I loved my ~7 weeks at this place. I had planned to stay for one month, but ended up extending twice because the location, the unit, and the price point was worth it. I will say this place is a tad bit pricey in general compared to Barcelona, but compared to other Airbnbs, this is a deal!
The kitchen was stocked with basic supplies which made settling in easy. There is a grocery store across the street for things like laundry detergent, toilet paper, or any other home necessities.
The street noise was noticeable for the first week, but eventually I got used to it. I think this is just an European thing to have louder streets.
As a solo traveler, I felt super safe in this area. LOCATION is amazing!