Underused garages are prime targets for GTA homeowners looking to add living space. This thread covers conversions and additions in 2026.
Attached Garage to Living Space Conversion
$40,000-$90,000. Requires insulation, flooring, HVAC extension, electrical, drywall, and building permit. Cannot use as bedroom without egress window. Popular for home offices, playrooms, in-law suites.
New Detached Garage
Single-car: $45,000-$80,000. Double-car: $70,000-$130,000. Permit required. Typical GTA setback: 1.2-1.8m from side and rear lot lines. Costs vary significantly with electrical, heating, and finish.
Above-Garage Addition
Office or suite above existing detached garage: $80,000-$180,000. Structural assessment required. Full suite (kitchen + bath) triggers secondary unit requirements. Separate entrance needed for rental.
LF Builders handles garage additions and conversions across GTA: https://lfbuilders.ca
Share your garage project at https://home.renovation.reviews