A 23-year-old man has been arrested and charged for drugs offences in Erskine.
Using a warrant, officers entered a building in Pennan, Erskine and recovered more than 800 cannabis cannabis plants, worth an estimated street value of £400,000.
It was part of a pre-planned operation and was carried out at around 8.30am, yesterday.
The man who was arrested is due to appear at court today.