Meterbox Lock can lock your meterbox with our water seals, windows and approved locks. We go from Yanchep to Rockingham and leave your keys and invoice in the letterbox if your out and you can pay online when you want . We charge $215 to lock 1x meterbox or $385 to lock BOTH gas and elec at once. Book from my site at meterboxlock.com.au or call me.