sdys15453
there is housing benefit caselaw that allows a Local Authority to treat uni students as occupiers for HB size criteria on their parents' HB award
so as long as kids come back home in their holidays, you may be able to avoid the bedroom cap, assuming your house is 2 or 3 bedroom
http://www.administrativeappeals.tribunals.gov.uk/aspx/view.aspx?id=2953
children who spend a lot of time in hospital are also still treated as members of household, so should not be affected, as long as child is not permanently in hospital