There's a new ticket office on the Manchester bound platform.
http://onbeer.wordpress.com/2014/02/21/guide-bridge-revisited/
I don't know the fate of the old building once the new office is brought into use. It is used for other offices too so it may survive, unlike the old platform buildings which I photographed getting on for forty years ago.
http://http://onbeer.wordpress.com/2013/12/16/a-trip-down-memory-lane/