New customer, slow speeds, sync speeds doesn't match actual speeds test

[#1]

Very slow speeds doesn't match what minimum has been promised , actual speeds test  doesn't match  Sync speeds , testing via. Ethernet cable (images attached)

Actual speed tests are very variable  :-  from 9 Mbps- 35 Mbps

Sync speed - 56.48 Mbps

I am on static IP 

Broad band service details 

Your broadband service

• Product: Unlimited Fibre Extra
• Estimated Download Range: 60 - 72Mbps
• Estimated Upload Range: 17 - 18Mbps
• Minimum Guaranteed Speed: 54.6Mbps
• Current Line Speed (Download): 54.8Mbps

[#2]

Hi there @sks

Together with our network partners at Openreach we will try to provide you with the best speeds possible. If you feel this is not the case, please raise your speed fault online at faults.plus.net