We overall enjoyed our stay, a lovely little apartment that is in a great location, near to all that you need yet in a quiet area. Public transport right outside the door, though we didn't use it, as we walked or we got an Uber. Was nice to sit out on the small balcony. We ended up doing self check in, so we never met anyone, but instructions were easy to follow.
A few things to consider if you choose this apartment, beds extremely hard and uncomfortable. No welcome information pack about the apartment/where to put rubbish/the area/transport. WhatsApp messages were responded to, but still no real recommendation of places in the Belem area, just overall Lisbon, so make sure you do your research.
We really liked the area and will be back to Lisbon in the future.