Sorry to read you are experiencing slow broadband speeds.
From checking your connection, 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 F005018743 and has a review date of 3rd January.
Do you notice these speeds at all times of the day or just peak hours?
Are you testing through a wired or wireless connection?