Suspected Class A drugs, a large quantity of cash and high value bikes and watches were seized during a warrant carried out in Mangotsfield this morning.
The warrant, which was based on intelligence, was executed by Operation Remedy officers.
A 32-year-old man was arrested on suspicion of being concerned in the supply of Class A drugs, possession with intent to supply Class A drugs (cocaine) and possession of criminal property.
The man is currently in police custody and inquiries are ongoing.
If you have any suspicions over drug dealing taking place in your community, call101 or you can give the information anonymously to the independent charity Crimestoppers on 0800 555 111 or online at www.crimestoppers-uk.org