Police have seized approximately £1m of cannabis plants and drug paraphernalia following the fire in Moravian Road in Kingswood on Christmas Eve.
They were called to reports of a fire at a business park at around 5.50am on Saturday 24th December.
Avon Fire & Rescue Service advised them that they had discovered what was believed to be a cannabis factory at the site.
After the structural integrity of the building was approved, police officers were today able to gain access to the building and seize the plants, which are estimated to hold a street value of £1m. They have released these pictures of the scene inside the building and of cannabis plants.
The scene has now been closed and investigations are ongoing. The cause of the fire is not thought to be suspicious.
Officer in the case, DS Ricky Norman, said: “Thanks to the quick response from the fire service and officers on the scene has meant there was no risk to nearby residential buildings from the fire.
“The cannabis factory we have uncovered appears to be a professional set-up and enquiries into the who is behind it are ongoing. We would now like to call on the public to support us in our investigation.
“If you have any information, or saw any suspicious activity around the property, please call 101 and quote reference 5222306102 to the call handler.
“Alternatively, you can report anonymously through independent charity Crimestoppers on 0800 555 111 or through their anonymous online form.”
If you suspect someone is using, dealing, or growing drugs in your neighbourhood, call 101 line or report it online at https://www.avonandsomerset.police.uk/report/drug-dealing-and-use/