Tables for Section 19
Table 19.1: Summary survey data, Christchurch
| Location | Households – 2004 | Sample size | Sample error |
|---|---|---|---|
Christchurch |
125,125 |
150 |
8.0% |
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Table 19.2: Domestic home heating methods and fuels, Christchurch
| Households | Winter fuel use (July) | |||
|---|---|---|---|---|
| % | Number | Tonnes/day | % | |
Electricity |
72% |
90,090 |
- |
- |
Total gas |
25% |
30,864 |
31 |
5% |
Flued gas |
8% |
10,010 |
- |
- |
Unflued gas |
17% |
20,854 |
- |
- |
Oil |
1% |
834 |
- |
- |
Open fire |
6% |
7508 |
- |
- |
Open fire: wood |
6% |
7508 |
82 |
12% |
Open fire: coal |
1% |
1668 |
15 |
2% |
Total wood burner |
19% |
23,357 |
511 |
77% |
Pre-1994 wood burner |
8% |
10,010 |
245 |
37% |
1994–99 wood burner |
9% |
11,122 |
200 |
30% |
Post-1999 wood burner |
2% |
2224 |
67 |
10% |
Multi-fuel burners |
1% |
834 |
- |
- |
Multi-fuel burners: wood |
1% |
834 |
- |
- |
Multi-fuel burners: coal |
1% |
834 |
15 |
2% |
Pellet burners |
1% |
1668 |
7 |
1% |
Total wood |
25% |
31,698 |
593 |
90% |
Total coal |
2% |
2503 |
30 |
5% |
Total |
125,125 |
661 |
||
* Note: rounding errors may occur in the proportion of burners in different age categories and in types of gas heating.
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Table 19.3: Monthly variations in heating behaviour and fuel use, Christchurch
| Percentage of houses using this method that use it each month | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
Gas |
9% |
9% |
15% |
30% |
76% |
91% |
97% |
88% |
70% |
45% |
18% |
9% |
Open fire |
14% |
14% |
14% |
29% |
29% |
86% |
86% |
57% |
43% |
14% |
14% |
14% |
Wood burner |
4% |
4% |
7% |
21% |
57% |
86% |
86% |
82% |
43% |
14% |
7% |
4% |
| Average number of days per week house is heated (only for those heating during that month) | ||||||||||||
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
Gas |
3 |
7 |
7 |
6 |
5 |
6 |
6 |
6 |
5 |
5 |
5 |
7 |
Open fire |
3 |
3 |
3 |
5 |
5 |
5 |
5 |
6 |
6 |
3 |
3 |
3 |
Wood burner |
4 |
4 |
3 |
5 |
6 |
6 |
6 |
6 |
5 |
4 |
4 |
1 |
| Daily fuel use (tonnes) | ||||||||||||
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
Gas |
3.3 |
3.3 |
3.3 |
6.8 |
18.1 |
28.4 |
31.0 |
29.0 |
13.0 |
7.1 |
3.4 |
3.3 |
Open fire: wood |
8.2 |
8.2 |
8.2 |
22.4 |
17.8 |
81.5 |
81.5 |
36.2 |
57.7 |
8.2 |
8.2 |
8.2 |
Open fire: coal |
0.0 |
0.0 |
0.0 |
15.0 |
15.0 |
15.0 |
15.0 |
15.0 |
15.0 |
0.0 |
0.0 |
0.0 |
Wood burner |
- |
- |
- |
- |
320.9 |
499.4 |
511.4 |
430.8 |
- |
- |
- |
- |
| Daily fuel use (kg) per household (for households using that method) | ||||||||||||
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
Gas |
0.1 |
0.1 |
0.1 |
0.2 |
0.6 |
0.9 |
1.0 |
0.9 |
0.4 |
0.2 |
0.1 |
0.1 |
Open fire: wood |
1.1 |
1.1 |
1.1 |
3.0 |
2.4 |
10.9 |
10.9 |
4.8 |
7.7 |
1.1 |
1.1 |
1.1 |
Open fire: coal |
0.0 |
0.0 |
0.0 |
9.0 |
9.0 |
9.0 |
9.0 |
9.0 |
9.0 |
0.0 |
0.0 |
0.0 |
Wood burner |
- |
- |
- |
- |
13.7 |
21.4 |
21.9 |
18.4 |
- |
- |
- |
- |
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Table 19.4: Estimated daily fuel use, by season, Christchurch
| Winter fuel use kg/day | Non-winter fuel use kg/day | |
|---|---|---|
Gas |
1 |
1 |
Open fire: wood |
29 |
12 |
Open fire: coal |
9 |
9 |
Wood burner |
25 |
23 |
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Table 19.5: Average monthly heating costs (winter), Christchurch
| Winter month cost | |
|---|---|
Electric |
$76 |
Gas |
$91 |
Open fire |
$42 |
Wood burner |
$80 |
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Table 19.6: Type of electric heating, Christchurch
