Glossary / Ontario building rules

What is lot coverage?

Plain-language definition

A zoning measurement describing how much of a lot is occupied by buildings or structures under the applicable municipal rules.

Make it concrete

Examples

  • A new accessory structure can increase total lot coverage.
  • A site plan may need to show lot area and the percentage covered by structures.
  • An addition can conflict with zoning because of coverage even if setbacks are satisfied.

Related terms

Official sources

Mississauga — Accessory buildings and structures
Open official source
Mississauga — Deck, porch or balcony documents
Open official source