The apartment of Paulo & Marta was absolutely great for our stay in lisbon! Very clean and very well finished, the fact that there was no airco wasnt really a problem cause the house is from itself pretty cool and has build in fans for fresh air, also it was pretty quite and that is something in Biarro Alto, we felt right at home. Although Paulo & Marta were on holiday, his mother let us in ( what do we do without them) they helped us a lot with how to get to the apartment and restaurants. Would definitely come back!