Licensed electrical work for Winchester homes.
Cornerstone Electrical serves Winchester and North Dundas with residential electrical work. Custom home wiring, EV charger installations, panel upgrades, lighting, troubleshooting, and renovation electrical — all done with proper ESA permits, licensed 309A tradespeople, and clean finished results.
Electrical upgrades and service work that homeowners can feel confident booking
Winchester is a hub for North Dundas — a mix of village-lot custom builds, established older homes needing panel upgrades, and rural properties with agricultural service requirements. We work throughout the Winchester, Chesterville, and Morewood corridor regularly, which keeps mobilization costs reasonable and scheduling responsive for homeowners in the area.
Electrical services in Winchester
From a single new circuit to a full service upgrade, every Winchester job gets a clear quote, tidy work, and the permit pulled.
EV Charger Installation in Winchester
Level 2 home charging with a proper load calculation, a dedicated circuit and clean routing to the garage or driveway. ESA permit included.
EV chargersPanel & Service Upgrades in Winchester
100A to 200A upgrades, fuse-to-breaker conversions and room for heat pumps, EV chargers and additions. We handle the hydro coordination.
Panel upgradesRepairs & Troubleshooting in Winchester
Tripping breakers, dead outlets, flickering lights, or part of the house without power. We find the cause and fix it properly.
RepairsRenovations & Basements in Winchester
Kitchens, basements, bathrooms, additions and suites, wired to code and planned before the walls close.
Renovation wiringNew Custom Homes in Winchester
Complete electrical for new builds: service, rough-in and finish, coordinated with your builder and inspected at every stage.
Custom home wiringSee all services
Insurance electrical fixes, renovation general contracting, surge protection, lighting, generators, multi-unit work and more.
All servicesSimple from first call to final inspection
No runaround and no surprise charges. You'll always know what's happening and what it costs.
Tell us about the job
Fill out the quote form or give us a call and tell us what you need. We'll ask the right questions and get back to you quickly.
Get a clear written quote
A fixed price with exactly what's included, so you can compare it fairly. If something changes, you'll hear about it before any work is done.
Done right and inspected
Neat, code-compliant work, the ESA permit filed, and your home cleaned up before we leave.
Why Winchester homeowners choose Cornerstone
The fundamentals that make hiring an electrician feel less risky.
Licensed 309A & ECRA/ESA registered
Every job pulled under a 309A license with an ESA permit filed. You get the Certificate of Acceptance on file when the work passes inspection — useful for insurance, resale, and peace of mind.
$2M liability & WSIB covered
$2 million in liability insurance and WSIB coverage on every job. If something goes sideways, you're not carrying the risk, and there's no paperwork on your side.
Clear quotes, honest scope
Itemized quotes so you can see what's included and what isn't. If an upgrade isn't actually necessary, we say so. Most residential quotes turn around inside 48 hours.
What our customers are saying
Real reviews from real customers on Google.
“I had an excellent experience with Cornerstone Electrical installing the charger for my Ford Mustang Mach-E. The installation was done professionally, everything was neat and well organized, and the entire process was smooth from start to finish. The electrician was incredibly friendly, knowledgeable, and took the time to answer all of my questions. It’s clear they take pride in their work. I highly recommend Cornerstone Electrical to anyone looking for a reliable EV charger installation. Five stars all the way!”
“Great service and communication. I emailed them for a quote. I got a quick response back. I needed a EV charger installed and some breaker change in my panels. The job was quick and everything looks good and professional. I would definitely recommend them.”
“Excellent service / top-notch job completion. Was on time and completed the necessary work in a professional manner. Was very polite and great to work with. Would absolutely recommend.”
Common questions from Winchester homeowners
Are you close to Winchester?
Yes — our base in Morewood is roughly 15 minutes from Winchester. This proximity means faster response, lower mobilization costs, and more flexible scheduling for Winchester homeowners.
Do you handle agricultural electrical work near Winchester?
Our primary focus is residential electrical — custom homes, panel upgrades, EV chargers, and service work. For agricultural-specific electrical needs, we can discuss the scope and determine if it's a good fit.
What does a panel upgrade cost in Winchester?
Costs vary based on existing service, new panel size, and installation complexity. We provide clear, written quotes before starting any work. Call (613) 265-9604 for a free assessment.
Communities near Winchester
Near Winchester but don't see your town? Call and we'll confirm whether you're in our service area.
Chesterville · Morrisburg · South Mountain · Greely · Osgoode · Kemptville
Need an electrician in Winchester?
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