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Electrician in London, ON
Find a verified electrician contractor in London. Average cost: $150–$500.
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Last updated: April 2026
Quick Answer
Electricians in London Ontario charge $85 to $140 per hour. Panel upgrades from 100 to 200 amps cost $2,000 to $4,500. Knob-and-tube rewiring in heritage homes like Old North and Wortley Village runs $8,000 to $20,000. EV charger installation costs $800 to $2,500. All work requires ESA permits and inspection.
Data: GetAHomePro market estimates (Q1 2026), regional market analysis.
Electrician in London: What You Need to Know
Electrical work in London spans from knob-and-tube rewiring in Old North Victorians to smart home installations in Sunningdale new builds. The city's electrical infrastructure reflects its growth history — oldest neighbourhoods carry original wiring from the early 1900s through 1950s, while successive development waves installed their era's standards.
London's pre-1960 housing in Old North, Old South, Wortley Village, and Old East Village presents the most complex challenges. Knob-and-tube wiring, 60-amp services, and ungrounded outlets are common. Insurance companies increasingly refuse coverage on homes with knob-and-tube, creating urgency for panel upgrades and rewiring. The Western University rental corridor adds complexity — multi-unit conversions in heritage homes often operate on electrical systems not designed for multiple tenant loads.
Byron and Westmount homes from the 1970s and 1980s commonly have 100-amp panels struggling with modern loads — EV chargers, home offices, hot tubs. Panel upgrades from 100 to 200 amps are among the most common electrical projects. London Health Sciences Centre and the insurance industry generate professionals who invest in electrical modernization including whole-home generators for ice storm power outages.
Electrician Cost Breakdown — London, ON (2026)
Average prices in CAD based on 10 local contractors — estimated for this market.
| Service Type | Average Cost (CAD) | Typical Duration |
|---|---|---|
| Outlet or switch repair | $90–$150 | 30 min – 1 hour |
| Panel upgrade or circuit work | $150–$325 | 2–4 hours |
| Rewiring or major install | $325–$500 | 1–3 days |
| Full home electrical upgrade | $500–$1,000 | 3–7 days |
Prices for London, ON. Last updated 2026. Source: GetAHomePro market estimates.
What Electrician Costs in London
Average price range in CAD for the London CMA area, 2026.
Budget$150
Average$325
Premium$500
Most London homeowners pay
$150 – $500
Source: HomeGuide 2025. Prices reflect the London CMA metro area. Last updated 2026.
Estimate
Costs last verified: 2026Sources: GetAHomePro market estimates, regional market analysis, ESA (Electrical Safety Authority), ECAO (2026)
Your Top 3 Verified Pros
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Thames Valley Electrical
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★5.0(184)
717 Chester St, London, ON N6C 2K3, Canada
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FES Electric
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Electrician in London — FAQs
Common questions London homeowners ask about electrician.
How much does an electrical panel upgrade cost in London Ontario?
Panel upgrades from 100 to 200 amps in London cost $2,000 to $4,500 including ESA inspection. This is common in Byron and Westmount where 1970s and 1980s homes have 100-amp panels that cannot support modern loads including EV chargers and home offices.
Does my London home need rewiring if it has knob-and-tube?
While knob-and-tube is not inherently illegal, many Ontario insurers require its removal as a coverage condition. Full rewiring of a heritage London home costs $8,000 to $20,000. Get quotes proactively rather than rushing to meet an insurance compliance deadline.
How much does EV charger installation cost in London?
Level 2 EV charger installation in London costs $800 to $2,500 depending on panel capacity and charger location.
Community Questions
Real questions from London homeowners about electrician.
My power flickers in the winter when I plug in my space heater – is that normal in London, Ontario, and how much would it cost to get an electrician to check it out?
Flickering lights with a space heater are common in older London homes with potentially outdated wiring. It's definitely worth investigating. A diagnostic visit from a licensed electrician in London usually costs between $150-$250 CAD plus HST (13%). They'll check your panel and wiring to ensure it can handle the load and recommend upgrades if needed.
