Cannabis worth $1.9m seized from NSW house

Police have seized almost 400 cannabis plants worth nearly $2 million in a drug bust in Sydney's southwest.

Officers from Camden police station made the find while searching a house on Struan Street in Tahmoor about 9.40am on Monday.

They allegedly found 388 plants, most more than a metre tall, and a sophisticated hydroponic system.

Officers estimate the drugs would be worth more than $1.9 million on the street. No arrests have been made.