Best answer by woz
Sorry to intervene here but I disagree with what's been written so far.The reading for the GAS should be entered in cubic metres NOT in kWh, the meter can't calculate kWh unless it presumes calorific value, and it's not that smart (even if it was at one stage and it won't be up to date now).
If the readings have been given in kWh this will need to be corrected - it's wrong.
It's highly unlikely that TOTO would agree a kwh reading for gas end reading unless they are stupid (although never say never)
This should be fairly easy to correct at this stage, you need to send a cubic metre reading to PP,and it can be worked back by calculation.
Also it seems very unlikely that after 8 months or so of having a new gas meter it's reading 4500 m^3 unless it didn't start at zero. It sounds like toto havent updated your meter on their system.
If you've had a final bill from Toto that should have your final reading in cubic metres on it
If not now is the time to try and correct it.
(Also Terry not sure if you know about the Priority Services Register (click on my account in the app and scroll to bottom), if you ever find it too much to read your meter you can go on the register and you won't need to read it! It sounds like you're managing fine at the moment.)