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Improved from the previous fiscal year |
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Equivalent to the previous fiscal year |
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Got worse from the previous fiscal year |
Policy | Environmental Action Target |
Control Index |
Fiscal 2016 Result |
Fiscal 2021 Target (Change from Fiscal 2016) | Fiscal 2018 Result |
Fiscal 2019 Result |
Assessment | Self-assessment | ||
Reduce CO₂ emissions to build a low-carbon society | Reduce total CO₂ emissions (Scope I, II, and III) | CO₂ emissions per sales (t-CO₂/ ¥100 million) |
344.5 *1 | ▲20% | 280.2 (▲18.7%) |
258.2 (▲25%) |
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Adoption of 120 mm thick high-insulation panels has risen, due to the success of ZEH promotion, increasing CO₂ emissions at each stage of production, transportation and construction. But the CO₂ reduction of ZEH more than offset this rise, leading to total CO₂ emissions of 258 tons per 100 million yen sales for a year-on-year decrease of 8%. We greatly exceeded our target in the remodeling business, thanks to a larger number of projects with significant CO₂ reduction by such measures as improved insulation. | ||
Reduce CO₂ emissions at residential stage | CO₂ emissions per home (t-CO₂/ home) |
6.03 *2 | ▲40% | 4.68 (▲22.4%) |
4.61 (▲23.5%) |
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ZEH supply rate for new single-family homes | ZEH supply rate | 7.5% | 60% | 22% | 31% | ![]() |
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Energy conservation for new multi-dwelling units | CO₂ emissions per home (kg-CO₂/ home・year) |
1,912 | ▲10% | 1,774 (▲7.2%) |
1,779 (▲7.0%) |
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Reduce CO₂ emissions through energy-saving renovation of existing homes | Annual amount of CO₂ reduction (t-CO₂/ year) |
1,371 | 1.3 | 1,143 (0.83) |
2,831 (2.06) |
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Reduce CO₂ emissions at production, transportation, and construction stages | CO₂ emissions per square meter (kg-CO₂/m²) |
37.87 | ▲3% | 37.3 (▲1.5%) |
38.25 (1.0%) |
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Reduce CO₂ emissions from office activities | CO₂ emissions per capita (kg-CO₂/ capita) |
721 | ▲5% | 627 (▲13.0%) |
885 (22.7%) |
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Reduce waste and effectively use resources to build a recycling-oriented society | Reduce waste generated at factory production stage | Volume generated per square meter (kg/m²) | 4.45 | ▲3% | 4.59 (▲3.1%) |
4.15 (▲6.7%) |
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At the factory production stage, we steadily reduced the volume of waste through streamlined production and progress in recycling. At new home construction sites, the volume of waste per floor area increased slightly, due to a decrease in large-scale apartment projects and an increase in projects building homes on small lots in urban areas. Nevertheless, the availability of long-life quality housing improved for both single-family homes and multi-dwelling units. Such housing extends buildings’ longevity and minimizes the need for demolition work, which generates large amounts of waste. |
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Reduce waste generated during construction for new homes (average of wooden and steel frame homes) | 23.02 | ▲10% | 22.52 (▲2.2%) |
23.73 (3.1%) |
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Reduce waste and effectively use resources by expanding long-life quality housing and extending building longevity | Product ratio | 36% (3,820) |
60% | 52.6% *3 (4,116) |
55.6% (4,087) |
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Promote long-life quality of new single-family homes | Product ratio | 50.4% (3,803) |
80% | 60.3% *3 (4,105) |
60.8% (4,076) |
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Promote long-life quality of new multi-dwelling units | Product ratio | 0.6% (17) |
5% | 1.0% *3 (11) |
1.7% (11) |
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Reduce waste and effectively use resources by increasing distribution of existing homes | Sales of existing home business (¥100 million) |
37 | 50 | 37.9 | 35.4 | ![]() |
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Emphasize biodiversity to build a society in harmony with nature | Promote procurement of certified lumber | Lumber procurement rate | 81% (Structural material) |
Expand target to non-structural materials (target value unknown) | 80% (Structural material) | 80% (Structural material) |
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The procurement rate for certified lumber remains high. The amount of certified environmentally friendly housing,particularly subdivision homes, was up from last year. This applies to homes that satisfy such criteria as the greening rate. |
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Promote environmentally symbiotic housing | Number of approved homes | 271 | 500 | 200 | 254 | ![]() |
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Establish safe, comfortable,healthy living environments | Reduce use of chemical substances subject to PRTR system at production stage | Usage per square meter (g/m²) |
15.7 | ▲10% | 14.1 (▲10.2%) |
18.92 (20.5%) |
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The use of adhesives increased at factories producing components, due to a change in specifications for fixture materials. But safety was maintained at all factories with environmental ISO certification by carefully controlling chemical substances. We added the M-Smart (Wellness) City concept to three additional locations in Japan, including a condominium complex in Urayasu that offers senior care services. |
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Reduce volume of VOCs emitted in indoor environments | Compliance rate to VOC standards | 95% | 100% | 95% | 95% | ![]() |
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Promote development of M-Smart (Wellness) City | Number of developed properties (project) |
2 (6, in total) |
Increase annually | 4 (12, in total) |
3 (15, in total) |
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*1 Results for fiscal 2016 were changed to reflect the addition of Scope 3 calculation categories.
*2 Emissions in an ordinary home.
*3 Results for fiscal 2018 were changed due
to changes in the calculation method.