Hi JoeBowker,
Thank you for reaching out to us in our community and welcome, sorry to hear you aren't seeing your expected speeds, our community is here to help, were you able to to check your speed Via Sam Knows Real speed as advised by carl?
When you are running test what device are you using, does it have a gigabit network card, are you using a Cat 6 or above cable.
Please try all the above and let us know how you get on.
Regards
Paul.