3E+WWhere possession of a dwelling-house is sought on ground 9 (overcrowding such as to render occupier guilty of offence), other accommodation may be reasonably suitable to the needs of the tenant and his family notwithstanding that the permitted number of persons for that accommodation, as defined in section 326(3) (overcrowding: the space standard), is less than the number of persons living in the dwelling-house of which possession is sought.