I think that iam getting a similar issue in Torquay iam having awful issues watching video from various sources sadly I have had to resort to using a vpn get watch anything,iam also having speed issues on various speed test servers this happens between 6-11 pm every day.According to Virgin Media there is no issue i guess i must be imagining it ive included my latest thinkbroadband graph below the packet loss between 12-2 was a failed software update
My Broadband Ping