Police discovered over 100 suspected cannabis plants when they raided an address in Luddenden Foot.
Officers from the Upper Valley neighbourhood policing team made the discovery at 11.37am yesterday after receivign information from the public.
Growing equipment was also seized.
Inspector Dave Browning, who leads the team, said: “This shows that if you report these kind of activities to us, we take action.
“I would urge anyone who sees anything suspicious to call us via 101.”
Anyone with information or concerns about drugs in their area should call their neighbourhood policing team via 101.
Information can also be passed on to Crimestoppers, anonymously, via 0800 555111.
Meanwhile the Upper Valley neighbourhood policing team say they have reduced people’s fear of anti-social behaviour in the Upper Valley by 50 per cent since 2008.