He was a Labor member of the Western Australian Legislative Assembly from 2001 to 2008, representing the electorate of Southern River.

[1] Andrews entered parliament at the 2001 state election by defeating sitting Liberal MP Monica Holmes.

[2] Seeking a third term at the 2008 state election, Andrews lost his seat to Liberal candidate Peter Abetz.

[3] Andrews had also battled kidney disease for years and championed organ transplant in the Western Australian State Parliament for his two terms.

Andrews also voiced his passion for reform to the organ donation transplant laws in Western Australia.