Since you share the kitchen facilities with the tenant, you are not governed by the Residential Tenancies Act provisions on these issues. Common law would apply or usually you would follow whatever has been stated in the rental agreement. Landlords can incorporate their own rules in their agreements. If there is no rental agreement, then you would simply use your own discretion. Typically, owners in this situation can give 30 days’ notice to end the tenancy if the agreement is monthly or one week notice if the agreement is weekly. You can also refer to our Fact Sheet on Sharing kitchen and/or Bathroom for further information, here is the link https://landlordselfhelp.com/media/Sharing-bathroom-kitchen.pdf.