The prince’s annual private income from the hereditary estate fell slightly by £103,000 to £21.63 million in the year 2018/2019.
The private landed estate was created in 1337 by Edward III to support his son and heir Prince Edward, known as the Black Prince, and all his subsequent heirs.
Official costs of the Prince of Wales’s London office and official residence Clarence House jumped by 252%, rising £478,000 from £190,000 to £668,000.
The bill, met by taxpayers through the Sovereign Grant, covered work on the roof, the portico and the perimeter wall.
A royal source said: “The point is that there is this great building which is an old building and a venerable building and from time to time it needs a bit of maintenance, so we’ve had to do works this year on the roof, the portico and some work to shore up the perimeter wall.”
Charles’s tax bill decreased by £152,000 to £4.7 million.
The cost of the prince and the Duchess of Cornwall’s official travel by air and rail rose by almost a third (31%) – jumping from £1.01 million to £1.33 million.
The prince’s taxpayer-funded Sovereign Grant income was up 66%, to £1.99 million, to cover the increased cost of travel and the Clarence House building works.
– The annual review covers the period from April 1 2018 to March 31 2019.