Environment Initiatives

External Assessment and Green Building Certification

External Assessment and Green Building Certification

Green Building Certification

Acquisition of Highest Rank in CASBEE Real Estate Certification System
The Comprehensive Assessment System for Built Environment Efficiency (CASBEE) was established under the leadership of the Ministry of Land, Infrastructure, Transport and Tourism to appropriately identify and evaluate profit-oriented real estate such as office buildings which are well managed and have high environmental performance and value.
It evaluates five categories, namely “energy and greenhouse gases,” “water,” “resource use and safety,” “biodiversity and site” and “indoor environment,” considering indices that are common around the globe such as LEED, an international environmental certification system.

MHR acquired rank S (the highest rank) ratings for Roppongi Hills Mori Tower, ARK Mori Building, Atago Green Hills (MORI Tower) and Toranomon Hills Mori Tower and a rank A rating for Koraku Mori Building.
MHR properties which have received ratings for the CASBEE real estate certification system
Roppongi Hills Mori Tower

Roppongi Hills Mori Tower

ARK Mori Building

ARK Mori Building

Atago Green Hills
MORI Tower

Atago Green Hills (MORI Tower)

Koraku Mori Building

Koraku Mori Building

MHR properties which have received ratings for the CASBEE new construction certification system
Toranomon Hills Mori Tower

Acquired Highest Rank in DBJ Green Building Certification

DBJ Green Building Certification is a certification system of the Development Bank of Japan Inc. to evaluate advanced measures by businesses that provide real estate having both high environmental and social awareness. ARK Hills South Tower acquired certification ranking of “Properties with the best class environmental & social awareness,” the highest rank.


ARK Hills South Tower

External Assessment

Acquired GRESB Green Star Rating for 6 Consecutive Years

In the 2017 GRESB Survey, MHR received a Green Star rating for the sixth consecutive year, and received 4 Stars in the GRESB Rating.

GRESB is a benchmark that measures the sustainability performance of real estate companies and real estate management institutions based on an annual questionnaire survey conducted by the GRESB foundation, composed primarily of European pension fund groups, and aims to improve shareholder value (economic performance) by increasing the transparency of the environmental and social aspects of the real estate sector. The “Green Star” rating is the highest rating category among the 4 ranking categories.