call teh automated service line (0800 561 0061) - it will give you more local (down to postcode level) information about any service issues.
set up a BQM and, using the Sharing Link, post a copy of the Live Graph back to this thread.
browse to your hub on http://192.168.0.1 - don't log in, click Router Status - copy/paste the tables from the Upstream, Downstream and Network Log tabs back to this thread, you'll need one post per tab.
Sorry to hear about the issues with your service
I am more than happy to take a look at this for you and arrange an engineer if needed
I will need to send you a private message to pass security
If you can check the purple envelope top right of your screen that would be great