When I first visited this location in 1980 there were some sidings to the right where open cast iron ore was transferred from a narrow-gauge network to wagons for onwards movement. In the distance, where the palisade fence dips down out of view, was Glendon Sidings signal box complete with a number of semaphores, see....
https://www.ontheupfast.com/p/21936chg/29663553404/x16-glendon-sidings-signal-box-mid The track was still doubled but soon it was to be singled and then, in the last two years doubled again! 222010 forms the 10.41 Corby to London St. Pancras that is about to rejoin the route of the Midland Mainline and stop at Kettering.