Fantastic place to stay in terms of location and quality of information to access the building. Fridge, washing machine, good bathroom. Didn't really interact with others but Lisbon is a big city with lots to do so you're not really there to hang out a 'home' heh-heh.
Be aware, the bed is a bit soft (but this comes from someone who prefers a firm mattress - not a major issue when staying for a couple of days only).
All in all - excellent. Would stay here again.