Gulley, I don't suppose you can approximate the date of this photo from the tops of these cars in the left foreground can you?
The main line electrification gantry and catenary system is in place in this photo (being used as a backdrop) in that RMWeb article..
Since electrification was completed by '62, I'm guessing that the other photo you've put up is likely from around after that, probably mid 60's. Not sure what the cars are, that looks suspiciously like the roofline of a Rover P5 at the front though I don't think that will help us much.
As the guy in the article says, it's likely taken shortly before demolition though I can't find anything to say exactly when that was.
I can remember watching engines get turned on that turntable.