I could not recommend Cecilia's plan enough! It ticked every box that I look for in an ideal AirBnB:
1. The apartment is new and nicely furnished. It was hotel-room-standard clean on arrival and had everything you would need. I felt right at home straight away
2. The internet was good, which was important as I needed to take some video calls during my stay
3. The local was ideal. The apartment is located in Lapa - a lovely residential area of Lisbon. Just around the corner is a lovely small groceries and a couple of restaurants, as well as a nice courtyard and museum 2 mins away. If you want more options, there are additional restaurants and groceries a 5 min walk away, as well as a train station and more lively bars/restaurant 10 mins away. It's the best of both worlds - quiet + accessible. And easy to get to more touristy areas if you're looking to explore. Oh and you can walk to the pier in just 15 min to get a beautiful view of the water.
And to top it all off, Cecilia is a wonderful host - helpful and pleasant. I hope the apartment is available when I'm back in Lisbon!