Joana's apartment has a very central location. It was very clean and really nice decorated; old bookshelf, nice plants, ... it gave us a very locally/cosy feeling. Ofcourse the terrace is magnificent. Under the wine-leaves you can have a nice view while enjoying a Vino Verde! ;) There was some 'noise' because there were people working on their houses etc., but was not disturbing us that much.
We recommend Joana's place for sure and will re-book it when we'll go back to Lisbon.