Originally Posted by xenon
No he doesn't need to anything other than caution you and say that "you will be reported for the consideration of prosecution for exceeding the speed limit" blah blah.
I'm afraid you have a nervous wait now
The above is correct. Just wait and see what happens.
As for the ban question, a ban would almost certainly be looked at being twice the posted limit.
My only advice to you is this...
Don't talk about the ins & outs of this on a forum like this for now, just until its over. Also if the summons arrives, get a GOOD solicitor if you are gonna contest it.
Good luck mate.