Detectives from Sunshine Coast Criminal Investigation Branch are appealing for public assistance following a suspicious house fire in Tewantin on Wednesday morning, 29 March.
At approximately 1.30am, emergency services were called to a fire at a Waratah Close address.
Upon arrival of emergency services, the house was fully engulfed in flames.
No one was in the property at the time of the incident and no injuries were reported.
Police have declared a crime scene at the property and are waiting for the scene to be declared safe before conducting a full examination.
Anyone who may have witnessed the incident, or has dashcam or CCTV from the surrounding area, is urged to contact police.
Investigations are continuing.