Page last updated at 08:34 GMT, Wednesday, 10 September 2008 09:34 UK

Cannabis plants found in 1m home

Cannabis factory in Barnet
The factory had a sophisticated hydroponic system

Police have discovered a cannabis factory in a 1m north London house which could have produced up to 600,000 worth of drugs a year.

Officers searched the five-bedroom house in Oakleigh Avenue, Barnet, after local residents alerted them.

All five rooms were used and officers found 650 mature plants with a street value of 160,000 and seedlings which would be worth 200,000 when mature.

The criminals had also installed a "sophisticated hydroponic system".

Police said the set-up was capable of producing four crops a year.

Pc Jim Kellett, the drugs intelligence officer for Barnet, said: "This is an excellent example of the vigilance of local people who noticed something wrong and contacted police.

"In the three years that we have been dealing with this problem of homes being turned into drug factories this is the largest we have ever found.

"This was a million pound house hiding a 600,000 pound secret."

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