Quirky 3 room in Altstadt for a 2.5-3 with Character

The apartment is a 3 room in the Altstadt, seconds from the Heidelberg University Library, Peter’s church, many bus connections and more It has a fitted kitchen and a washing machine. It is €620 warm and includes heating, electricity and bins. The apartment is quirky as it separated by a courtyard and a communal hallway I am looking for a 2.5( I need a secrete are for an office space) -3 room that has character, light and space.