During his tenure he was sworn of the Privy Council (1959)[1] and was created Baron Cobbold, of Knebworth in the County of Hertford (1960).

He subsequently led the Cobbold Commission in 1962 which studied the question of North Borneo and Sarawak's merger with Malaya to form Malaysia.

In 1963, he was appointed a Knight Grand Cross of the Royal Victorian Order and Lord Chamberlain to Queen Elizabeth II.

[3] He served until 1971, and during his tenure the Lord Chamberlain's theatrical censorship role was abolished (1968) and he was appointed to the Order of the Garter (1970).

Clive Hodges: Cobbold & Kin: Life Stories from an East Anglian Family (Woodbridge, Boydell Press, 2014) ISBN 9781843839545