During this time Foyle produced a thesis on the early history of Hampton Court and received a doctorate from the University of Reading in 2002.
(Hons) 2:1 Architecture Canterbury School of Architecture (1992) National Diploma in Art and Design Lincoln College of Art (1989) Foyle has written many scholarly papers and additionally contributed articles for a number of newspapers and popular magazines.
He has taught and lectured widely in Britain and around the world and has appeared and presented a number of television broadcasts.
He delights in working without a net, whether by dangling from an immense height in order to comment on the iron tracery of St Pancras railway station or by improvising a pencil sketch of the pyramids' surroundings in Egypt.
In 2007 Foyle accepted the position of Chief Executive of World Monuments Fund Britain, the UK arm of a global charity, which has achieved great success in securing imperilled architectural sites for future generations.