HM Treasury has already allocated over £4.2 billion of additional funding to departments and the devolved administrations for EU exit preparations so far. This includes the £1.5 billion of additional funding HM Treasury announced at Autumn Budget 2017 for 2018/19.
A full breakdown of how this was allocated to departments can be found in the Chief Secretary’s Written Ministerial Statement, HCWS540, laid on the 13th March
This money will be paid out in Supplementary Estimates 18/19 later this financial year.
Between April 2018 and December 2018, the Cabinet Office spent £32.5m on activities associated with preparations to leave the European Union.