I doubt it'll be EDF as they are an energy supplier not a DNO. But it could be UK Power Networks as EDF sold their DNO to them couple of years ago.
25/03/2011 - (EASTF
38.05Mb/s / 7.80Mb/s using OR Modem & Billion 7800N
Ex-O2 ADSL2+ Sync: 7624/1200
4km line | 47dB att | ~5.5dB SNR | 7800N
Edited by StarmanUK (Mon 04-Mar-13 10:49:00)