North Beach remporte le championnat. La NRL et le gouvernement d'Australie-Occidentale discutent de l'expansion de la ligue, les négociations entre les Perth Bears et North Sydney étant toujours en cours. C'est une période passionnante pour le rugby à XIII en Australie-Occidentale, dont l'avenir s'annonce prometteur, la NRL s'intéressant de près à la côte ouest.
The premiership consisted of 8 clubs Applecross Mt Pleasant, South Perth, Fremantle, Cottesloe, Canning, North Beach, Willagee and Belmont Steelers. The Grand Final was between Canning and South Perth after Canning had upset the minor premiers Belmont Steelers 24-12 in a ferocious game at Ken Allen Field
Willagee took out their first top grade minor premiership since entering the first grade competition in 1968 under the coaching of Peter Kennedy. It was a sensational season with South Perth’s loss to Mosman Cottesloe in the last game of the season at Nash Field ensuring Willagee would gain the honour
Mosman Cottesloe and Fremantle each scored 7 tries and 5 goals with the lead changing 12 times. The temperature that day was predicted to be 31 C and the score ended that way 31 all. After two extra 10 minute each way periods of time the teams couldn’t be separated, players were exhausted and the WARL after much discussion declared joint premiers.
The competition expanded in 1951 losing Eastern Suburbs but gaining Nedlands and Victoria Park which made seven sides in the premiership. The Reserve grade competition expanded with 11 sides competing within an A and B Division with that Division comprising clubs from North Beach (future first grade Club), Northern Suburbs, Southern Districts, Canning Districts and Eastern Suburbs
Into the new decade and the Western Australia senior competition gained one new first grade side Northern Suburbs Bulldogs (although they only lasted 2 games) , A number of clubs were however formed joining future first grade club Victoria Park who joined in 1949. Eastern Suburbs changed their colours from all Black to Maroon and Gold and Applecross stuck to the Blue colours of Newtown
The First season of rugby league in Western Australia kicked off on the 17th April at the Esplanade. The teams were a combined side consisting of players from Fremantle, Cottesloe, South Perth, Perth and Palmyra. Perth Districts beat Fremantle Districts 24-17. Five teams made up the First Grade Senior competition for 1948 being Fremantle, South Perth, Cottesloe, Perth and Palmyra who withdrew after 2 games