Very nice apartment with a perfect location! 10 min walk to Sagrada Familia, 5 min walk till 2 metro stations, or bus stops. 20 min walk from the beach. We came to Barcelona with 2 small kids and mostly have returned from site seeing walks by taxi - max we payed 11 EUR! Was even cheaper than to return by public transport. The apartment is in the center of Barsa's attractions.
In apartment you'll have everything from washing powder to toilet paper. :) All kitchen technique works! The host is so sweet and helpful (she even left for us welcome cookies, milk, juices and bottle of champagne). :) Minuses: very bad noise isolation - we heard everything neighborhoods did and the elevator, two bedrooms have no normal windows. However, in overall I will definitely recommend this place to everyone!