curses!

Is our new house cursed?

There have been 4 accidents so far during our house build
1. The man delivering the steel frame twisted his ankle on our driveway in July and was taken to hospital
2. The original plasterer had a heart attack (we're now on our 3rd set of plasters, good Greek boys!)
3. Steven the builder injured his knee helping to lift the plaster board and had to go to hossie to have fluid drained from it
4. Today I found out that the tiler's father had a heart attack yesterday

Steven also said his 39-year-old brother had a heart attack 3 months ago as well.
So stay away from our house, its dangerous! Can anyone remove the curse? A cleansing ritual perhaps? Townsville Witches, can you help???