Theresa May is to chair a meeting of some of her senior ministers to try to make progress on stalled EU talks.
They are expected to discuss how much the UK should offer to pay the EU to settle its bill as it leaves.
This bill, which is likely to run into billions of pounds, is one of the main reasons for the logjam in negotiations between the UK and the EU.
Downing Street dismissed reports the UK could double its initial offer to the EU to £38bn.
The UK's offer so far is estimated to add up to about £20bn.
