OP
Ponty Massive
The problem is and you know, there is really no such thing as no way to do something, there is always a way, just maybe be difficult or cause problems, unfortunately the regs don't take into account that the customer or you don't want a 10mm^ cable clipped surface all over the place.
Your right, there is always a way, just costs more to put the house right when your complete, than the original job.
Thank you everyone for your help and advise. This forum is a wealth of knowledge. I've learn more from this site than a 4 year apprenticeship!!