Income quintile per unit of consumption	Improvements to thermal insulation or the heating system	Total
Total	Has made improvements to thermal insulation or the heating system	14,1
Total	No improvements have been made and it is warm enough during the cold months	60,8
Total	No improvements have been made and it is not warm enough during the cold months	25,1
First quintile	Has made improvements to thermal insulation or the heating system	9
First quintile	No improvements have been made and it is warm enough during the cold months	54,6
First quintile	No improvements have been made and it is not warm enough during the cold months	36,4
Second quintile	Has made improvements to thermal insulation or the heating system	12
Second quintile	No improvements have been made and it is warm enough during the cold months	56,6
Second quintile	No improvements have been made and it is not warm enough during the cold months	31,4
Third quintile	Has made improvements to thermal insulation or the heating system	13,5
Third quintile	No improvements have been made and it is warm enough during the cold months	60,9
Third quintile	No improvements have been made and it is not warm enough during the cold months	25,6
Fourth quintile	Has made improvements to thermal insulation or the heating system	16
Fourth quintile	No improvements have been made and it is warm enough during the cold months	64,2
Fourth quintile	No improvements have been made and it is not warm enough during the cold months	19,8
Fifth quintile	Has made improvements to thermal insulation or the heating system	19,9
Fifth quintile	No improvements have been made and it is warm enough during the cold months	67,3
Fifth quintile	No improvements have been made and it is not warm enough during the cold months	12,8