How the new Green Party leader could hand keys to No10 to Nigel Farage

Mr Polanski is coming off a landslide leadership result and is hoping to establish a more visible, mass-movement Green Party.

During his victory speech on Tuesday, the new leader told Mr Starmer the Greens were "here to replace you".

According to YouGov figures, Mr Polanski could be on the right track.

YouGov found in July that 43 per cent of voters who had backed Labour in the previous General Election would consider voting for the Greens in the next one.

But visibility is one of the challenges the Green Party faces.

YouGov data indicated in August that 77 per cent of people were unable to form a view of the previous leader, Carla Denyer.

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To make matters worse for Labour and also increase visibility for the Greens, Mr Polanski forming an alliance with Jeremy Corbyn and Zarah Sultana could prove transformative.

Mr Corbyn, who is leading Your Party, had congratulated Mr Polanski on his victory, saying he looked forward to "working with" him in a bid to "create a fairer, kinder world".

The two leaders align on issues like Gaza, transgender rights and climate change.

They are on the total opposite side of politics to Mr Farage.

Ipsos polling has suggested that an alliance between Mr Corbyn and Mr Polanski's party could be very positive.

The recent survey found that one in five Britons would vote for the alliance.

It indicates trouble for Labour, with the Government being hurt the most if voters are attracted to the alliance.

The Liberal Democrats would be the second party to see voters potentially tempted away.

While warning in his speech that a Green leader could take control of the UK, polling has shown that is very unlikely.

Mr Polanski said: "People in this country are exhausted"

"They are tired. They are sick of working long hours and never feeling secure."

The new leader said his party was not here "to be disappointed by you" and that it was here to "replace you".

But, as it stands, the Telegraph has reported that the Green Party are fifth in the Westminster opinion polls at just nine per cent.

It appears Labour is continuing to lose voters to both the left and right parties; however, Reform UK would be the biggest winner.

Pollster George Buchan believes "Labour now faces two significant threats to its left: the Corbyn-Sultana alliance and the Green Party".

Mr Buchan told GB News: "Both have the potential to draw support from Labour's progressive base, raising the risk of a split vote that could allow other parties to make gains in key constituencies.

"However, the emphasis must be on the word 'potential'. While recent polling and leadership changes have generated headlines, the Greens have historically struggled to convert polling interest into substantial national impact.

"For example, despite periods of rapid membership growth and surges in youth support, the party has only ever secured a handful of seats at Westminster and remains a minor force in most constituencies.

"Polls conducted well ahead of a general election should be viewed with caution, as voter intentions often shift dramatically as the campaign unfolds and tactical voting comes into play.

"It is also worth noting that the Green Party's new leadership, while energising the party's left-wing credentials, still faces a major challenge in terms of public recognition.

"Over 80 per cent of Britons currently say they have no opinion on the new leader, Zack Polanski, which will likely limit the Greens' ability to make a breakthrough in the short term."