Mike Turner wrote: I notice that, in all but one example, you seem to be using the BT speed tester. I, too, noticed an apparent halving in the reported upload speed, after BT updated there tester, recently. However, if I use other speed testers, such as http://www.thinkbroadband.com/speedtest.html or http://www.speedtest.net/ I get excellent results.
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niggly54 wrote: That's a good point Mike. I too have noticed some variation in the results from the BT tester. Speedtest.net seems to give the most consistent results. There are still however, a lot of errors occurring on the upload side with the Draytek, which may explain it's poor performance. One other thought- what is your MTU set to in the internet set up?

EDIT: Just found this on the BT Care Forum-
Problem solved,it was the QoS settings in my DrayTek 2750n,I had not set an upload port setting properly and was getting a conflict on one of my Gb LAN ports,which was stopping the WAN port on upload getting above 5000kbps approx.