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You’re probably already keeping a detailed log of every incident, and recording evidence - keep doing it
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Go to the local council environmental nuisance team
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They provide a noise meter (or sometimes app for your phone) to record proof
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After a few incidents they can serve him with a noise abatement order
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If for some reason they won’t, as long as you’ve followed the process above you can apply to Magistrate’s Court directly for a noise abatement order and both parties will get summoned to put forward their sides.
Ahh yes of course, two wrongs have always made a right /s