This hotel was amazing. It was comfortable, clean, had amazing staff. It's true that there's no front desk, but if you read the instructions before, there won't be a problem for check in.
The hotel was well located, had great coffee in the room, and amazing cute little library on the second floor with a vintage vibe that I loved.
It was a perfect location as you are in the center of Lisbon and everything is accessible walking distance.
I would come back anytime :)