The flat location is really nailed. It is close to all main action and is on a very lively street, so it may get a bit noisy (I was totally cool with that!). Also I saw some people complain about staircase to the 3rd floor being the only option - that is true, there is no elevator, but the stairs are totally doable even after 10 hours of walking and barcrawling.
I thank Ronahi for the stay and would totally recommend this place to my friends.