there are a few ip switchers available,unfortunatly i aint tried any of them so i cant say if they work or not

http://www.download.com/IP-Switcher/...-10565163.html


http://www.pcnet-online.com/download...tcherbasic.htm



http://www.snapfiles.com/get/eipswitcher.html


all seem to give the option of changing your ip addy so all he will need then is a uk ip addy i would assume