The NBN12 plan that you are on has a maximum of 12Mbps downstream and 1Mbps upstream. The speeds you are getting are spot on for your plan.
If you are needing faster uploads you should look at upgrading your plan. See details below how to upgrade via My Account.
Hi @andymorse80 ,
Welcome to the community,
I can see in our system that your plan in NBN 12, and you are getting right speed from both upload and download from our system, if you still have issue, pls private message me.