Nigel Farage is on course for a record majority in Parliament, according to a bombshell new poll that also predicted a Cabinet bloodbath.
Reform UK would surge to 445 seats, giving them a majority of 258, the prediction revealed.
Labour would win just 73 seats, while the Conservatives plummets to just seven.
Kemi Badenoch's party would come fifth, behind the Liberal Democrats and Jeremy Corbyn's hard left Your Party.
And most of Sir Keir Starmer's top ministers would lose their seats, the poll predicts.
Chancellor Rachel Reeves, Foreign Secretary Yvette Cooper and Energy Secretary Ed Miliband would all be ousted by Mr Farage's party.
Home Secretary Shabana Mahmood and Health Secretary Wes Streeting would lose to Jeremy Corbyn and Zarah Sultana's Your Party.
Reform's Lee Anderson said: "It would see Reform win 445 MPs, Labour 73 MPs, Lib Dems 42 MPs, Your Party 13 MPs & Tories 7 MPs with a handful of greens.
"It projects Reform would return an earth shattering majority of 258, which is more than Baldwin in 1924.
"Along with YouGov, it kills dead the "Kemi bounce" narrative.
"In fact, she loses her seat RFUK 34% CON 25% in this poll
"Rachel Reeves, Yvette Cooper, Bridget Phillipson and Ed Miliband would all be ousted by Reform.
"Robert Jenrick, Suella Braverman, Rishi Sunak and IDS would all lose their seats to Reform too.
"Shabana Mahmood and Wes Streeting would lose their seats to Your Party."
Both the Conservatives and Labour had been hoping for a bounce in the polls after their party conferences.
Mrs Badenoch sensationally revealed her party would abolish stamp duty if the Conservatives win the next election.
The policy - and her speech - was met with widespread praise.
The seat-by-seat MRP poll was carried out by communications firm PLMR with Electoral Calculus.
The poll revealed the economy and the cost of living are the top priorities for voters.
Some 59 per cent of voters said it was the most important issue, compared to 47 per cent who thought immigration and border control was a top priority for the Government to prioritise at the Budget next month.
The NHS came third on 44 per cent, well ahead of the next most important issue - crime, justice and policing on 22 per cent.
Kevin Craig, CEO of PLMR, said: "This poll shows a remarkable fall from grace for the Conservative Party, and exposes where voter priorities lie.
"The electorate is demanding action on the economy first and foremost, with concerns around immigration and the NHS still present, and traditional party loyalties are under unprecedented pressure.
"However, there is a long way to go until 2029 and the message is clear: voters want the weekly shop to cost less.
"It's time to forget the slogans and the clever language. Instead, the Government must keep calm and focus on delivering more money into working people's pockets to shore up support ahead of the next election."
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