This apartment is convenient, if a bit basic. The European double bed was too small for two of us to share, and while our hosts offered sheets and pillows for the spare bed (futon) in the bedroom, there was a fee. The kitchen was functional yet the dishwasher had pieces broken off and laying in the bottom, and there was very little natural light anywhere because of the location. We were pleased to be near the heart of Lisbon. Unfortunately there was not any comfortable seating - just a very worn and stiff futon in the living room.
Overall we had a nice time in Lisbon and would recommend this apartment to anyone looking for a bargain and the ability to avoid eating in restaurants for every meal. If comfort is your priority, this may not be the best choice.