This is a fantastically located, spacious and modern apartment in my favourite area of Barcelona - we've spent 6 weeks there with 4 adults and 2 kids. The communication has been great and most of what you need is in the apartment. Lack of shade on the amazing terrace meant we had to buy our own sun parasol which is not ideal, but I would be mindful of this. The street is pedestrian and shaded most of the day, it's always refreshing going out. As you're on 7th floor, the apartment is generally very quiet.
Everything is walkable but you still feel like a local, with some fantastic cafes and restaurants nearby, from Bar Allegria for incredible truffle tortilla or anchovy toast, through Casa Dorita for great vibe, Bonarte for ice cream, Bar Ramon for local history and outstanding Slow and Low (14 courses!!) for a very special occasion. Then there's the Parlament street two corners away with hipster-friendly Federal Cafe and lots of other great places.
There's Lidl in the basement of the Sant Antoni market next door and plenty great local shops within 1min walk. I would certainly recommend this apartment!