https://www.ispreview.co.uk/index.php/2019/07/the-curious-case-of-hunslet-82-g-fast-pod-waits-3-years-to-go-live.htmlThe pod was made live in September. FTTP build started earlier this month, homes are already live with the remainder of the cabinet area complete by end of month.
So that was a pretty sharpish about-face.
In mitigation: a new build was put up with FTTP just across the road from my old place. A PON node was built on the side of the road where I was, and this is being used to deliver FTTP - the closest properties to it are live and can order with splicing works to connect others to it ongoing and, in turn, splice other PONs to the aggregation node about a kilometre away ongoing too.
They evidently used spare fibre feeding the new build, it wasn't very large, to deliver another PON and are progressively building out from there using the trays in that pit. The splicing works mention that node/location specifically.
All underground, FTTP infrastructure in terms of trays, etc, was close, the G.fast was installed a while back but made live only very recently so this would've been a pretty cheap and rapid build - apart from c.60 flats the other 600 premises will have been rodded, roped, a very few ducts unblocked, infrastructure installed and lit within a month.