For interest, does a Smart Gas Meter have a flashing LED like on my Elec meter where 1000 flases is 1.0kWh which can be handy for working out instantaneous power usage, if it (gas meter) does have this flashing LED, how many flases/m3?
My bi monthly bill just shows the usage for the previous period but not a meter reading which I find a bit strange, I do write it down at the end of each period, the supplier posts a daily rolling spreadsheet with 48X 1/2hr readings which is easy enough to summate and compare the usage to the difference in my meter readings, its allways spot on but if any dispute arises then because no record of recorded meter readings (at my end anyway), harder to resolve.