This place offers a great location, right in the center, close to major sights. Flat is as shown on photos, you see what you get. Although it wasn't mentioned, that you have to take a bit of stairs before getting there from the lift, for us with a stroller it was an unpleasant surprise.
Also it isn't mentioned in the description, that you have to pick up keys from another location. I read it from reviews, and opted for a transfer, as we were arriving late with kids.