Table 5.1b – Energy Audit 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 | ||||||||||
An energy audit had been conducted in the dwelling | ||||||||||||||||||
Yes | 279,330 | A | 243,869 | A | 567,940 | A | 242,635 | A | 370,805 | A | 94,754 | M | 135,101 | M | 101,386 | M | - | U |
No | 850,910 | A | 950,816 | A | 1,771,515 | A | 918,085 | A | 1,380,647 | A | 566,302 | A | 1,322,730 | A | 765,926 | A | 188,369 | M |
Don’t know | 364,809 | M | 562,828 | A | 1,097,413 | A | 395,852 | A | 557,941 | A | 217,668 | M | 467,425 | A | 334,662 | A | 186,583 | M |
Not stated | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | U | - | - |
An energy audit had been conducted in the last 10 years | ||||||||||||||||||
Yes | 195,520 | A | 180,974 | A | 403,952 | A | 190,603 | A | 273,860 | A | 87,025 | M | 120,753 | M | 90,070 | M | - | U |
No | 76,574 | M | 57,923 | M | 127,737 | M | 50,299 | M | 77,188 | M | - | U | - | U | - | U | - | U |
Valid skip Footnote 1 | 1,215,719 | A | 1,513,644 | A | 2,868,928 | A | 1,313,937 | A | 1,938,587 | A | 783,970 | A | 1,790,155 | A | 1,101,331 | A | 374,952 | A |
Don’t know | - | U | - | U | - | U | - | U | - | U | - | U | - | U | - | U | - | U |
Changes made as a result of the audit | ||||||||||||||||||
Yes | 237,016 | A | 178,350 | A | 447,221 | A | 181,317 | A | 286,146 | A | 66,862 | M | 54,152 | M | - | U | - | U |
No | 37,169 | M | 53,852 | M | 97,469 | M | 53,838 | M | 76,305 | M | - | U | 80,948 | M | 75,160 | M | - | U |
Valid skip Footnote 1 | 1,215,719 | A | 1,513,644 | A | 2,868,928 | A | 1,313,937 | A | 1,938,587 | A | 783,970 | A | 1,790,155 | A | 1,101,331 | A | 374,952 | A |
Don’t know | - | U | - | U | - | U | - | U | - | U | - | U | - | - | - | U | - | U |
Not stated | - | - | - | - | U | - | - | - | - | - | - | - | - | - | - | - | - | |
A government grant received as part of a home energy retrofit program | ||||||||||||||||||
Yes | 159,818 | M | 138,296 | M | 255,620 | A | 105,188 | A | 168,490 | A | 46,794 | M | - | U | - | U | - | U |
No | 101,344 | A | 78,477 | M | 210,762 | A | 110,716 | M | 163,976 | A | - | U | 62,488 | M | 73,061 | M | - | U |
Valid skip Footnote 1 | 1,215,719 | A | 1,513,644 | A | 2,868,928 | A | 1,313,937 | A | 1,938,587 | A | 783,970 | A | 1,790,155 | A | 1,101,331 | A | 374,952 | A |
Don’t know | - | U | - | U | 93,472 | M | - | U | - | U | - | U | - | U | - | U | - | U |
Not stated | - | - | - | - | - | 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