It is recommended for the landlord to give 30 days’ notice to vacate, so the tenant has a reasonable amount of time to find something else. This is best done in the form of a letter (written notice) so the landlord has a copy as well.  For more information on how to deal with your tenant, please have a look at our Sharing Kitchen and/or Bathroom RTA Fact Sheet which can be found at: https://landlordselfhelp.com/media/RTA-Sharing-bathroom-kitchen-REV2021.pdf.