Cargb Uk Reviews – Read More About It! The free vehicle history check site, cargb.uk, is untrustworthy. The site is a replica of freecarcheck.co.uk. Should you put in a bogus or invalid registration plate on cargb.uk, then the web site will yield results blurred out and ask you to cover #0.95 to view it. If you put in the same imitation or invalid registration plate on freecarcheck.co.uk, that site will inform you that the plate is invalid and won’t display any bogus consequences.