Good points:
+Central location
+verry good connection with public transport
+Bars and Pubs nearby
+comforatble bed
+clean towels
+wifi connection
Bad points;
-an old building with a specific smell.
-no shower curtain
-0 privacy if you don't pull the curtain
-the shower really needs a deep clean and descaling.
-the door of the room did not give the impression of safety.
Conclusion: with some small, but big impact improvements this could be a top 5* location.