Nathalie was really helpful as we communicated in e-mail, and his brother-in-law was also nice welcoming us in the apartment, he even brought some pasta del nata for us, which was delicious :) The apartment was cozy, clean and nicely decorated. The only negative thing we found out that probably due to the lack of windows, the bedrooms are poorly ventillated and the air can get a bit heavy there; but I guess that's partly due to how the houses are Lisboa are generally built.