[stevenwilkin]

Here's a relatively recent post from the LRUG mailing list with a bunch of jobs in it:

https://gist.github.com/stevenwilkin/76cdb6a1680c18192c2d

Another from the same guy from a while back outlining the market in general:

https://gist.github.com/stevenwilkin/ad97636243757b03c25b

Average rate has been around £400/day the last year or so though if you can tell your ass from your elbow it's not difficult to charge more.