We were the first to stay in this Airbnb flat and it was very well-equipped. The flat had all the appliances you could think of having in the kitchen and also had two radiators for the cold (not necessary at this time of year for us), a washing machine with detergent for our own use and a lovely coffee maker with the coffee available for our use, which is great because most places don't have those extra touches.
The flat looks exactly like it does in the photos. I was comfortable sleeping but some might find the mattress to be a bit on the harder side. There were two separate wardrobes which made having my own space for clothes quite nice.
The flat is a 3 minute walk from the Santa Apolonia subway station and about a 7 minute walk from the main square in Alfama.
The Santa Apolonia train station which is connected to the subway station is right below the flat. This would be the only negative point. I am a bit of a light sleeper and sleep with earplugs. Although the station gets noisy at times with trains passing by, I was able to sleep well. I got woken up a few times but was able to fall back asleep. Basically, if you're a heavy sleeper or don't mind noise, this shouldn't be a problem for you. If you are a very light sleeper or are looking for a quiet flat, this is not the flat for you as during the evenings it got quite noisy at times as we were winding down and having dinner.
All in all it was a good experience.