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Check a rent increase against Ontario's rules — the 2026 guideline, the 90-day notice, the once-a-year limit — and who helps for free if it breaks them.
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The guideline is set each year from inflation — it is 2.1% for 2026, down from 2.5% in 2025. It caps homes covered by rent control (first lived in on or before 15 November 2018). A landlord can apply to the Landlord and Tenant Board for an above-guideline increase in limited cases (major repairs, big utility-cost jumps).
In the law: Residential Tenancies Act, 2006
Rent in Greater Sudbury has climbed fast — the average is around $1,873 a month, up 5.7% in a year, with a 1.6% vacancy rate that leaves tenants little room to move. The rules on how much your rent can go up, and how much notice you must get, are set by Ontario. This checks an increase against those rules and does the arithmetic for you.
The one that catches people: rent control only caps homes first lived in on or before 15 November 2018. Most newer buildings, additions and many newer basement apartments are exempt, so there's no limit on the amount — only on the notice and timing. The checker asks which applies to you.
Your landlord must give at least 90 days' written notice on the official form (the N1), and can only raise the rent once every 12 months. (The check below counts the 90 days as three months.)
Fill in the dates from your notice. Nothing you type is saved or sent anywhere — it stays on your device.
The day your higher rent is meant to begin.
When the landlord told you in writing.
Or the day you moved in, if it has never changed.
Optional — only needed to work out the percentage.
Enter your dates above to check them against the rules.
If a landlord breaks these rules
These rules cover most private rentals. Outside them: a new tenant's starting rent (a landlord can ask any amount before you move in — the cap only limits increases during a tenancy), community/social housing, long-term care and retirement homes with care, and units that are exempt by their build date as above. If you're unsure which bucket you're in, the free help below can tell you.
Source: Government of Ontario / Landlord and Tenant Board, checked July 2, 2026 (last month).
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