Ah i thought so, looks like it will be down to luck then, have you heard of many homes getting fibre since BT started these doing this or is it mostly for businesses?
Have you looked at this document http://www.google.com/fusiontables/DataSource?snapid=S193599b0Lx? I'm not sure how accurate it is now given the recent updates, but I'm led to believe it was correct as of April this year.