I'm thinking of replacing a light fixture myself to save some money. Are there any electrical jobs in London, Ontario that I absolutely should NOT do myself, and how do I find a reputable electrician if I mess things up?
In Ontario, any electrical work beyond replacing a like-for-like fixture legally requires a licensed electrician because of ESA regulations. Things like rewiring, adding circuits, or working on your electrical panel are strictly prohibited for DIY. If you start a project and realize it's over your head, search online for electricians in London who are licensed by the Ontario College of Trades (OCOT).
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Electrical Licensing in Ontario
Ontario requires licensing for electrical contractors
License type: Licensed Electrician (309A/309C)
Must hold 309A (Construction & Maintenance) Certificate of Qualification. Apprenticeship (9,000 hours) + exam.
Verify contractor licenseWhy Hiring a Licensed Electrical Contractor Matters in London, ON
When hiring a electrical contractor in London, licensing is your first line of protection. Ontario (ON) requires electrical contractors to hold a valid state license before performing work. This means the contractor has met minimum training, experience, and insurance requirements set by the state. In the London area, always ask for the license number upfront — licensed pros carry liability insurance that covers property damage and injuries on the job, they must follow current building codes, and you have legal recourse through the Ontario licensing board if work is substandard.
Ask for both their license number and whether they will pull the required electrical permit. Permitted work gets inspected by the city — this is your safety net. Any electrician who suggests skipping the permit "to save you money" is a major red flag.
Verify Ontario electrical contractor licenses onlineElectrical Contractor Certifications to Look For in London
- Journeyman or Master Electrician license (requires passing the NEC code exam)
- Knowledge of current National Electrical Code (NEC) standards
- Arc flash safety training certification
- Low-voltage or fire alarm specialty certifications (for specific work types)
What Affects Electrician Costs in London
Electrical rates in London run $85 to $140 per hour. Panel upgrades from 100 to 200 amps cost $2,000 to $4,500 including ESA inspection. Knob-and-tube rewiring in heritage homes runs $8,000 to $20,000. Outlet and switch replacements cost $120 to $250 per point. EV charger installation runs $800 to $2,500. Whole-home generator installation costs $5,000 to $15,000. ESA permits add $150 to $400. Heritage homes with plaster walls increase rewiring costs due to access difficulty.
Seasonal Tips for London Homeowners
Electrical work has less seasonal variation but follows renovation cycles. Spring and summer are busiest — book three to four weeks ahead May through August. Panel upgrade demand peaks in fall as homeowners prepare for heating season loads and insurance renewal deadlines for knob-and-tube replacement. Winter is quietest and often offers the best availability for planned electrical projects.
Expert Tip
London homeowners in pre-1970 neighbourhoods should check whether their home insurance specifically addresses knob-and-tube wiring. Many insurers now require rewiring as a coverage renewal condition. If your Old North or Wortley Village home still has knob-and-tube, get a rewiring quote proactively — doing it on your timeline is significantly less expensive than rushing to meet an insurance deadline.
London's electrical market includes ESA-licensed firms ranging from large commercial-residential operations to residential specialists. The diverse housing stock supports contractors with heritage rewiring expertise alongside those focused on new construction and smart home technology. Competition keeps pricing reasonable relative to GTA rates.
Electrician Demand by Month
Typical demand patterns for electrician in London, ON
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Peak demand months for electrician in London: June–August and December. Book during January–March for potential savings of 10–20%.
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Wiring, panel upgrade, outlet installation, or troubleshooting
2
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Licensed electricians in London review your project
3
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Electrician Market in London
With 422,324 residents, London is a mid-size market for electrician services.
There are approximately 10 licensed electrician professionals serving London’s 422,324 residents.
With a median home build year of 1975, many homes in London are 51+ years old, which often means outdated wiring that may not meet current code. For properties of this age, electrical panels may need upgrading to modern standards.
Electrician Video Guide
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Cost estimates based on regional market analysis and industry benchmarks. Contractor ratings from Google Business Profile. Licensing information from Ontario state licensing board. Last updated: March 5, 2026.