@Keith_Beddoe thanks for the suggestion. Sadly there is no pricing info in the track my orders section
@zulu17 Your solution works. Brilliant.
This is the URL which shows the current package information:
If you have access to her MyBT online billing you can access the last 15 months bills so you would not need to wait for the next bill.
I may be wrong with this but I think you could also set your self up as an account manager which would allow you to help with the account and speak to BT about it.