We really enjoyed staying in this apartment. The location is great- a few mins walk to Placa Catalunya and 10-15mins to a wide range of restaurants and bars, including non-touristy ones. Close to the bus and subway stops. Bakery just downstairs if you'd like to get pastries for breakfast and so are a few little grocery stores. The downside of the location was noise in master bedroom when we kept the window open but it was perfectly fine with the window closed.
The apartment itself was beautiful- spacious and full of light. The only issues were slight smell of cigarettes in one of the rooms (not too bad though) and the door to one bathroom that didn't close properly, which is an inconvenience when you have a bigger group.
There's a Nespresso machine in the apartment, so if you are a coffee lover - bring your capsules along. There's also a safe, which is not a common thing but useful.
Last but not least, Albert who helped us with check in and check out was super helpful and friendly, offering to keep our luggage after the check out, etc.
Overall- I highly recommend the place!