nick smith wrote:
Isn't what he really needs a fully certified, qualified, authorised, Building
Control approved, hard to find in a short time, compliant with Part P
electrician, or is this job exempt ?

I believe it's exempt: outside sockets aren't a Special Situation,
though a shed, garrij, bathroom, and kitchen are, and he's adding
sockets to an existing circuit rather'n running a new one.

What, you expected common sense from Part P? Logic? A consistent
evaluation of risk? Puh-leaze!