I understood that the uncategorised areas were "not yet decided" rather than "not planned, ever". But my neighbour is convinced the MP knows what is what. I tried to explain Openreach is a private company owned by BT Plc shareholders and their business decisions are nothing to do with parliament.
The openreach page even says:
It doesn't show everywhere that we'll build to reach 25 million premises by December 2026 - we'll be adding more locations over time
The areas announced so far fall many, many millions of homes short of the current target of 25 million.
There will be millions more homes added to the commercial rollout in the next couple years that will also be completed by 2026.