January, 1805 - Lord Mulgrave succeeds Lord Harrowby as Foreign Secretary. Lord Buckinghamshire (previously Lord Hobart) succeeds Mulgrave at the Duchy of Lancaster. Lord Sidmouth succeeds the Duke of Portland as Lord President. Portland becomes a Minister without Portfolio.
April, 1805 - Lord Barham succeeds Lord Melville as First Lord of the Admiralty
July, 1805 - Lord Harrowby succeeds Lord Buckinghamshire as Chancellor of the Duchy of Lancaster. Lord Camden succeeds Lord Sidmouth as Lord President. Lord Castlereagh succeeds Camden as Colonial Secretary, remaining also at the Board of Control.