Autonomous Communities of residence Availability of secondary dwelling Total total % households with secondary dwelling 14.99 andalucía % households with secondary dwelling 14.08 aragón % households with secondary dwelling 17.50 asturias(principado de) % households with secondary dwelling 13.83 balears (illes) % households with secondary dwelling 12.75 canarias % households with secondary dwelling 9.19 cantabria % households with secondary dwelling 9.33 castilla y león % households with secondary dwelling 16.32 castilla-la mancha % households with secondary dwelling 13.37 cataluña % households with secondary dwelling 11.14 comunidad valenciana % households with secondary dwelling 22.95 extremadura % households with secondary dwelling 9.34 galicia % households with secondary dwelling 10.18 madrid(comunidad de) % households with secondary dwelling 19.62 murcia(región de) % households with secondary dwelling 16.92 navarra(comunidad foral de) % households with secondary dwelling 9.37 país vasco % households with secondary dwelling 15.91 rioja (la) % households with secondary dwelling 17.41 ceuta and melilla % households with secondary dwelling 18.35