@ltbrenton
You will still (probably) be on the old ADSL profile. Phone them (if wait not too long) or raise a question - alternatively, if you start a new thread here tomorrow, stating you need your profile fixing after fibre upgrade, the DCT are normally pretty quick to act on that weekdays. To confirm, have a look here and see what it says:
https://portal.plus.net/my.html?action=data_transfer_speedI'm being upgraded tomorrow, and am going to ask for someone to be ready to upgrade it