The apartment is really great and even better than the pictures. What I loved the most is the sun and the light. There is so much sun in the morning, that I couldn't leave the apartment, but was instead getting coffee and food from the nearby Copenhagen coffee(a great choice by the way) and staying in. On Saturday morning, there is a lovely local farmer's market, in front of the church, where we have found terrific tiramisu. We didn't cook, but I think there is everything you need if you decide to. I liked that there are glass boxes for take-away food, that we used to get breakfast from the cafè. The building itself looks much better than most of the buildings around, both from the outside and inside(great elevator and stairs).
The church's clock doesn't work, so it is not noisy, but what a great view and ambiance does it bring. The light at the church turns off at midnight so that it doesn't bother your sleep.
The only reason that I gave 4 stars for location is that it feels not too safe when coming home at 10-11 p.m. There are a lot of bars and drunk people on the streets and something really disgusting, men urinating on the building walls(but this could be everywhere in Lisbon I guess). It was ok now as I was will my whole family, but if I were alone with a girlfriend I would feel a bit scared. Our friends were staying 15 minutes away, up the hill, near the shops and it felt more save there at night. This is all subjective opinion of course and Chistophe can give you more details on crime rates etc.
In conclusion, the only negativity was that the apartment was too good and we did less sightseeing because of that :)
I totally recommend it.
Thank Christophe, we would be back someday!