Got a rent increase notice, or expecting one? This rent increase calculator shows the most your rent can go up under Ontario’s guideline. Guideline checked October 3, 2026.
The rules behind the number
- The guideline is 2.1% for 2026 and 1.9% for 2027.
- Rent can go up only if at least 12 months have passed since the last increase, or since the tenancy began.
- The landlord must give written notice at least 90 days ahead, on the proper Landlord and Tenant Board form.
- The guideline does not cover new buildings, additions and most new basement apartments first occupied for residential purposes after November 15, 2018 (the date anyone first lived in the unit, not the date you moved in).
- To go above the guideline, a landlord needs approval from the Landlord and Tenant Board.
The full explanation: rent increase rules in Ontario. Also for renters: rent deposits and ending a tenancy.
More tools: all calculators. Guides: first-time buyer guide.
Sources (official pages, checked October 3, 2026)
- Ontario – Residential rent increases (2026 guideline 2.1%)
- Ontario – Renting in Ontario: your rights (2027 guideline 1.9%)
- Landlord and Tenant Board – A Guide to the Residential Tenancies Act (brochure, December 2020)
Programs and limits change, often at budget time. Confirm the current rules on the official page before you rely on them.
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General information only – not financial, legal or mortgage advice. Please consult a licensed professional about your own situation.