No. of dwellings;Year of construction (aggregate);Total
Total;Total;9,730,999
Total;Before 1900;793,401
Total;From 1900 to 1920;366,416
Total;From 1921 to 1940;431,216
Total;From 1941 to 1950;481,269
Total;From 1951 to 1960;863,630
Total;From 1961 to 1970;1,052,009
Total;From 1971 to 1980;1,495,132
Total;From 1981 to 1990;1,360,191
Total;From 1991 to 2001;1,417,202
Total;From 2002 to 2011;1,470,533
1;Total;7,701,066
1;Before 1900;697,546
1;From 1900 to 1920;307,447
1;From 1921 to 1940;353,495
1;From 1941 to 1950;394,023
1;From 1951 to 1960;676,965
1;From 1961 to 1970;735,461
1;From 1971 to 1980;1,093,484
1;From 1981 to 1990;1,088,687
1;From 1991 to 2001;1,135,947
1;From 2002 to 2011;1,218,011
2;Total;651,034
2;Before 1900;45,136
2;From 1900 to 1920;25,879
2;From 1921 to 1940;35,329
2;From 1941 to 1950;38,859
2;From 1951 to 1960;68,120
2;From 1961 to 1970;91,475
2;From 1971 to 1980;119,740
2;From 1981 to 1990;98,937
2;From 1991 to 2001;85,021
2;From 2002 to 2011;42,538
3;Total;202,023
3;Before 1900;14,450
3;From 1900 to 1920;8,294
3;From 1921 to 1940;10,671
3;From 1941 to 1950;11,674
3;From 1951 to 1960;20,678
3;From 1961 to 1970;30,195
3;From 1971 to 1980;38,839
3;From 1981 to 1990;28,855
3;From 1991 to 2001;24,841
3;From 2002 to 2011;13,526
4;Total;140,755
4;Before 1900;8,657
4;From 1900 to 1920;5,068
4;From 1921 to 1940;6,216
4;From 1941 to 1950;7,261
4;From 1951 to 1960;14,569
4;From 1961 to 1970;19,937
4;From 1971 to 1980;24,462
4;From 1981 to 1990;18,916
4;From 1991 to 2001;20,433
4;From 2002 to 2011;15,236
5 to 9;Total;412,664
5 to 9;Before 1900;16,445
5 to 9;From 1900 to 1920;9,841
5 to 9;From 1921 to 1940;12,244
5 to 9;From 1941 to 1950;15,257
5 to 9;From 1951 to 1960;40,161
5 to 9;From 1961 to 1970;59,796
5 to 9;From 1971 to 1980;75,092
5 to 9;From 1981 to 1990;54,337
5 to 9;From 1991 to 2001;66,281
5 to 9;From 2002 to 2011;63,210
10 to 19;Total;398,959
10 to 19;Before 1900;9,044
10 to 19;From 1900 to 1920;7,503
10 to 19;From 1921 to 1940;9,283
10 to 19;From 1941 to 1950;10,399
10 to 19;From 1951 to 1960;31,472
10 to 19;From 1961 to 1970;70,821
10 to 19;From 1971 to 1980;80,616
10 to 19;From 1981 to 1990;44,153
10 to 19;From 1991 to 2001;59,203
10 to 19;From 2002 to 2011;76,465
20 to 29;Total;131,068
20 to 29;Before 1900;1,515
20 to 29;From 1900 to 1920;1,653
20 to 29;From 1921 to 1940;2,462
20 to 29;From 1941 to 1950;2,367
20 to 29;From 1951 to 1960;7,521
20 to 29;From 1961 to 1970;27,403
20 to 29;From 1971 to 1980;32,887
20 to 29;From 1981 to 1990;14,421
20 to 29;From 1991 to 2001;16,178
20 to 29;From 2002 to 2011;24,661
30 to 39;Total;47,853
30 to 39;Before 1900;386
30 to 39;From 1900 to 1920;441
30 to 39;From 1921 to 1940;905
30 to 39;From 1941 to 1950;892
30 to 39;From 1951 to 1960;2,524
30 to 39;From 1961 to 1970;8,924
30 to 39;From 1971 to 1980;14,771
30 to 39;From 1981 to 1990;5,979
30 to 39;From 1991 to 2001;4,980
30 to 39;From 2002 to 2011;8,051
40 or over;Total;45,577
40 or over;Before 1900;222
40 or over;From 1900 to 1920;290
40 or over;From 1921 to 1940;611
40 or over;From 1941 to 1950;537
40 or over;From 1951 to 1960;1,620
40 or over;From 1961 to 1970;7,997
40 or over;From 1971 to 1980;15,241
40 or over;From 1981 to 1990;5,906
40 or over;From 1991 to 2001;4,318
40 or over;From 2002 to 2011;8,835