Housing conditions and energy efficiency
Households according to whether they have made improvements to thermal insulation or the heating system, by nationality of the reference person.
Unidades: Horizontal percentages.

;Has made improvements to thermal insulation or the heating system;No improvements have been made and it is warm enough during the cold months;No improvements have been made and it is not warm enough during the cold months;
Total;14,1;60,8;25,1;
Spanish;14,5;60,9;24,5;
Foreign (European Union);11,6;65,4;23,1;
Foreign (rest of the world);8,9;55,1;36;
Not specified;51,5;48,5;..;
Notas:
Fuente: Instituto Nacional de Estadística