I finally sorted it, it was due to a second ethernet card been installed, as soon as i
removed the card and just used the onboard ethernet the speeds returned to what they should
If other network services are fast, it is better to use another mirror for upgrading...
Thank You BonoEstente, I'll try the German ones now.
(Its defiantly not the Broadband provider as other machines on the network are getting full
speeds to various other sites)
I actually find the German mirrors are fastest from the UK, along the lines of:http://de.archive.ubuntu.com/ubuntu/
I'd be more suspicious of your broadband provider at this time of night but of course it
could be a number of things slowing down the updates.
Maybe trying .de update mirrors might help.