Garage renovations are among the most popular projects in the GTA in 2026. Whether converting to living space, upgrading for EV charging, or simply improving storage and insulation, this guide covers all scenarios.
Types of Garage Renovations
Basic Garage Upgrade ($5,000-$15,000)
- Insulated garage door replacement
- Epoxy or polyaspartic floor coating
- LED lighting upgrade
- Basic electrical (20A circuits for tools/freezer)
Full Insulation and Heating ($10,000-$25,000)
- Spray foam or batt insulation on walls and ceiling
- Radiant in-floor heat or ductless mini-split
- Vapour barrier and drywall
- Upgraded electrical panel sub-feed
EV Charging Ready Garage ($8,000-$20,000)
- 200A service upgrade if required
- Dedicated 240V/50A EVSE circuit
- Level 2 charger installation
- Optional: conduit for future solar tie-in
Garage-to-Suite Conversion ($60,000-$150,000+)
Requires full building permit under OBC. Must meet residential occupancy standards: minimum ceiling height 2.1m, egress windows, separate HVAC, plumbing rough-in if adding bathroom.
Permit Requirements
Any structural work, electrical upgrade, or change of use requires a building permit from your municipality. GTA permit timelines: Toronto 8-16 weeks, Mississauga 6-10 weeks, Brampton 8-12 weeks.
Full breakdown with contractor vetting tips: https://telegra.ph/Ontario-Garage-Renovation-Guide-2026-Insulation-Heating-Flooring-and-Conversion-Costs-04-26