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Find a Lawyer » Canada Legal Guides » Ontario Legal Guides » Landlord & Tenant Rights Ontario » Evictions & Rent Disputes Ontario » Evicting a Commercial Tenant Who Alters the Building Façade Without Permission in Ontario

Evicting a Commercial Tenant Who Alters the Building Façade Without Permission in Ontario

27 Jun 2026 4 min read No comments Evictions & Rent Disputes Ontario
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Under the Ontario Commercial Tenancies Act, a landlord can terminate a lease if a commercial tenant alters the building façade without permission. However, you cannot lock them out immediately. You must serve a formal written Notice of Default detailing the breach and provide a reasonable timeframe for them to restore the exterior.

Leasing commercial real estate in Ontario requires a delicate balance of power. Whether you own a busy retail plaza in Mississauga, a heritage storefront in Ottawa, or a modern warehouse in Vaughan, the exterior appearance of your building is critical to its value. When a commercial tenant decides to paint the brickwork neon green or bolt massive, unauthorized signage directly into the stone façade, they are not just being creative-they are likely committing a serious breach of their commercial lease.

Unlike residential tenancies, which are highly protective of the tenant, commercial leases in Ontario are governed by the Commercial Tenancies Act (CTA) and the specific contract you signed. ⚠ While commercial landlords hold significant power to evict (often without a court order), the process must be executed flawlessly. Locking out a tenant without giving them the legally required chance to fix the unauthorized renovation can expose your corporation to a massive lawsuit for “wrongful eviction” and lost business profits.

Step-by-Step Process for Commercial Eviction in Ontario

Addressing an unauthorized exterior alteration requires strict adherence to your commercial lease agreement. Most successful commercial landlords rely on their legal team to execute the following steps to ensure compliance and avoid liability.

Step 1: Scrutinize the Commercial Lease Agreement

Before taking any action, review the “Alterations” and “Signage” clauses in your lease. 📖 A standard Ontario commercial lease explicitly states that no structural or cosmetic changes may be made to the exterior without the landlord’s prior written consent. Ensure there are no loopholes that the tenant might use, such as a clause allowing “minor cosmetic updates.” If the lease clearly forbids the work, you have a solid foundation for action.

Step 2: Issue a Formal Notice of Default

You cannot simply show up with a padlock. Under Section 19(2) of the CTA, you must serve the tenant with a formal, written Notice of Default. This legal document must specify the exact breach (e.g., unauthorized painting of the building façade), demand that the tenant restore the premises to its original condition, and demand compensation for any permanent damage.

Step 3: Allow a “Reasonable” Time to Cure

The law requires you to give the tenant a reasonable opportunity to “cure” (fix) the breach. ⏱️ What is considered reasonable depends on the complexity of the fix. Asking them to remove an unapproved window decal might require a 5-day notice, while sandblasting unauthorized paint off heritage brick might reasonably take 15 to 30 days. Your lease agreement will often dictate the exact number of days required for the cure period.

Step 4: Execute a Re-entry and Termination

If the cure period expires and the tenant has ignored the notice, you have the right to terminate the lease. In Ontario, commercial landlords typically hire a licensed commercial bailiff to execute a “right of re-entry.” The bailiff will arrive after business hours, change the locks, and post a formal Notice of Termination on the door, effectively evicting the business.

Step 5: Pursue Damages in Superior Court

Even after the eviction, you are likely left with a damaged building. 💰 Your commercial litigation lawyer can file a lawsuit at the Superior Court of Justice to recover the costs of hiring specialized contractors to restore the façade, as well as suing for lost future rent for the remainder of the broken lease term.

How Much Does it Cost in Ontario?

Commercial evictions and building restorations can be incredibly costly. 💵 Here is a breakdown of what you might spend while enforcing your lease:

Service / ExpenseEstimated Cost (CAD)
Lawyer Drafting Notice of Default$500 – $1,500 for a standard commercial lease breach notice.
Licensed Commercial Bailiff$500 to $2,000+ depending on the size of the premises and locksmith fees.
Façade Restoration Contractors$3,000 – $15,000+ for specialized masonry cleaning, paint removal, or structural repairs.
Superior Court Litigation$15,000 to $50,000+ if the tenant sues for wrongful eviction or you sue for damages.

How Long Does the Process Take?

The speed of a commercial eviction relies entirely on the written contract. The Notice of Default period usually takes 10 to 30 days. If the tenant fails to cure the issue, the actual lockout by a bailiff takes one day. However, if the tenant challenges the eviction in court by applying for “relief from forfeiture,” the legal battle can drag on for 6 to 12 months.

Frequently Asked Questions (FAQ)

What is “Relief from Forfeiture”?

In Ontario, a commercial tenant can apply to a judge for “relief from forfeiture.” Even if they broke the lease by altering the building, a judge might reverse the eviction if the tenant agrees to pay for all repairs immediately and the eviction would cause a massive, disproportionate loss of local jobs.

Can I just keep their security deposit?

Yes, if your commercial lease explicitly defines the deposit as a “security deposit” (unlike residential leases, which only allow Last Month’s Rent). You can generally apply these funds toward the cost of repairing the unauthorized exterior alterations.

What if the tenant claims the city ordered the changes?

If a municipality issues a by-law work order, the tenant still generally needs to notify the landlord so the landlord can manage the repairs. A tenant cannot unilaterally make structural changes and claim it was a municipal emergency without hard proof from a city inspector.

Do I have to use a bailiff to change the locks?

While the law technically allows a landlord to change the locks themselves (self-help), it is highly advised against. Using a licensed commercial bailiff shields you from accusations of theft of the tenant’s inventory or breaching the peace during the lockout.

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