A crime scene has been declared after a Parramatta Park house went up in flames this morning.
Emergency services were called to the blaze on Grove Street around 1.30am
The cabin-style home was badly damaged by fire and is believed to have been empty at the time.
All nearby residents have been safely evacuated.
Forensic investigators are at the scene this morning.
Police are appealing to any witnesses, or anyone with CCTV or dash-camera footage from Grove Street between 1.30am and 2am, to come forward.
Investigations are ongoing.