It's well located. It's a 5 minutes walk from Santa Justa station and easy to find. In order to go to the city center, we should take city buses number 21 or 32 at the bus stop in front of the railway station. They take 15-20 minutes.
The guest room is simple and a little dusty but guests can use household appliances such as a fridge, a washing machine, and so on.
Manuel, the host, is really a happy and nice person. But unfortunately he doesn't speak English at all. A smart phone with a translation software or something is a must. He has one as well, so we can communicate with each other. But it might be a little difficult to understand each other well.