>fttp apparently does not exist here (them laying a new duct & fibre across my drive 3 years ago must have been my imagination).
Given you are getting FTTC, that fibre probably goes to a cabinet, to provide the fibre-to-the-cabinet aka exchange backhaul...
> last time I looked into the costs it was a minimum of £20,000 + additional costs for wayleaves & construction / roadworks (estimated total +/- 25% £52,000)
Infrastructure is expensive, when I looked at putting FTTP into my village (circ 2012), we also had to budget for two street cabinet installations at £30k each...
Yet people want someone else to foot the bill and only charge them £30 pcm...