The EU’s chief negotiator Michel Barnier has been meeting with the UK’s David Frost for the past few weeks to try and get a trade deal in place before Mr Frost leaves his position in the autumn.
The pair have been going over a number of sticking points for the EU, including fishing, state aid and food standards.
The top civil servant Sir Mark Sedwill will walk away with a payout of nearly £250,000.
The Cabinet Secretary will reportedly pocket the sum when he steps down following an alleged power struggle with the Prime Minister’s top aide Dominic Cummings.
Sir Mark will receive £249,189 when he leaves his joint roles as Cabinet Secretary and National Security Advisor.
Prime Minister Boris Johnson signed off the figure on Wednesday – which will take the form of a pension contribution
Britain’s lead Brexit negotiator – David Frost – is due to take over as National Security Advisor, while No 10 continues to hunt to find a new head of the civil service.