My apologies that you are experiencing slow broadband speeds. I know how frustrating this can be.
I've taken a look at your connection and there is a high peak time traffic fault in your area which is causing slow speeds. Our networks team are investigating the problem and are improving bandwidth and performance to help with this issue. The reference number is F004488084 and has a review date of 29th March 2017.
Do you notice these speeds at all times of the day? Are you testing through a wired or wireless connection?