773. Conditions to be satisfied; in general.

Provided that it considers it reasonable1 to do so, the court has power to make an order for possession if it is satisfied that suitable alternative accommodation is available2 for the tenant, or will be available for him when the order takes effect3.

A certificate of the local housing authority4 for the district5 in which the dwelling house in question is situated, certifying that the authority will provide suitable alternative accommodation for the tenant by a date specified in the certificate is conclusive evidence that such accommodation will be available for him on that date6. Where no such certificate is