Question: what to do if a tenant refuses to leave?
Answer: The LA rehousing problem. If for example the tenant wants to be re-housed by the Local Authority, he will be advised to stay put until the landlord gets an order for possession. ... 
Talk to your tenants. ... 
If no notice has been served. ... 
Don't sign up new tenants. ... 
Issue proceedings for possession. ... 
And finally.