She appeared in a number of television commercials and had a recurring role in the police drama Blue Heelers.
Sindi became a regular character in 2004, living with Susan Kennedy and dating Toadfish Rebecchi and then Stuart Parker.
She was involved in a range of storylines, including stripping and later on, prostitution, when she needed to pay for an operation to restore her boyfriend Stuart Parker's sight.
In 2005 she left the show when her character was committed to a psychiatric hospital because of violent tendencies.
[5][6] Warrington formed the band Lucy De Ville with fellow Neighbours actress Marcella Russo and colleague Shaun Gardener.