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ONTARIO HOME INTEL · RENTAL TOOL

Ontario Rent Increase Calculator

Estimate a guideline rent increase for a rent-controlled Ontario unit and calculate the earliest date an increase may take effect based on the 12-month and 90-day notice rules.

Ontario rental apartment building for landlord and tenant information
Photo by Jason Grant on Unsplash

Ontario Rent Increase Rules Used by This Calculator

  • 2026 guideline: 2.1% for most rent-controlled units.
  • 2027 guideline: 1.9% for most rent-controlled units.
  • In most cases, at least 12 months must pass since the tenancy began or the last lawful rent increase.
  • A landlord generally must give at least 90 days’ written notice using the proper LTB form.
  • Certain units first occupied for residential purposes after November 15, 2018 may be exempt from the annual guideline.

Read our Ontario Rent Increases & Rent Control guide or visit the Government of Ontario rent-increase page.

Important: This calculator is for general information only and does not determine whether a unit is rent controlled or whether a proposed increase is lawful. Verify the current rules and proper form before serving notice.