A source told the Daily Telegraph: “Mr Cummings said we are going to have a budget in the first week of October. The party conference will be a no deal rally – it is not about the speeches.”
If this budget were to occur, it would be the first under new Chancellor Sajid Javid.
Leaks have been an in issue for the Government in recent months.
Reports from the 2016 Tory leadership election suggested Mr Javid could have been at Number 11 three years ago.
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The former Home Secretary might have been replaced Mr Osborne as Chancellor and not Philip Hammond, had Stephen Crabb won the leadership contest.
Mr Crabb, finished second bottom in the first ballot to replace David Cameron and withdrew from the race.
The then Work and Pensions Secretary would endorse eventual winner Theresa May.
Mr Javid once told the Evening Standard that at his first Tory conference: “I was handing out leaflets against Mrs Thatcher’s decision to join the European exchange rate.”
Though he would go on to back Remain during the referendum, he has insisted the result of the referendum should be respected.
He has also praised both Nigel Farage and the Brexit Party.
The Guardian reported he said: “So I applaud Nigel Farage for walking away, calling Ukip ‘thugs and extremists’.
“Even though his Brexit party has not made my life any easier, I want to be clear – they are not extremists.”
Mr Farage responded by tweeting: “So there is some decency left in politics.”
