What happens with unpermitted electrical work?

Unpermitted electrical work is not something to hide or explain away. In Ontario, the practical path is to identify what was done, have it inspected by a licensed electrical contractor, correct defects, and involve the ESA where required.

That matters whether the issue came up after a basement renovation, a home purchase, an insurer’s questionnaire, or a buyer’s condition. The concern is not only paperwork. The bigger concern is whether the wiring was installed to the Ontario Electrical Safety Code and whether anyone can verify what is hidden behind finished walls.

City Power Electrical Services is a Licensed Electrical Contractor, ECRA/ESA #7015314, and we handle inspection-first remediation across Toronto and the GTA when owners need a clear written path forward.

Unpermitted work can become an ESA, insurance, or closing problem

Unpermitted electrical work can trigger defects, correction orders, insurance concerns, and delays when a sale or refinance depends on clean documentation.

Common situations include:

• A finished basement with new receptacles, pot lights, bathroom fan wiring, and no ESA paperwork.
• A kitchen renovation where appliance circuits were added but no one can show who installed them.
• A panel with new breakers, relabelled circuits, or unmarked cables that do not match the history of the house.
• A buyer’s inspector seeing open junctions, wrong box covers, or cable routing that looks recent.
• An insurer asking about knob-and-tube, aluminum wiring, panel condition, or renovation permits.

The first result is usually a request for proof: an ESA certificate, a contractor invoice with licence information, a panel schedule, or a written electrical inspection report. If there is no proof, the owner may need to arrange an electrical safety inspection and then correct whatever is found.

ESA involvement depends on the work. Many alterations, new circuits, service changes, and renovation wiring require notification and inspection. If you are trying to sort out whether your project should have had one, start with the rules explained in what electrical work needs ESA inspection and whether you need a permit for electrical work in Ontario.

In a real estate deal, the risk is time. A buyer may ask for defects to be corrected before closing, a lender may wait for confirmation, or title conditions may not move until the issue is documented. Electrical problems that were ignored for years can become urgent once lawyers, insurers, and buyers are involved.

The work may need investigation before anyone can accept it

Concealed unpermitted work may need testing, tracing, and sometimes limited opening before a contractor or inspector can say it is safe.

Finished walls create the hardest problem. An electrician can test polarity, grounding, GFCI protection, breaker sizing, and visible panel connections. But no one can truthfully certify hidden cable routing, buried junction boxes, staple spacing, box fill, fire separation penetrations, or conductor damage without enough access to verify them.

That does not mean every wall must be demolished. It means the inspection has to be honest about what is visible and what is not.

A typical investigation may include:

• Removing device covers to inspect box type, conductor size, grounding and terminations.
• Opening the panel to trace recently added circuits and confirm breaker-to-wire matching.
• Testing receptacles for polarity, grounding continuity, GFCI and AFCI function where applicable.
• Checking bathroom, exterior, garage, kitchen and basement receptacles for required protection.
• Looking for open splices, buried junctions, unsupported cable, overcrowded boxes, and mixed old/new wiring.
• Confirming smoke/CO detector wiring where a renovation or second unit is involved.
• Identifying whether old wiring, aluminum conductors, or amateur extensions are still active.

Where the work is hidden, the next step may be a small access opening, removal of a light fixture, inspection from an unfinished ceiling, or tracing from the panel. If the installation cannot be verified, the safer and cleaner answer may be replacement of that section rather than arguing over unknown wiring.

This is also where owners get into trouble with cosmetic fixes. A new cover plate, new breaker label, or patched drywall does not solve an unsafe splice or an overloaded circuit. If the concern is paperwork, safety and acceptance, the fix has to address the electrical defect, not just the appearance.

ESA defects must be corrected and reinspected where required

If defects are identified, they need to be corrected properly and, where ESA notification applies, reinspected before the file is closed.

An ESA defect is not the same as a casual recommendation. It is an item that must be corrected to meet the applicable code requirement. Depending on what was found, correction can be simple, such as replacing an incorrect device, or larger, such as rewiring part of a basement or replacing a non-compliant panel installation.

Common defect categories on unpermitted work include:

The sequence is usually inspection, written findings, estimate, repair, ESA notification if required, then inspection sign-off. A contractor should not promise that ESA will approve unknown work before it has been opened or tested. ESA can inspect completed work in some situations, but acceptance depends on what can be verified and what defects exist. See can ESA approve completed electrical work for the limits of that process.

Cost depends on what is actually wrong. A comprehensive safety inspection in the GTA is typically $250–$400. Straightforward device corrections may be modest, while concealed rewiring, panel correction, or basement remediation is quoted in writing after a site visit. If new circuits are needed, the ESA notification and inspection are part of doing the repair properly, not an optional add-on.

Do not ask a handyman to “make it look permitted”

The safe answer is to use a licensed electrical contractor for inspection and correction, not a handyman patch or undocumented repair.

In Ontario, electrical contracting is regulated. A handyman may be able to do many non-electrical renovation tasks, but electrical installation and repair work is different. If the issue already involves missing permits or insurance questions, adding another undocumented layer usually makes the file worse.

A licensed contractor can give you the things buyers, insurers and authorities actually need:

• A written inspection report describing visible conditions.
• A clear scope of correction instead of vague reassurance.
• ESA notification where the work requires it.
• Defect correction using approved devices, boxes, connectors and methods.
• Documentation of what was corrected and what remains outside the inspected scope.

If someone offers to hide a junction, relabel a breaker, or close drywall before an inspection, that is a warning sign. The goal is not to make the work disappear. The goal is to make the installation safe, traceable and acceptable.

For more background on who can legally do what, see can a handyman do electrical work. If you are comparing routes because you did some work yourself, the related question is can I do my own electrical work in Ontario, but once a sale, insurer or ESA issue is active, documentation becomes just as important as the physical repair.

The fastest path is a written inspection and remediation plan

The best next step is a documented inspection that separates immediate hazards, permit issues, and cosmetic concerns.

A good unpermitted-work inspection should not be a vague pass/fail opinion. It should tell you what was inspected, what could not be verified, what needs correction, and what likely requires ESA involvement. That written record helps you speak clearly with a buyer, lawyer, insurer, property manager, or renovation contractor.

A practical plan usually looks like this:

1. Gather whatever records exist: invoices, photos before drywall, panel labels, renovation dates, and appliance manuals.
2. Inspect the panel, affected rooms, visible wiring, devices, grounding and protection.
3. Identify urgent safety concerns separately from paperwork gaps.
4. Decide whether concealed work can be verified or needs limited opening.
5. Quote repairs in writing and file ESA notification where required.
6. Complete corrections, clean up, and arrange inspection where applicable.
7. Keep the final paperwork with your house records.

If you are under a closing deadline, say that at the start. Some defects can be corrected quickly, while concealed work and utility-related service changes take longer. The earlier the electrical review happens, the less likely it is to hold up a sale.

The important point is simple: unpermitted electrical work is fixable, but it has to be treated as a safety and documentation problem. Start with inspection, correct what is actually wrong, and get the proper paperwork instead of hoping no one asks.