A recent change to Sky fibre has turned into a bit of a nightmare. I moved my mum over a couple of weeks ago. I've been monitoring the connection and it's appalling. I believe there is peak time congestion at the exchange.
There seems to be a lot of feedback on the Sky forums regarding congestion.
I'm interested to hear from anyone else on the same exchange (Kenton) - http://www.samknows.com/broadband/exchange/NEK or other exchanges who believe they're seeing peak time congestion.
I've had SmokePing running on my mums connection, results here https://www.dropbox.com/sh/mlk2o2fb125ip84/wVCkRUKwNl - I'd like to SmokePing connections of others who think they're having congestion too - will be useful in my fight with Sky.