This is a great place to stay in Lisbon. As others have mentioned, it's definitely not quiet, but the noise adds to the charm! Very centrally located and a great position for walking to most places. I stayed in the winter months and never saw any sunlight on the terrace so didn't use it but can imagine it's a great space in summer.
It's not a huge apartment but was perfect for my stay. The kitchen had everything I needed for a few nights, the living room was comfortable and I liked the noise coming in from the street. The shower had good water pressure and very warm water and the bedroom was very quiet. Luis and Carolina were great at replying to my messages quickly. I will definitely try to stay here again when I return to Lisbon!