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Landlord and Tenant Board

Rent Increase Calculator

For a sitting tenant in Ontario: the earliest date the rent can go up, the most it can go up under the guideline, and the last day to give the 90 days’ written notice.

The guideline is 1.9% for 2027 and 2.1% for 2026It is the largest increase most landlords can give a sitting tenant in a year without the Board’s approval. It is capped at 2.5% (s. 120(2)).
If the rent has never gone up, the date the tenant moved in (the first day of the tenancy).
New buildings, additions and most new basement units first occupied for residential purposes after November 15, 2018 are exempt from the guideline (s. 6.1). The LTB can tell you whether a unit is exempt.
Leave it empty to use the earliest date allowed.
The increase

Enter the rent and the date of the last increase.

Good to know
  • The guideline is the largest increase most landlords can give a sitting tenant in a year without the Board's approval. It is based on the Ontario Consumer Price Index and capped at 2.5% (s. 120(2)).
  • It doesn't apply to the rent a new tenant agrees to when a unit is re-rented, or to community housing, long-term care homes and commercial properties.
  • Going above the guideline needs the Board's approval (Form L5) or certain agreements with the tenant, such as Form N10 (s. 120(1)).
  • A rent increase that isn't challenged within one year after it was first charged is treated as lawful (s. 136(2)), so a tenant who thinks an increase was wrong should act within the year.
  • The 2021 guideline was 0% because of the rent freeze.
Every guideline since 1991
20271.9%
20262.1%
20252.5%
20242.5%
20232.5%
20221.2%
20210.0%
20202.2%
20191.8%
20181.8%
20171.5%
20162.0%
20151.6%
20140.8%
20132.5%
20123.1%
20110.7%
20102.1%
20091.8%
20081.4%
20072.6%
20062.1%
20051.5%
20042.9%
20032.9%
20023.9%
20012.9%
20002.6%
19993.0%
19983.0%
19972.8%
19962.8%
19952.9%
19943.2%
19934.9%
19926.0%
19915.4%
Official sources · checked November 3, 2026

The province's guideline page was last updated June 23, 2026. The worked example on that page ($1,000 to $1,019 on June 1, 2027) is one of this calculator's checks.

Estimates only, from the details you enter. This is general information about rent increases under the Residential Tenancies Act, not legal advice. The rules differ for social housing, care homes and units with an order prohibiting a rent increase.

General information only, not legal advice. Read our online tools policy

More free tools
Law Society of Ontario — Barreau de l'Ontario
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