Cradley Heath, Southampton and Coventry had all moved up to Division Two whilst Wombwell dropped out.
The five new sides were Liverpool Chads,[4] Leicester Hunters, Rayleigh Rockets, Oxford Cheetahs[5] and Halifax Dukes.
[6] Swindon Robins joined the league late in the season, when Reg Witcomb applied to the Speedway Control Board to take over the remaining fixtures of Hull Angels, who had withdrawn from the league.
[7] Hanley Potters won the title on race points difference from Yarmouth Bloaters[8] and Billy Bales of Yarmouth topped the averages.
[12] Third Division Qualifying First round Third Division Qualifying Second round Third Division Qualifying semifinals First leg Second leg Exeter Halifax Hanley Hastings Hull/Swindon Leicester Liverpool Oxford Plymouth Poole Rayleigh Tamworth Yarmouth