Guns and drugs were found by Brent police during the raid.
Police have arrested 12 people after a series of drugs raids in Brent this the early hours of Wednesday February 28.
Guns and class A drugs were also found at the scene of the busts across the borough.
Those arrested remain in custody at north London police stations pending further enquiries.
The raids were part of Operation Hope, by Brent police to tackle drug dealers operating in the area, along with associated crime such as knife crime, other violence, burglary, theft and anti-social behaviour.
More than 100 officers were involved in the operation. Additional support was supplied by officers from surrounding boroughs, and the Territorial Support Group.
Detective Chief Inspector Pete Wallis said, “Today’s operation is indicative of our commitment to keep Harlesden and Brent safe, and listen to and act on community concerns.
“We will continue to disrupt and dismantle crime and prosecute those people who inflict misery on the community.
“By targeting drug dealing we can continue to have a positive and long term impact on related crimes such as knife crime, violent and acquisitive crime and on the quality of life in Harlesden.
“The support of all who live and work in Harlesden is essential to achieve positive change and I would like to thank community members for providing that ongoing support to us. I hope they can see that our actions, in conjunction with the Local Borough of Brent, show we do act on their concerns.”
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