Don’t do anything call (phone get there name) NTL who instated it and get there authorisation be it by fax or in writing.
They may have a designated cc in your area, so if you call anyone to clean the carpet, be it an ncca member or not (this is no disparity to the ncca members) they may not pay up, re protection they wont pay for this, as it was not done in the first place.
Len