OP
d1scv
be carefull using an earth rod in conjunction with PME as a fault on the network resulting in a lost neutral near your property may result in all your bonded metalwork becoming live!!!!!!!!!!!!!
An earth spike [question] would only serve to reduce the possible effect of a lost neutral ?
One more thought, in all my years I got 2 belts, both from borrowed neutrals.
230AC. Both threw me BIG time- certainly did not grab me.