This flat is perfectly located in the northern are of Barcelona, especially if you want to escape the hectic city center life but still be rather quickly in it (we once walked to La Rambla).
The building itself is quite old but the apartment looks super modern. An elevator exists which helps. Especially the kitchen is showing off and provides all tools you need for your stay. Rudimentary flavours and cooking oil existed but if you want to cook more exotic meals you need to buy a few more. The living/dining room is easily big enough for 2 and 3 people. I‘m not so sure about the expandable couch and its use as a bed for 2 but if you are in the city for just 2 days it may be enough. The extra sleeping room (single bed) can be used as your changing room and the main 2-bed-room works fine as well. Except those 2 wooden beds. You just breath in them and they make horrific sounds, let alone changing your sleeping position.
The bathroom works absolutely fine for 2 people. It‘s quite small with no place to hang (hooks) or store (shelf) your shampoo, towels etc. That was a bit annoying but as I said, for 2 people it‘s managable. At the end, we really liked our stay and can recommend the apartment for 2-3 people, visiting the city for a few days.