Thanks for posting and a warm welcome to the community.
Sorry to read that you are having issues with your broadband speeds.
Looking at 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 F004232138 and has a review date of 1st March 2017.
As this will have an impact on your broadband during peak hours, do you notice these speeds during the daytime?