The apartment is a short walk from the Sagrada Familia and hop on hop off bus stop. There were several restaurants and bars nearby (La Ramona for dinner and Bristol Gastropub for breakfast were standouts). We used the hop on hop off bus for transportation, but if not using that, it would be a 40 minute walk to La Rambla.
The apartment was very clean and the beds comfortable. The second bedroom, especially, was so small that a second suitcase couldn't be left open in the room.
If you need a nice place to stay at a reasonable price, we would recommend this.