Year of construction	Need for renovation and main reason	Total
Total	Owner-occupied households (thousands)	14,295.5
Total	You have not implemented renovation and they are needed (percentage)	30.9
Total	You have not implemented renovations and they are needed (thousands)	4,418.2
Total	Lack of interest	7.0
Total	It is expensive	76.2
Total	Difficulty in finding professionals	1.8
Total	Management problems	2.6
Total	Other reasons	12.5
1960 or earlier	Owner-occupied households (thousands)	1,717.8
1960 or earlier	You have not implemented renovation and they are needed (percentage)	34.8
1960 or earlier	You have not implemented renovations and they are needed (thousands)	598.5
1960 or earlier	Lack of interest	4.6
1960 or earlier	It is expensive	80.6
1960 or earlier	Difficulty in finding professionals	1.7
1960 or earlier	Management problems	2.6
1960 or earlier	Other reasons	10.5
1961-1980	Owner-occupied households (thousands)	3,979.3
1961-1980	You have not implemented renovation and they are needed (percentage)	35.3
1961-1980	You have not implemented renovations and they are needed (thousands)	1,403.8
1961-1980	Lack of interest	7.6
1961-1980	It is expensive	73.4
1961-1980	Difficulty in finding professionals	1.3
1961-1980	Management problems	3.5
1961-1980	Other reasons	14.3
1981-2000	Owner-occupied households (thousands)	4,428.1
1981-2000	You have not implemented renovation and they are needed (percentage)	32.2
1981-2000	You have not implemented renovations and they are needed (thousands)	1,425.2
1981-2000	Lack of interest	7.9
1981-2000	It is expensive	75.9
1981-2000	Difficulty in finding professionals	2.2
1981-2000	Management problems	1.9
1981-2000	Other reasons	12.2
2001-2010	Owner-occupied households (thousands)	2,773.9
2001-2010	You have not implemented renovation and they are needed (percentage)	25.2
2001-2010	You have not implemented renovations and they are needed (thousands)	699.7
2001-2010	Lack of interest	6.1
2001-2010	It is expensive	79.0
2001-2010	Difficulty in finding professionals	1.8
2001-2010	Management problems	2.3
2001-2010	Other reasons	10.8
2011 or later	Owner-occupied households (thousands)	944.2
2011 or later	You have not implemented renovation and they are needed (percentage)	14.7
2011 or later	You have not implemented renovations and they are needed (thousands)	138.5
2011 or later	Lack of interest	9.3
2011 or later	It is expensive	67.8
2011 or later	Difficulty in finding professionals	2.9
2011 or later	Management problems	3.9
2011 or later	Other reasons	16.1