POLICE believe a car fire which caused a blaze at a Macquarie Fields house was deliberately lit.
Emergency services were called to a home on Eucalyptus Drive after reports a car was alight shortly after 9.30pm on Tuesday night.
The blaze spread to the house, which was significantly damaged.
Firefighetrs put the blaze out and officers from Macquarie Fields command set up a crime scene.
Early inquiries indicated the fire was deliberately lit, police said.
Investigators are appealing for anyone who witnessed the incident, or any suspicious behaviour in the area, to come forward.
Crime Stoppers, 1800 333 000.