Are the neighbours connected to the same cabinet as you or has it just run out of space.
we had an issue in our old property where neighbours could get fibre and we couldn't, turned out we were connected to a cabinet which was much further away.
enter your phone number and post results remember to delete number https://www.btwholesale.com/includes/adsl/main.html
as cab is full and waiting list you just have to wait until openreach increase capacity was and date in the notes when that might happen
you can write to openreach and enquire https://www.formwize.com/run/survey3.cfm?id=7214&embed
if you get auto response then send form again until you get reply from an actual person