The 2025 NBL1 West season was the fifth season of the NBL1 West and 36th overall in State Basketball League (SBL) / NBL1 West history. The regular season began on Friday 4 April and ended on Saturday 2 August. The finals began on Friday 8 August and concluded with both the women's grand final and the men's grand final on Saturday 23 August.
The 2025 NBL1 season concluded with the fourth annual NBL1 National Finals being held at Southern Cross Stadium in Canberra.
The regular season began on Friday 4 April and ended on Saturday 2 August after 18 rounds of competition. Easter games in round 3 once again saw all teams play on a Thursday night, followed by Anzac Round in round 4, Heritage Round in round 9, and First Nations Round in round 14. In July, a regular season fixture was played in Albany.
With a 20âÂÂ0 record, the Cougars became just the third women's team in the history of the SBL / NBL1 West to go undefeated in the regular season, joining the 1999 Willetton Tigers and the 2000 Perry Lakes Hawks. Additionally, no men's team has done it either since the 2002 Perry Lakes Hawks.
Men's ladder
Women's ladder
The finals began on Friday 8 August and consisted of four rounds. The finals concluded with the women's grand final and the men's grand final on Saturday 23 August. Both grand finals were played at RAC Arena in front of 6,116 people.
Stats as of the end of the regular season
The 2025 Basketball WA Annual Awards Night was held on Saturday 2 August at Crown Perth.