Anything on the local authorities highways website?
Failing that try openreach Twitter if your into that sort of thing or submit a question on the openreach contact form, but they may take a while to reply, if ever.
Absolutely brilliant once I discovered how to use the map to zoom into the area of interest and selecting an appropriate period of time. The pop up panels go into a lot of detail but in my case it is not clear if it is the start of bringing fibre generally into the area or a one off FTTP service to just one property.