Lily, they always reply to me (or did, I haven't used them for a while). How long ago did you email them?
As for NHS treatment, each CCG is different, however I know Wales treats single women. As for referrals, I was simply asked how I met the criteria (I think it's 12 unmedicated cycles here) and I simply said at home with a donor, mentioned charting and OPKs and everything else.