Great location for staying out of the tourist hustle/bustle of Ramblas area, close to most modernista sights, including park Güell and obviously La Sagrada Familia.
Clean, equipped with everything you'd need on arrival. Small market across the street has fresh fruit, meat, cheese, etc.
Walkable to downtown, close to metro.
We stayed with our 16 month old daughter and it was great.
Would recommend.