In the Ontario rental market, maintaining the physical condition of a property is a core component of a healthy tenancy. When disagreements arise over property standards, repairs, or general maintenance, the Landlord and Tenant Board (LTB) provides a structured legal framework to resolve them.
At the center of maintenance-related disputes is the T6 Form: Tenant Application about Maintenance. Whether you own a rental property or lease one, understanding exactly how the T6 form works, what it requires, and its potential outcomes is essential for navigating residential tenancies in Ontario.
When is a T6 Form Needed?
A T6 form is required when there is a breakdown in the standard maintenance process that cannot be resolved through regular communication. It is not the first step in a dispute; rather, it is a formal legal application utilized when a landlord has failed to meet their statutory maintenance obligations under the Residential Tenancies Act (RTA).
The application serves two distinct purposes depending on the timing of the dispute—addressing active, unresolved problems or seeking retroactive remedies for past issues.
1. Before Issues are Fixed (Ongoing Maintenance Problems)
When a maintenance issue is active and ongoing, a T6 form is needed to compel action. If a landlord has been notified of a problem but has failed to address it, delayed repairs unreasonably, or completed the work poorly, the application is filed to seek an official LTB order forcing completion. In these scenarios, the primary goal is often a Work Order to get the property back into a proper state of repair, alongside financial remedies for the duration of the unresolved issue.
2. After Issues are Fixed (Past Maintenance Problems)
A T6 form is also commonly used after the maintenance issues have already been resolved. Even if a landlord eventually fixes the problem, a T6 may be necessary if the delay caused financial loss or prolonged discomfort. In this context, the application is used to seek retroactive remedies, such as:
- Rent Abatement: A partial refund of the rent paid during the time the unit was in disrepair.
- Out-of-Pocket Expenses: Reimbursement for costs incurred because of the breakdown (e.g., purchasing a temporary space heater or paying a professional cleaner to deal with flood aftermath).
The One-Year Limitation Rule: If the maintenance issue has been successfully resolved, there is a strict timeline to file. The T6 application must be submitted within one year of the date the problem was fixed. If the application is filed past this 12-month window, the LTB will generally not hear the case.
Common Issues Covered by a T6
Under Ontario law, a landlord is responsible for providing and maintaining a residential complex in a good state of repair, fit for habitation, and in compliance with health, safety, housing, and maintenance standards (including local municipal property standards bylaws).
The T6 form covers a wide array of interior and exterior deficiencies, including:
- Structural and Exterior Disrepair: Leaking roofs, broken windows, cracked foundations, or unsafe stairs.
- System Failures: Faulty plumbing, electrical issues, or broken heating and ventilation systems.
- Appliance Malfunctions: Broken refrigerators, stoves, or washers/dryers that were provided as part of the lease agreement.
- Health and Safety Hazards: Persistent mold, pest infestations (such as rodents, bedbugs, or cockroaches), or broken secure entry locks.
- Common Area Maintenance: Neglected hallways, broken elevators, or unploughed parking lots.
Key Rules and Requirements
To ensure fairness, the LTB enforces strict procedural rules regarding communication and financial obligations during a T6 dispute.
The Requirement for Prior Notice
An LTB member will rarely grant a remedy unless there is proof that the landlord was informed of the issue first. The person filing the application must demonstrate that the landlord was notified of the maintenance problem in writing (via email, text message, or a formal maintenance request) and was given a reasonable amount of time to address it before the application was submitted.
Important Legal Standard: A tenant cannot legally withhold rent because of outstanding repairs or maintenance issues. Doing so is grounds for a landlord to issue an eviction notice for non-payment of rent. Rent must always be paid in full and on time while awaiting a T6 hearing.
What Happens at an LTB Hearing?
Once a T6 form is filed and the administrative fee is paid, the LTB schedules a hearing. Both parties are given a Notice of Hearing and a strict deadline to upload their evidence to the Tribunals Ontario Portal.
The Role of Evidence
The outcome of a T6 hearing relies heavily on objective documentation. An adjudicator expects to see:
- Clear, dated photographs or video footage of the maintenance issues.
- Copies of all written communication regarding the repairs.
- Independent assessments, such as reports from local municipal by-law officers, electrical inspectors, or public health units.
- Financial documentation, including receipts, quotes, or invoices for out-of-pocket expenses.
Potential Remedies and Outcomes
If the LTB determines that a maintenance violation has occurred, the adjudicator has the authority to order a variety of remedies. The remedies requested on the T6 form can include:
- Work Orders: A binding directive forcing specific repairs or replacements to be completed by a strict deadline.
- Rent Abatements: A financial order requiring the landlord to pay back a percentage of the rent for the period during which the unit was in disrepair.
- Financial Compensation: Reimbursement for out-of-pocket expenses incurred due to the disrepair or compensation for property damaged by the landlord’s neglect.
- Paying Rent into the LTB: An order allowing future rent payments to be paid directly to the Board “in trust” until the required repairs are completed.
- Prohibition of Rent Increases: A freeze preventing any planned or guidelines-based rent increases until outstanding maintenance issues are fully resolved.
- Termination of Tenancy: An order legally ending the lease early without penalty.
Summary for Both Parties
For a rental ecosystem to function smoothly, clear communication is paramount. Addressing repair requests in writing with specific details and clear timelines minimizes ambiguity. When local property standards are maintained and communication remains transparent, the need to utilize formal channels like the LTB T6 application is often avoided entirely.




