British Secret Projects: Fighters and Bombers 1935-1945 lists the following pre-1945 combat plane projects conceived by Airspeed:
AS.29:Bomber to Specification B.1/35
AS.31:Twin-boom rear mounted cockpit fighter project to Specification F.35/35
AS.47:Twin-boom bomber project
AS.48:Single-seat fighter project
AS.52: Bomb glider version of Airspeed Horsa to Specification X.3/41
AS.56:Single-seat fighter project to Specification F.6/42
As a side note, the AS.37 was designed to Specification Q.8/37 (see
https://en.wikipedia.org/wiki/List_of_Airspeed_aircraft).