Great location in the touristy area of town. We stayed 4 nights. It's located literally 1 block from the cable car taking you up the hill (so less walking on Lisboa's famous hilly terrain- it's not called Bairro Alto for nothing). It's located off the main thoroughfare in a quaint small street. There are restaurants and cafe shops nearby (within 50 feet) so morning coffee runs are easily done! Multiple great restaurants and cafes are nearby, including a park-like open air area for coffee and live music within a 5 min walk. All in all, this is a great place for a couple or 3-4 people (max). Note that it's above a bar, so there is some noise and music until late, so if you are a light sleeper, keep that in mind (or bring earplugs).
The host is very responsive and kind. She allowed us to check in early which was just super so we can park our luggages.
Overall, it was a great stay and it's because of location, location, location. It's located an easy walk from TimeOut Lisbon food court (a must go destination for every foodie tourist). Take the tram up and down to save the hike. Also, the famous Lisbon 28E tram stop is about 50ft away, but good luck getting a spot as it's crowded with tourist every time I tried.
A piece of advice for finding the location on Uber or Bolt app to get there by hired car- the street doesn't show up as it's pretty small, just go on a mapping app (such as G**gl**Map) and it will show up there. Then put in the name of a restaurant or Cafe nearby. We used Pastelaria Orion (it's a famous coffee and pastry shop) as the landmark and it's easy to navigate via the Uber or Bolt. BTW, Bolt is a bit cheaper than uber so download that app if you can.
Finally, you can't go wrong by staying at this great apartment in central old town Lisbon.