John Iddon Fine Art specialises in Modern British art, and particularly that of Royal Academicians, from the 1930's to the present. Artists include: John Piper, David Hockney, Mary Fedden, Ken Howard, Quentin Blake, Hugh Casson, Paul Hogarth, Frederick Gore, Sonia Lawson, Frank Dobson, Donald Hamilton Fraser, Leonard Rosoman, Bernard Meninsky, Mary Potter, Padraig Macmiadhachain, Leonard McComb, Laura Knight, Allen Jones, Edward Wolfe and Harold Hope Read as well as many younger contemporary artists.

Before starting John Iddon Fine Art, John ran an MA degree in Museums and Galleries Interpretation. In addition to art dealing he is a NADFAS lecturer in art history. He has lectured at the Peggy Guggenheim Gallery, Venice; on the Queen Mary 2 and is now part of team of Tate lecturers combining with P&O to give talks on art on P&O cruises.