He received his education at Wyggeston Grammar School, Leicester, and worked for three years as a bank clerk after that.
[1] After leaving the army Whatmore spent some time in producing for Amateur Operatic Societies.
He booked the Lecture Hall (Part of the Assembly Rooms in Kingston Square), from the proprietors, Morton's Limited.
He opened on 13 September 1924 for a four-week season of modern plays, having gathered a core of professional actors supplemented by local amateurs.
He was director of the Embassy Theatre in Swiss Cottage, London, in partnership with Alec L Rea, from September 1930 to March 1932.
[1] After the war he wrote several more plays, namely She Wanted a Cream Front Door (1946), Rehearsal 1030 (1949), The Sun and I (1949) and Count Your Blessings (1950).