Joana & Joao's place is amazing, much better than our expectations. The location is perfect for exploring Lisbon with pretty much everything within walking distance (make sure you bring your walking shoes! Lisbon is hilly but definitely worth exploring by walking). The highlight of the apartment is the kitchen which has everything you want and more!
Our hosts were great in communicating with us throughout the entire process and check-in was done perfectly even after our flight had been delayed for 6 hours.
Tips for other guests, there is a small supermarket down the street called Minipreco if you need anything, and lots of good restaurants and bakeries in the same street of the apartment (not the tourist traps you might find in the more touristy areas). Also, if you want to have a nice drink with a view, there is a really nice rooftop bar in front of the building, it's on top of a parking garage.