i also lived in a unit under the penthouse were a deck has a 5 000 lt fish pond installed
the noise from the pump is heard clearlly at night,and the water is changed weekly
which flows down the gutter in the street
i asked council to look into the alterations and fish water flushing down the street
eventually nothing was done,a case of owner finding a lawyer to defend there right to do whatever they want to do,after the built ins,alterations installed
i sold up .leaving the problems to the new owners.not worth the stress of living with psychopaths as neighbours.just read through the posts about the stress and money lost pusuing your right to peacefull enjoyment of your lot…LOL.