"(2) If the court considers- (a) that the offender has acted at any time since the commencement in an anti social manner, that is to say in a manner that caused or was likely to cause harassment, alarm or distress to one or more persons, not of the same household as himself (our emphasis); and (b) that an order under this section is necessary to protect persons in any place in England and Wales from further anti social acts by him, it may make an order which prohibits the offender from doing anything described in the order."