Conversion

The intentional interference with the right of another to a chattel which is of sufficient seriousness to require the interferer to pay for the chattel.

A change in the structure of a building, as from one use to another or to a more intensive use, but not demolition and rebuilding.

Reference

J & A Investments Ltd v Halifax (Regional Municipality) (2000), 11 MPLR (3d) 99 (NSSC)