But of course....
http://www.ais.org.uk/uk_aip/pdf/aic/4W046.pdf
(OK, it's not on the CAA website, but the CAA link to it...
)
It's a .pdf, so you need Adobe's Acrobat Reader....
The best place to start looking for information is:
http://www.caa.co.uk/srg/licensing/fcl/document.asp