Great idea for a thread.
Here's a recent one. This victorian building sits at the corner of Des Pins and Saint-Laurent. It was in such a bad state that I was sure it was not possible to save it. Then the city obliged the owner to do something about it and voilĂ !
The original
Source:
projet Montreal
Before the restoration
Source:
La Presse
After the restoration
Source:
Montreal RE blog