Buffering issues with Home-Connect

Ever since I received Fibre, I have always experienced buffering problems when streaming movies, news or documentaries, any time during the day or night. I even upgraded from 10/10 to 20/20 thinking that the speed was too slow, but the experience is still the same. I have reported the buffering numerous times but it goes on deaf ears. Just for the record, it has been reported again today. I have taken my device to my surrounding neighbors to prove that it is not my top box, because I do not experience any buffering with their other ISP's. Two months ago, I reported it to a passing rep from Evotel called Ian, that was canvasing in the area, but nothing has happened since. I often do a speed test and I have proof that I am being throttled, with much lower speeds than what I am paying for. My account number is FROD001. Please investigate because it seems as if the social media is the only way to get a proper resolution these days.