Electrical Wiring & Rewiring in Toronto

Complete home rewiring in the Toronto typically costs $8,000 to $20,000+ depending on the home's size, number of circuits, and accessibility of walls and ceilings. RenoHouse provides detailed free estimates for all rewiring projects.

Yes, knob-and-tube wiring is considered a fire hazard. The insulation deteriorates over time, connections become loose, and it lacks grounding. Many Toronto-area insurance companies won't insure homes with knob-and-tube wiring or charge higher premiums.

A complete home rewiring typically takes 3-7 days depending on the home's size and complexity. RenoHouse works efficiently to minimize disruption, and power is restored as quickly as possible during the process.

While not legally required, many buyers and home inspectors flag outdated wiring. Homes with knob-and-tube or aluminum wiring may be difficult to insure, which affects the sale. Rewiring before selling can significantly increase your home's value and marketability.

Aluminum wiring itself isn't inherently dangerous, but aluminum connections expand and contract more than copper, creating loose connections that overheat. RenoHouse can either rewire with copper or install approved aluminum-to-copper connectors (pigtailing) as a code-compliant solution.

Our electricians use fish tape and flexible drill bits to route wiring through existing walls with minimal damage. Some access holes may be needed, which we patch and prepare for painting. For complete rewires, some drywall work is typically required.

Yes, all electrical wiring work in Ontario requires an ESA permit and inspection. RenoHouse handles the complete permit process, including pulling the permit, performing code-compliant work, and scheduling the ESA inspection.

Yes, we wire finished basements including lighting circuits, outlet circuits, dedicated circuits for appliances, and connections for bathroom fans and kitchenettes. RenoHouse handles the complete electrical scope for basement renovations across the GTA.

If your older home still has a 100-amp panel, upgrading to 200 amps is highly recommended — especially if you're adding major appliances, EV chargers, or renovating. Modern homes draw significantly more power, and the upgrade future-proofs your electrical system while improving safety.

Knob-and-tube wiring isn't inherently dangerous when undisturbed, but it lacks grounding, can't handle modern electrical loads, and becomes hazardous when insulation is added around it. We recommend replacement during any renovation that opens walls — it also improves your home insurance eligibility.

Yes, but it requires careful cutting to avoid cracking the surrounding plaster. We use specialized techniques to install recessed lighting in plaster ceilings, and can run new wiring through the ceiling cavity from above. The result is modern lighting without damaging your home's character.