Yup I don't usually have any problems with NTL, well no more than anyone else and am usually happy with the series but this looks like it may be a problem that won't go away any time soon.
I wouldn't mind a slight drop during peak times if they didn't keep going on about the great speeds and 10mb and trials of more when they can't get the services they do have right.
Will have to have a word with them tomorrow.
Just done another test now that people have put their plates down...
Certainly not good enough.