Former cabinet secretary also says Sir Mark Sedwill faces "mission impossible"
Chancellor says it would be "odd" to expect all departments to see funding rise, despite his claim that austerity is ending
The vast majority of officials in Brexit roles were working in just six departments, civil service leaders tell MPs
Two years since Article 50 was triggered – and longer since EU referendum campaigning hit its stride – the Brexit effect on both the civil service and parliament has been profound
Department offers £120k a year for leader tasked with ensuring science and evidence stay "at the heart" of its post-Brexit operations
"We are proud of what you do," civil service chiefs say amid "unprecendented" challenges for officials
Machinery of government change "would be game-changer", hardcore Brexiteers suggest
Department for Transport-funded services start as one firm says "there is no turning back at this late stage"
Now Remainer voices have joined the fray, civil service values are under attack like never before
Report details seismic Whitehall shifts, two years after Theresa May triggered Article 50
Environment secretary also reveals rising number of secondments from Natural England
Lord Adonis's calls for permanent secretaries to resign are "an unwelcome reminder about the dearth of knowledge most politicians claim to have about the civil service"