<p>This article describes a range of group work interventions undertaken by the Portsmouth Community Nursing Team and addresses questions of both clinical and cost effectiveness in relation to group work. The team was already aware that people with learning disabilities could benefit from therapeutic group work (Allen 1996, O’Neill 1999). In addition, there was a feeling that working with clients in groups might also be a cost effective use of staff time. The impetus to examine cost effectiveness was created by a waiting list for individual work which, for some people, meant that they might wait for months to be seen.</p>