This feels like a cursed video because pretty much every locomotive was removed and scrapped within months of filming, some within weeks.
https://youtu.be/C3csHQKB9BIIt must have been pretty awful to be someone who cared about their engine in the last days of steam. Rusty, covered in all kinds of filth, because your company isn't going to bother cleaning stuff they're gonna scrap in a year. Hundreds of perfectly good locomotives rushed into obsolescence and destroyed as part of BRs big upgrade project.