Pros: Ernesto is very friendly, responsive and helpful. The kitchen is pretty well equipped. Your privacy is guaranteed by the hallway that separates the 2 bedrooms, by the 2 different toilets, and by the wifi that works great from everywhere. The room is equipped with a ceiling fan. The flat is very clean. Pluses: there’s a secure bicycle parking garage and Netflix.
Cons: the room is very loud as it overlooks an intersection between 2 big high-traffic roads (you need to shut the window at night or use earplugs), and the walls are very thin (the neighbors woke me up many times at night and in the morning). It’s also pretty dark because of the trees right in front of the balcony. The furniture is quite basic and not very comfortable, in particular the main "Japanese" bed which is in fact the contrary of a futon (i.e. extremely soft and sagging). Hot water works a bit randomly. The area is not so interesting.
Conclusion: It’s ok for a short stay. For a longer term I’d rather recommend the other bedroom which is on the backyard side and quieter and brighter and seems to have a better bed. And definitely use a bike.