Developed to meet the requirements of Specification T.23/36 by Airspeed, the Oxford was based on the company's existing commercial 8-seater aircraft, the AS.6 Envoy, designed by Hessell Tiltman.
Oxford, som var bygget efter specifikation T.23/36, var baseret på Airspeed's kommercielle 8-sæders fly, AS.6 Envoy, designet af Hessell Tiltman.