During this period, he joined Arthur Evans’s team as an architect for the excavations at Knossos.
[4] From 1904 onwards, Fyfe was working mainly for John James Burnet at the British Museum.
He was responsible for the designs of the Shaftesbury Institute, hall and classrooms at Charlotte Mason College in Ambleside, Chester Cathedral, Memorial Chapel at Ashton Hayes and built houses in Cambridge and elsewhere.
In 1919, he was appointed architect to the chapter of Chester Cathedral, in 1921, he was lecturer in classical archaeology at Cambridge.
He started to travel to Italy, Greece, Turkey, Syria and Egypt in 1932, to study ancient architectural remains.