GOV.UK
Compensation: displaced tenants: grounds for refusal to grant new tenancy
A landlord can only refuse to grant a new tenancy on one, or more, of the following grounds.
i) If the tenant has been in serious breach of one of the terms of the tenancy, for example by failing to pay the rent on time.
ii) If the landlord is prepared to offer a tenancy of suitable alternative accommodation.
iii) If the tenancy is under a sub-lease of part only of a building and the landlord wants to let or sell the building as a whole.
iv) If the landlord wants to demolish or reconstruct the property.
v) If the landlord wants to occupy the property.