LLETSA, I think consistent community work is very important, but also have some very strong differences of politics with the IWCA - at least with various bits of their published literature and Joe Reilly who used to post here and started an even worse thread on anarchism than this one believe it or not, Louis Macneice, the only remaining poster who admits to be involved with the IWCA (someone correct me if I'm wrong) seems very reasonable though.
My main concern, is that by mainly focusing on council housing, they appear to define class by (loosely) consumption of housing, limiting their constituency (and in terms of the IWCA proper I think it is seen very much as a constituency) to a small subsection of the working class. Not that I don't think social housing is important, and it's definitely a potential way to politicise people, but it's not even the worst form of housing IMO (private bedsit accommodation gets my vote, at least on a cost/quality ratio), but people who live in bedsits are less easy to locate (fair enough), and don't make up an electoral block (not fair enough). Most of what HI's doing at the moment is council housing related as well, which I know from experience is as much to do with limited resources as anything else, so perhaps that's why, and it's difficult to tell unless it develops more.