The idea of all demolition permits requiring a notice period is not a terrible one, and probably should be on a sliding scale based on the age of the structure,; thus a 20 year old building requires say 20.days while an 80 year old building requires say 80 days.

This may, in a small way help the efforts to.preserve and at least allow the ground forces a window of opportunity. 

Realistically however there are so many challenges within the municipal status quo combined with the relentless pressures of a heartless development industry that, it's my opinion that heritage legislation needs some fairly major adjustments beyond this notion