Ontario rent increase

Check whether a rent increase is allowed, the most it can be, and the earliest date it can take effect.

Your details

Current monthly rent ($)

Planned new monthly rent ($)

Date of the last increase (or the tenancy start)

Date you serve the notice

How you serve it

The unit was first occupied as a residence after 15 November 2018

For the N1 (optional)

Tenant name

Landlord name

Rental unit address

Your answer

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Rules and sources

Rules as of 2026-11-06

Residential Tenancies Act, 2006: at least 12 months since the last increase (s. 119); 90 days' written notice on Form N1 (s. 116); mailed notice counts as given on the fifth day (s. 191(3)); the guideline applies to the year the increase takes effect (s. 120) and not to units first occupied as a residence after 15 November 2018 (s. 6.1).

A landlord can ask the Landlord and Tenant Board for an increase above the guideline. This tool does not cover that. Landlord and Tenant Board

This is general information, not legal or tax advice. For your situation, check with the Landlord and Tenant Board.