Rubuta ci gaba ga wannan sakin layi - Tedder ya maye gurbin Charles Portal a matsayin Babban Jami'in Sojan Sama a ranar 1 ga Janairu 1946. A wannan rawar da ya bayar da shawarar kara yawan daukar ma'aikata a fuskar da yawa daga cikin matukan jirgin sama da ke barin aikin, ya ninka girman Fighter Command kuma ya aiwatar da shirye-shirye don Berlin Airlift
a shekarar 1948. An ba shi peerage a matsayin Baron Tedder, na Glenguin a cikin County of Stirling a ranar 8 ga Fabrairu 1946 kuma ya sami lambar yabo ta Amurka a ranar 14 ga Yuni 1946. A cikin 1947 ya ba da Lees Knowles Lecture, wanda aka buga a matsayin "Air Power in War". Ya ci gaba da zama Shugaban, Ofishin Jakadancin Birtaniya a Washington a watan Janairun 1950 kafin ya yi ritaya a watan Mayu 1951. A cikin 1951 Tedder ya karɓi gayyatar shugabancin Hukumar Masarauta kan Ilimin Jami'a a Dundee wanda a ƙarshe ya haifar da ƙirƙirar Kwalejin Sarauniya, Dundee a matsayin kwalejin Jami'ar St Andrews. Dansa John daga baya zai zama farfesa a Jami'ar Dundee (kamar yadda Kwalejin Sarauniya ta zama) da kuma a St Andrews.