Electrical Wiring & Rewiring in Markham

Complete home rewiring in the Markham 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 Markham-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While not legally required, many buyers and home inspectors flag outdated wiring.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.

Yes — newer homes often lack outlets in convenient locations, especially in kitchens, home offices, and garages. We add outlets by running new wiring through walls and ceilings, ensuring every addition meets ESA (Electrical Safety Authority) requirements. USB-integrated outlets are a popular upgrade.

A Level 2 EV charger (240V) installation in a newer suburban home typically costs $800–$2,000 including the dedicated circuit, wiring, and outlet or hardwired connection. Homes with the electrical panel in the garage are at the lower end, while longer wire runs increase cost.

LED pot lights use 75% less energy than halogen, last 25,000+ hours, and provide superior light quality. A full-home LED pot light upgrade (15–25 lights) typically costs $2,000–$4,000 installed and is one of the most impactful lighting improvements you can make.