Get a good solicitor mate, and he/she may be able to get you a bigger fine and not a ban?
There is this as well:
If you get one of the dreaded speeding tickets sent through the post to you asking for the drivers details etc then the following link should be read and used.
To date no-one who has used this has been prosecuted and several cases have been dropped.
http://www.pepipoo.com/NewForums2/viewtopic.php?t=2846
From:
http://bbs.rsownersclub.co.uk/showthread.php?t=70285
HTH