The 600mm. only applies to internal meters - and even that doesn't make sense when the rest of the regulation is read..in order for the cable to reach the 600mm first T from the stop cock it needs to be lengthened. It never complied with that rule.
Nowhere are stopcocks mentioned in the regulations.
Main bonding is applied "where practicable at the point of entry" to the premises.
Kitchen sink not necessary. Bath not necessary as long as the pipes are IF required.The kitchen sink and the bath were bonded, and I want to make sure it remains the same.