Would you be able to try some download/upload test to show how it performs?
Things like bittorrent, download in chrome/ie/ff etc.
Thanks
TalkTalk 80Mb
Current Line Stats
Attainable Rate: DL: 91984 UL: 32937
Connection Speed: DL: 79987 Kbps UL: 19999 Kbps
SNR: DL: 9.6 UL: 15.4
Attenuation: DL: 15 UL: 0