Architect. Born Edward Charles Philip Monson, son of architect Edward Monson, brother of architect Harry Castle Hiett Monson (1877-1961) and father of John Monson. Monson works were frequently products of a family partnership. Information from The Victorian Web.
An article in the Islington Gazette names 2 of Monson's works in Islington: 1922 Taverner Estate in Highbury Grange and 1936 Brecknock Road Estate (note the triangular bay windows).