It's very unlikely at present as not everyone that can receive an ADSL service can also get fibre. I imagine as the extent of VDSL or other higher speed services increases that would change over time.
Re: When will PlusNet migrate from ADSL?
I've seen various reports that BT will stop sales of ADSL services. Are there plans for PlusNet to migrate existing ADSL customers to VDSL or other faster services?
My reading is that BT will supply and upgrade existing ADSL customers to 40/10 FTTC if available, else it will still supply ADSL to both existing and new customers.