I can provide a list of problems with this apartment, but I will focus on only 2: noise and humidity. The building is old and doors only shut if you push them as strongly as possible. The neighbors above are extremely loud and fight all the time!! The apartment is renovated, but is not insulated. So you can hear every single noise at any time of the day or night.
It is true it has been raining a lot lately in Lisbon and a lot of people are facing humidity issues in their houses. However, not only we had mold everywhere in the house, but even the wash machine was full of mold! We could not use it to wash our clothes during our 2-week stay, which did not go as planned. Actually, one of the guests had to leave early as she could not breathe because of the mold.
Not a pleasant experience.