How much notice the Landlord must give
This depends on the type of tenancy agreement and the grounds for termination (if any) – see table below. A fixed-term agreement is for a specified period (e.g. 6 months). A periodic agreement is one where the fixed-term has expired or no fixed term is specified. If a termination notice is posted to you, an extra 4 working days must be allowed for delivery.
Immediate notice if premises unusable: You can give immediate notice if the premises are destroyed, become wholly or partly unusable (other than due to a breach of the tenancy agreement), cease to be lawfully usable as a residence or are appropriated by a compulsory process.