A definite recommendation for several reasons:
1) Everything is accurate to the advertisement.
2) Gabriel and his parents are very kind and hospitable people who will make you feel welcomed and are happy to help with any inquiry.
3) The flat is spotlessly clean and provides you with everything you could need for a short trip. It is located on the fourth floor, however there is an elevator for easy access.
4) Very convenient location close to public transport getting you to the city centre in under 20 minutes altogether. Furthermore, along the street of the apartment building there are many restaurants and bars where there is always a lively atmosphere and things going on.
Therefore, if you are searching for an accommodation in central Barcelona, do not look any further!