The ALP's plan to give Victorians the right to work from home hangs in the balance after Coalition and crossbench MPs delayed its introduction by voting to refer the legislation to a parliamentary committee.

Premier Ben Carroll is facing a High Court challenge after the Property Council received advice from a senior barrister that Labor’s bill is unconstitutional.

Employer groups have again vowed to take Victoria’s proposed working- from-home bill to the High Court despite amendments.