| Night store | Radiant | Portable oil column | Panel | Fan | Heat pump | Don't know/ refused | Other | |
|---|---|---|---|---|---|---|---|---|
Households |
11,678 |
12,513 |
31,698 |
7508 |
19,186 |
10,844 |
- |
6673 |
Percent |
13% |
14% |
37% |
9% |
22% |
13% |
- |
8% |
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Table 19.7: Home heating method, by house ownership, Christchurch
| Households living in rental | Percent living in rental | Households living in own house | Percent living in own house | |
|---|---|---|---|---|
Total |
53,387 |
43% |
71,738 |
57% |
Electric |
38,372 |
43% |
51,718 |
57% |
Gas |
11,678 |
38% |
19,186 |
62% |
Open fire |
5839 |
78% |
1668 |
22% |
Wood burner |
5005 |
21% |
18,352 |
79% |
Pellet burner |
1668 |
0% |
0 |
0% |
Multi-fuel |
834 |
100% |
0 |
0% |
Oil |
0 |
0% |
834 |
100% |
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Table 19.8: House insulation summary statistics, Christchurch
| Insulation type | Degree of insulation | |||
|---|---|---|---|---|
| Households | % | |||
Ceiling |
77,578 |
62% |
No insulation |
18% |
Under floor |
23,357 |
19% |
1 type |
28% |
Wall |
42,543 |
34% |
2 types |
21% |
Cylinder wrap |
29,196 |
23% |
3 types |
13% |
Double glazing |
17,518 |
14% |
4 types |
9% |
None |
22,523 |
18% |
5 types |
2% |
Don't know |
13,347 |
11% |
Don't know |
11% |
Other |
0 |
0% |
||
* One type means the household has just one of: ceiling, under floor or wall insulation, a cylinder wrap or double glazing; two types are any two of these, etc.
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Table 19.9: Degree of house insulation, by heating method, Christchurch
| Degree of insulation | Electric | Gas | Wood burner | Multi-fuel | Open fire |
|---|---|---|---|---|---|
1 type |
28% |
35% |
29% |
100% |
11% |
2 types |
22% |
19% |
25% |
0% |
11% |
3 types |
13% |
16% |
18% |
0% |
0% |
4 types |
6% |
8% |
14% |
0% |
11% |
5 types |
3% |
0% |
0% |
0% |
0% |
None or don't know |
29% |
22% |
14% |
0% |
67% |
Total |
100% |
100% |
100% |
100% |
100% |
* Note: columns may not sum exactly to 100 due to rounding error.
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Table 19.10: Home heating method, by household income, Christchurch
| Electric | Gas | Wood burner | Multi-fuel | Open fire | |
|---|---|---|---|---|---|
Non-response |
31% |
38% |
21% |
0% |
11% |
Less than $20,000 |
19% |
3% |
0% |
100% |
22% |
$20,000 to $30,000 |
13% |
14% |
11% |
0% |
0% |
$30,000 to $40,000 |
15% |
22% |
25% |
0% |
44% |
$40,000 to $50,000 |
5% |
11% |
14% |
0% |
11% |
$50,000 to $70,000 |
6% |
8% |
11% |
0% |
11% |
$70,000 to $100,000 |
9% |
3% |
11% |
0% |
0% |
More than $100,000 |
3% |
3% |
7% |
0% |
0% |
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Table 19.11: Home heating method, by age of dwelling, Christchurch
| Age of dwelling | Electric | Gas | Wood burner | Multi-fuel | Open fire |
|---|---|---|---|---|---|
10 years or less |
22% |
19% |
4% |
0% |
11% |
11–20 years |
14% |
8% |
7% |
0% |
0% |
21–40 years |
24% |
16% |
21% |
0% |
11% |
41+ years |
32% |
46% |
64% |
100% |
78% |
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Table 19.12: Home heating method, by number of bedrooms, Christchurch
Number of bedrooms |
Electric |
Gas |
Wood burner |
Multi-fuel |
Open fire |
|---|---|---|---|---|---|
1 |
12% |
0% |
4% |
0% |
44% |
2 |
44% |
24% |
25% |
0% |
22% |
3 |
33% |
59% |
46% |
100% |
0% |
4 |
8% |
16% |
18% |
0% |
22% |
5 |
2% |
0% |
4% |
0% |
11% |
6 |
0% |
0% |
4% |
0% |
0% |
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