During Macmillan's time, Charles De Gaulle, Dwight D. Eisenhower, Nikita Khrushchev, Jawaharlal Nehru and John F. Kennedy stayed as guests at Birch Grove.

[5] On Macmillan’s appointment as Secretary of State for Defence in late 1954, he was offered the use of Dorneywood by then-prime minister, Winston Churchill.

[b][9] Other prominent political visitors to the house during Macmillan's premiership included Dwight D. Eisenhower, Nikita Khrushchev and Jawaharlal Nehru.

[1] Macmillan's diary entry for 30 March 1966 records the eve of the election: "Both Heath and Wilson made good final broadcasts - at least, so people say.

[13] Both he and Dorothy are buried in the Macmillan family plot in their local church, St Giles, Horsted Keynes, where a plaque erected by their surviving children records their regular worship.

[15] In 2011 the house was bought for £25 million by the entrepreneur James Hay, having previously been owned by the Chinese businessman Larry Yung.

[17] Macmillan's official biographer, Alistair Horne notes that Nellie's rebuilding of Birch Grove was "one of only two or three such major works of residential construction undertaken during the depression".

Pevsner suggests that some of the interior fittings may have come from Devonshire House in London, which had been sold by Dorothy's father in 1920 and demolished shortly thereafter.