London : Règlement no PS-6, art. 7.1(a) — Fence By-law

be set back from the front lot line a minimum of 7.62 metres (25 feet); and,

• (b) if on a corner lot, not be within any corner visibility triangle or driveway visibility triangle;
• (c) permit a maximum height of 3 metres (10 feet) where the lands are zoned industrial, or commercial, are used for industrial or commercial purposes, and where they do not abut lands zoned residential, nor are they used in combination with residential uses.