Changes/ alterations:
-change windows- modern/double glazing
-get rid of the ramp- replace with steps
-paint exterior (white?)
-remove chimney/ventilation on roof
-change metal fence on the top right area next to the main entrance
-change door
-clean entrance/'court house' + '1916' features
-change roof style?

Keep/save:

-entrance/doorway
-'court house'
-basic structure of the building


Feel free to add or edit the list if you can think of anything else :-)