House seat is being aided by his opposition to the Government’s proposals.

The Government is tipped to dump the company tax cuts in their current form but is likely to make one final effort to have them passed this week.

The poll of 1000 people, commissioned by the Australia Institute, asked West Australians about their Senate voting intentions. It found One Nation support at 7.1 per cent, up from 4 per cent at the 2016 election.

However, in 2016 the quota for senators to claim a seat was close to 7 per cent because it was a double dissolution poll. Next year’s election is expected to be a half-Senate election, with the quota likely to be closer to 14 per cent. That will leave Senator Georgiou, who took the position of his brother-in-law Rod Culleton who was knocked out of the Senate by the High Court, requiring preferences from other parties to hold his spot.

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ReachTEL found that while almost 63 per cent of those questioned would never consider voting for One Nation, almost 29 per cent would consider it. Much of that hinges on One Nation’s position on the company tax cuts.

The poll found 18.7 per cent said they were more likely to back One Nation if the party supported the cuts but 46.1 per cent said they would be less likely to back the party. Just over 35 per cent said their vote would not change.

In a sign of why the Government is set to dump its plan to slice the company tax rate to 25 per cent over the next decade to all businesses, the poll found almost no support for it among WA voters. More than 44 per cent of respondents wanted the Government to prioritise infrastructure, health and eduction.

It found 28.2 per cent wanted the Government to reduce the Budget deficit and total debt, 15.1 per cent backed personal income tax cuts and just 4.1 per cent supported prioritising company tax cuts.

Across all parties, the poll found Labor’s primary vote at 29.3 per cent, up a percentage point from its 2016 result. The Greens were steady at 10 per cent while the Liberal Party had shed 1.5 percentage points.