Table 4.3b – Attic By Construction Year
Number of households by year of construction | ||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Before 1946 | 1946-1960 | 1961-1977 | 1978-1983 | 1984-1995 | 1996-2000 | 2001-2010 | 2011 or later | Not stated | ||||||||||
Dwelling has an attic | ||||||||||||||||||
Yes | 860,140 | A | 868,813 | A | 1,819,616 | A | 754,306 | A | 1,416,343 | A | 530,148 | A | 1,153,781 | A | 594,065 | A | 62,256 | M |
No | 238,177 | M | 158,365 | A | 280,793 | A | 128,096 | M | 200,379 | A | 96,235 | M | 210,942 | M | 135,191 | M | - | U |
Valid skip Footnote 1 | 351,215 | A | 696,690 | A | 1,228,618 | A | 646,612 | A | 641,225 | A | 207,244 | M | 513,253 | A | 442,201 | A | 289,468 | M |
Don’t know | - | U | - | U | - | U | - | - | - | U | - | U | - | U | - | U | - | U |
Not stated | - | U | - | U | 92,966 | M | - | U | - | U | - | U | - | U | - | U | - | U |
Dwelling has an insulated attic | ||||||||||||||||||
Yes - on the attic floor | 564,819 | A | 624,749 | A | 1,414,709 | A | 581,850 | A | 950,845 | A | 395,186 | A | 672,828 | A | 333,905 | A | - | U |
Yes - on the attic walls | 53,818 | M | - | U | - | U | - | U | - | U | - | U | - | U | - | U | - | - |
Yes - on both the attic floor and walls | 155,158 | M | 128,943 | M | 202,096 | M | 83,679 | M | 192,479 | A | 71,362 | M | 231,196 | M | 103,368 | M | - | U |
No | - | U | - | U | - | U | - | U | - | U | - | U | - | U | - | U | - | - |
Valid skip Footnote 2 | 589,391 | A | 855,055 | A | 1,509,411 | A | 774,709 | A | 841,604 | A | 303,479 | A | 724,195 | A | 577,393 | A | 296,068 | M |
Don’t know | - | U | 55,980 | M | 111,650 | M | 47,142 | M | 173,239 | M | - | U | 188,288 | M | 114,080 | M | 1,495 | U |
Not stated | - | U | 45,367 | M | 146,687 | M | 34,247 | M | 95,657 | M | - | U | - | U | - | U | - | U |
Legend:
The letter beside each estimate classifies its quality as follows: A–Acceptable, M–Use with caution, U–Too unreliable to be published.
Notes:Due to rounding, the numbers may not add up and may differ slightly among tables.
Source:2019 Survey of Household Energy Use