Part P only applies to domestic premises, so your 'electrician' could escape the registration route/building control certification. If the 'chippie' also has accomodation and the circuit could be interpreted as part domestic, he's only wired one circuit,(albeit at 32A!!), and therefore again Part P doesn't apply! Since the consensus here is that at least 2 circuits are required, all you need do is ask your local Building Control Officer to make a site visit. I'm pretty sure if you also mention the words Income Tax Inspector near your so-called 'electrician', he will turn into a magician and vanish into thin air!
Alan
