Ground 3E+W
The condition of the dwelling-house or of any of the common parts 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 sub-tenant of his, the tenant has not taken such steps as he ought reasonably to have taken for the removal of the lodger or sub-tenant.