lease basics
Can I sublet my apartment without telling my landlord?
No, in every province. You must give the landlord written notice and they have to respond — but they cannot refuse unreasonably. ON: 7-day response window, refusal must be in writing with reasons. BC: similar consent-not-unreasonably-withheld rule. AB: depends on lease terms but consent still required.
What your landlord didn’t say
Sublet refusals are often unenforceable. "I just don't want subletters" is not a reasonable ground in any provincial RTA. Document your written request, the landlord's response (or 14-day silence = deemed consent in some provinces), and proceed. If they evict over a properly-noticed sublet, you have a strong tribunal case.
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PropTrust is a Canadian property data platform. We are not a lender, broker, real estate agent, landlord, or paid advisor. This is information about how the rules work — not advice on your specific situation. For that, talk to a licensed professional.