Well situated large apartment. We enjoyed staying there as a family with 2 children. It was clean and as described, plenty of space to sleep and hang out and with several supermarkets, cafes and restaurants nearby. Buses leaving right outside the door and two Metro train stops in easy walking distance. We loved that it was a pleasant neighbourhood not swarming with hordes of tourists.
Sebastian was very helpful, both with advice on how to get there as well as quickly responding to a request for a couple of small things for the apartment. He also booked the taxi for us to return to the airport. Made for an overall happy stay in Barcelona.