A hydroponic drug set up was uncovered after firefighters were called to a house fire in Carlingford last night.
Police said emergency services were called to the home on Pennant Hills Road shortly after 1am this morning.
NSW Fire and Rescue officers extinguished the blaze and on further inspection inside the home, found an elaborate hydroponic set up.
Police said a large number of what’s believed to be cannabis plants were found.
Police said no one was home at the time of the fire; but there was evidence the home was being occupied.
A crime scene was established and an investigation will be conducted by detectives from The Hills Command.
Anyone with information about this incident should call Crime Stoppers on 1800 333 000.