Castle Hill Police are investigating the circumstances surrounding a house fire in Carlingford on Tuesday.
Emergency services were called to the home on Pennant Hills Road shortly after 1am, where they located the home on fire.
NSW Fire and Rescue officers extinguished the blaze that only partially destroyed the front of the premises.
Upon further inspection inside the home, an elaborate hydroponic set up was located, with a large number of what’s believed to be cannabis plants.
No one was home at the time of the fire; however there is evidence that the home was being occupied.
A crime scene has been established and an investigation will be conducted by detectives from The Hills Command.