Since the above photo was taken Sheffield University have restored the Victorian wing, as you will see from the links below, to a high standard. Comparing the present day Victorian wing with the, as yet unrestored Edwardian wing encourages the mistaken view (that the University have been perpetuating) that the Victorian wing is architecturally worthy and the Edwardian wing somehow an inferior extension.
You can see before and after restoration images of the Victorian wing here here
Here are the two wings today:
Former glory (c.1910):
It doesn’t take too much imagination to see how impressive the Edwardian building would look if restored.