Following on from this, it appears that the BT Broadband Availability Checker has been updated;
For Telephone Number 0208446???? on Exchange NORTH FINCHLEY
Your cabinet is planned to have WBC FTTC by 31st December 2011. Our test also indicates that your line currently supports a fibre technology with an estimated WBC FTTC Broadband where consumers have received downstream line speed of 33.4Mbps and upstream line speed of 12.3Mbps.