1143. Ground 3: deterioration in condition of premises.

The court may, provided that it considers it reasonable to do so1, make an order2 for the possession of a dwelling house3 let under a secure tenancy4, where the condition of the dwelling house, or of any of the common parts5, has deteriorated owing to acts of waste by, or the neglect or default of, the tenant or a person residing in the dwelling house and, in the case of an act of waste by, or the neglect or default of, a person lodging with the tenant or a subtenant of his, the tenant has not taken such steps