Okay thanks for the advice - I did challenge it at the time   I have made several applications via the different channels - as the parameters changed   - first it was the SHA and then someone else - I've been passed from pillar to post   - it did go to appeal where the charge was reduced slightly but they wouldn't go to full NHS CC.   I will have to be brave and get out all the paperwork from the attic and make a fresh appeal.   I sent one in before the last deadlin