This is not a good story, it seems v. opaque and I think they’re between regulatory regims, which means the subsidy is gone.
These people are making some noise,
http://www.callflowsolutions.com/about-call-flow/about-us.html
Most seem to be uninterested in serving small dispersed rural communities.
Openreach own the local loop,
https://www.homeandwork.openreach.co.uk/when-can-i-get-fibre.aspx
It seems that the cabinet is now fibre enabled and they’re conducting trials