Owain wrote:
Incidentall, if the loft conversion is covered with a Building Regs
application, then the wiring can be put on that application and can then
be done by a DIYer in compliance with Part P, without any additional
inspection etc (other than that which is provided by the council
inclusive to the standard fee).

I think this depends on the Council. My local council, Medway will
charge you an additional £175 for any electrical installation approval
on top of their existing building control fees.

http://www.medway.gov.uk/index/envir...feessched3.htm