It was a great pleasure to stay in the apartment. It was sunny, spacious and very well located exactly as described. Neighbourhood was very safe and quiet as well. The apartment itself has great bedrooms, two bathrooms, well equipped kitchen and even Champagne in the fridge to celebrate New Year's Eve with due honours;) I personally like Living Room - we had a chance to eat here with a group of 7 at high comfort (table and chairs were good), but as well have a nice long evening discussion on the comfortable sofa and poufs next to the Christmas Tree. Atmosphere was really terrific.
Very important thing to mention is the location - it's like 15 minutes walk to the city center, 5 minutes walk to closest metro station (Restauradores) and 2 minutes to the closest store open 24h/day (even on the New Year's Eve night on the way back from the party we had a chance to buy some food!).
Of course I don't have to mention our host - Doris, very polite, giving great welcome and plenty of information about Lisbon and vicinity. If I get back to Lisbon in near future, I will definitely consider staying at same place again.