BBQs, kids crying, music too loud, car alarms etc are all a bit irritating at times but it is a matter of live-and-let-live and these things are usually transient.
What really bugs me is people who leave their dogs barking/pining all day or all night. Luckily that has not happened here recently, but I remember it driving people crazy a few years ago.
It does not even have to be nearby. At this time of year with windows open the sound carries a long way. Just have to rely on these people's immediate neighbours getting the most hacked off with it and taking action with the council/RSPCA etc.
This is not exclusive to 'bad areas'. The last time we experienced it was in a very posh little village in Wiltshire where the 'owner' turned out to be a very well spoken elderly lady who was looking after her son's dog for a weekend. Unfortunately it was more distressing to her than anyone else. There was no way she could placate the animal and she had to spend a lot of money to get it temporarliy kennelled. (The local National Trust 'warden' who lived nearby insisted on it.)
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