Ontario Rent Increase Guideline

Rent & Deposits Ontario 4 min read · published June 20, 2026 Flag of Ontario

Rent increases can be confusing and stressful for renters. This guide explains how rent increases work in Ontario, who is protected, and when landlords can raise the rent. You’ll learn about legal limits, required notice periods, exemptions such as new construction or vacant unit rules, and special processes for above-guideline increases. It also covers what to do if you receive a rent increase notice, how to check that the notice meets legal requirements, and where to find official forms and help. The advice is written for tenants and renters in plain language so you can act quickly and preserve your rights.

What the law says in Ontario

Ontario residential tenancies are governed by the Residential Tenancies Act, 2006, which sets rules on how and when rent can be increased. The Landlord and Tenant Board (LTB) enforces those rules and hears disputes between landlords and tenants.[1] [2]

When landlords can raise rent

Key principles tenants should know about rent increases in Ontario include limits on frequency, notice requirements, and exemptions. Read any rent increase notice carefully and compare it to the law.

  • Landlords must give at least 90 days' written notice before the increase takes effect.
  • Rent can generally be increased no more than once every 12 months for the same tenancy.
  • Some units or situations are exempt from guideline limits (for example, new units or specific renovations) and may require special applications.
  • Above-guideline increases require the landlord to apply to the LTB and show eligible costs or capital expenditures.
Keep the original written notice and a dated copy in a safe place.

How to read a rent increase notice

When you receive a written rent increase notice, check these items immediately:

  • Is the notice in writing and does it state the new amount and the date it takes effect?
  • Does the effective date give you at least 90 days' notice?
  • Has rent been increased within the last 12 months for your tenancy?
If any required detail is missing, the notice may not be valid under the Act.

If you think a rent increase is incorrect

If you believe the notice is invalid or the increase is unlawful, you can apply to the Landlord and Tenant Board to dispute the increase. Keep records of the notice, your lease, payment receipts, and any communication with the landlord. You may also be able to negotiate directly before applying to the Board.

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Practical steps tenants can take

  • Check timelines: note the date you received the notice and calculate the 90-day period.
  • Compare the notice to your lease to confirm whether the tenancy is fixed-term or month-to-month and whether special rules apply.
  • Contact the landlord to request clarification or documentation if the notice lacks details.
  • Gather evidence: save the notice, receipts, photographs, and any messages in case you need to apply to the LTB.
  • Consider affordability options: ask about phased increases or local assistance programs if you cannot afford the change.
Respond to notices promptly; missing a deadline can limit your options.

Above-guideline increases

When landlords seek increases above the guideline (for major repairs, renovations, or capital expenditures), they must usually apply to the LTB and justify the higher amount. Tenants have the right to notice and to appear at hearings to challenge the application or present evidence.

Tenant resources and related guides

For more background on rent increases and tenant rights, see the Ministry and Board resources below and this practical guide: Understanding Rent Increases: What Tenants Need to Know. For broader Ontario tenant and landlord rights information, see Tenant Rights and Landlord Rights in Ontario.

If you are looking for alternative rental options while you resolve a dispute or consider moving, Find rental homes across Canada on Houseme.

FAQ

How much notice must a landlord give before raising the rent?
Landlords must give at least 90 days' written notice before a rent increase takes effect in Ontario. [2]
Can a landlord increase rent during a fixed-term lease?
Generally no: rent cannot be increased during a fixed-term tenancy unless the lease specifically allows it and the tenant agrees. If the term ends and the tenancy continues month-to-month, different rules apply.
What can I do if I think the increase is illegal?
You can apply to the Landlord and Tenant Board to dispute the increase, bring evidence, and request a hearing. Keep all notices, receipts, and communications as evidence. [2]

How-To

  1. Read the rent increase notice carefully and note the effective date and the amount.
  2. Calculate timing: confirm you have at least 90 days' notice and that an increase was not already applied within the past 12 months.
  3. Contact your landlord to request clarification or written justification if the notice seems incomplete or incorrect.
  4. Gather supporting documents: lease copy, rent receipts, photos, and any messages about the increase.
  5. If necessary, apply to the Landlord and Tenant Board to dispute the increase and attend any scheduled hearing.

Key Takeaways

  • Always check that written notices include the amount and an effective date at least 90 days ahead.
  • Keep careful records of notices, payments, and communications to support any dispute.
  • The Landlord and Tenant Board is the official place to challenge unlawful increases.

Help and Support / Resources


  1. [1] Residential Tenancies Act, 2006 - Ontario e-Laws
  2. [2] Landlord and Tenant Board (LTB) - official site
  3. [3] Ontario government: Rent increase rules and guidance

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David Chen
David Chen

Tenant Law Analyst, Tenant Rights Canada

David specializes in Ontario residential tenancy law and Northern territories housing regulations. He has followed developments at the Landlord and Tenant Board closely for over eight years and writes extensively on LTB procedures, rent increases, and maintenance obligations.