>2) High integrity earthing, required to >comply with section 607 of BS 7671

How high is high ?
One break is relatively OK, you have a reduced capacity fault circuit, two breaks amd who knows ? (been there been very scared)
It's about time we had self diagnostic outlets - RCD outlets do it !

What price an LED

Testing is too much like an MOT - only valid on the day it's done.

Chris