We've spent 5 nights in this apartment with 2 children (7 and 10 years old), and left with great emotions and memories.
The location is just excellent. Easy to reach everything in downtown Barcelona, and also close to many public transport opportunities. The surroundings are full with different shops and restaurants.
The flat is well equipped and has a very easy-to-accomodate atmosphere! We really would like to recommend for anyone who plans an pleasant stay in Barcelona!