Excessive Alarm noise

26 Central Drive, North Pine, Brackenfell 7560, had a alarm system installed last year2015..Armed response company(Capital security) does their rounds everytime this house's alarm goes off,had a chat with the response unit in regarding with finding the owner of house but they said he does not answer his phone when they call him.Now in 2016 The owner is hardly at home,so his alarm/siren goes off in the middle of the night and 2o'clock in the mornings,which wakes most of the neighbourhood, wakes up my baby and my daughter who has to attend school the next day..I have notified the owner previously about the alarm going off and being a nuisance..I also made a complaint about his garden front and backyard which is a mess,and creates breeding of dangerous spiders, mice, rats, bees and wasps..He has cleaned it once but does not maintain it even if it's just on a once a monthly bases...