Acquisition of Green Building Certifications

CASBEE (Comprehensive Assessment System for Built Environment Efficiency) is a method for evaluating and rating buildings based on their environmental performance and a system for comprehensively evaluating environmental consideration, such as energy saving and use of materials with low environmental impact, as well as the quality of buildings including indoor comfort and consideration for landscape.

Certification for CASBEE for Real Estate was developed with an aim to utilize the results of environmental evaluation of buildings in CASBEE in real estate evaluation, and it rates existing buildings that were completed no less than one year ago based on the four ranks of "Rank S", "Rank A", "Rank B+" and "Rank B".

Certification for CASBEE-Wellness Office is a tool to evaluate the specifications, performance, and efforts of buildings that support the maintenance and promotion of the health and comfort for building users. In addition to factors that directly affect health and comfort for the workers working in the building, factors that contribute to the improvement of intellectual productivity and performance related to safety and security are also evaluated. It is rated into five ranks of "Rank S", "Rank A", "Rank B+", "Rank B-" and "Rank C".

CASBEE details
https://www.ibec.or.jp/CASBEE/english/index.htm

DBJ Green Building Certification Program (the "Program") was launched by Development Bank of Japan Inc. ("DBJ") in April 2011 for the purpose of supporting properties which give proper care to the environment and society ("Green Building"). The program evaluates and certifies properties sought by society and the economy and supports their efforts based on comprehensive assessment while evaluating various factors ranging from properties’ environmental features to their communication with stakeholders, such as disaster prevention and proper care for surrounding communities.

DBJ Green Building details
https://www.dbj.jp/en/service/program/g_building/?sc=1

BELS is a third-party certification system aimed at enabling organizations to fairly and accurately evaluate and label the energy conservation performance of buildings in response to amendments to the Energy Saving Performance Labeling System and related laws and regulations. From April 2024, ratings for non-residential buildings will be displayed in seven levels (from level 0 (no stars) to level 6 (6 stars)) without an expiration date, with the more stars, the higher the energy-saving performance.
ZEB (Net Zero Energy Building) is a non-residential building that aims to achieve zero direct annual energy consumption balance associated with building use by introducing renewable energy after achieving significant energy savings while maintaining the quality of the indoor environment. ZEB indicates higher energy-saving performance under the BELS rating system. There are four rating: “ZEB”, “Nealy ZEB”, “ZEB Ready” and “ZEB Oriented”. “ZEB Ready” indicates an advanced building with a view to ZEB, equipped with high-performance insulation on the exterior and highly efficient energy-saving equipment.

BELS Certification details
https://www.hyoukakyoukai.or.jp/bels/bels.html