Back tracking a bit here, but I believe it is possible to get a UK issued JAR license using cloak and dagger means too.
You initially apply to tha CAA, then take your exams in, for example, Switzerland, (a full B1 course was at the time just seven weeks, including exams, and I didn't hear of anybody failing!)
You then submit your pass certificates to the CAA, who are of course obliged to accept them, and voila, you have a UK issued license.
I worked in Switzerland, and my licensed collegues included an ex bus driver, an ex cleaner, an ex school teacher,and even one guy who's previous job was, I'm led to believe, flipping burgers at Mc Donalds.
So, even with the UK issued licenses, all that glitters is not neccessarily gold.
Tchuss