Things can change, but it isn't a fast process, and can result in bad news as well as good.
What exchange & cabinet?
Your local BDUK project will probably know more, but new-build areas have been left out of commercial plans due to a lack of up-to-date information that the plans are based on. Likewise, the phase 1 BDUK plans have been known to forget to label these areas as "NGA white", which prevents them getting subsidised.
It is important to make sure that, at the very least, the project knows about your area as they make plans for phase 2 - which is going on now.