The demolition of Cornwall St School has upset residents who say noise from the job is horrendous.
Contractors Bruce Buchanan began demolishing the disused bike shed and bus shelter on Monday, and continued work on the classrooms on Thursday.
Cornwall Park Motel owner Pauline Dickson said she couldn't believe the demolition work was taking place over summer - her busiest time of year.
She said the neighbourhood was usually quiet which attracted most of her guests, and noise started at 7.15am on Thursday.
"Why couldn't they do it when it's not the peak of summer with the wonderful weather and people enjoying the unique grounds outside?"