We visited Barcelona in December so it was a little bit cold:)Apartment is really close to Sagrada,but to all place of interest and good restaurants we recommend to take the taxi.
Apartment is cozy and small but so quite and beds are extremely comfort!!!
And it was a little bit cold,air conditioning should work more effective:)in heating mode,or you should have more wine with You!and more powerful heaters in bedrooms would be a plus if visitors come in winter:)
In generally recommended and great!
Especially thankful for really late check out,cause we had late flight:)Gracias!