An "out of control" DJ was blamed by a hotel and pub owner who was fined by courts after Brent Council said loud music for nearby residents was "unacceptable".
The council's nuisance control team heard how neighbours by the William IV gastro pub in Harrow Road "saw their crockery shake from experiencing noise so loud" after a summer event in July 2016.
Courts heard Mannion's barrister argue that the DJ on the evening had "refused to co-operate and was out of control".
During the trial, the court refused to accept the argument and slapped him with the heavy fine after an initial first hearing on December 13, 2016, where he had also pleaded not guilty.
Mannion was charged with failure to comply with a notice act from the council on the Environmental Protection Act 1990.
Councillor Tom Miller, cabinet member for stronger communities, said: "Everyone likes a night out from time to time but when it causes neighbours misery then it becomes unacceptable.
"This case shows that we will continue to take action to protect the rights of our residents to get a good night's sleep.
"We won't allow residents to be caused nuisance by businesses who don't think about the consequences of controlling their events properly."
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