This is true, but there are a number of data errors in BT's own inventory, so you will need to take this with a pinch of salt. For instance, according to this (

This is true, but there are a number of data errors in BT's own inventory, so you will need to take this with a pinch of salt. For instance, according to this (and therefore in BT's internal systems as well) I am eligible for G.Fast -- I am not.