No idea, most cabinets were done commercially, but some are down for the Bucks & Herts BDUK project they are best place for further information in theory.
A lot depends on the level of overlap with Virgin Media in the cabinet area and the number of lines from the cabinet. P99 is one of the smallest cabinets on the exchange in terms of properties served it looks like.
This is native FTTP. I have no option for FTTC. The manifold is in a pavement chamber within 20m of my front door and the aggregation point in another pavement chamber within 100m. Despite this Openreach wanted to charge PlusNet over £3000 for excess construction partly because they originally cabled up our close with armoured cable rather than putting in ducts. I believe that I am the person Mr Saffron is referring to. I am still waiting for a response from him to the enquiry he offered to make.