DestinationBCN was a great host.
The building location is great, a short walk away from both Universitat, Catalunya , and Passeig de Gracia stations. Using those stations, you can navigate pretty much everywhere around the city quickly. The Aerobus stop is also nearby to easily get to/from the airport.
Prior to check-in, we were able to drop off our bags until the apartment was ready for check-in. For check-out, we just left our keys and left for the airport. All really simple and helpful. The building has an elevator as well if you are carrying luggage or are tired from a long day.
The home itself was clean and pleasant including A/C for the August heat wave. We bought food from a market on La Rambla and made breakfast/snacks everyday. Our young kids are picky eaters, so we also made some food for their lunch. The kitchen was a great amenity to help out. You do need to take trash out, but the trash/recycling drop-off is just down the street. There is a 24 hour bodega/mercado next door if you need something quick. It also has an ATM.
The washer and dryer was nice to use as well. DestinationBCN included two loads of detergent to get you started.
The beds were comfortable and we had no problems sleeping. It is a busy street so you'll hear people laughing, talking, and sometimes an occasional scream. It didn't really bother us and only took 1-2 nights to completely get used to it, but something to be aware of if you're sensitive to noises.
Overall a great place, amazing location, and great hosts! We'd definitely stay with them again.