But the warning comes amid a £50 billion black hole found in Britain's finances that Sunak and Chancellor Jeremy Hunt are desperate to fill.
And it is understood the Homes for Ukraine scheme which gave members of the public £350 per month for housing refugees could be axed to save cash.
A source told Mail Online: 'Nothing has been decided yet, a lot of different schemes and budgets across the board are being looked at ahead of the Autumn Statement.'
As many as 100,000 Ukrainians have been given somewhere to live under Britain's ‘Homes for Ukraine’ scheme.
But as Sunak and Hunt attempt to start balancing the books, it and other costly projects have come under the microscope.
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