Environmental Real Estate Certifications

Acquisition of Environmental Real Estate Certification for Fixed Assets

We promote environmental and social considerations in our revitalization and development real estate, and actively acquire environmental real estate certifications such as "BELS (Building Energy Efficiency and Leasing System)", "DBJ Green Building Certification", and "CASBEE (Comprehensive Assessment System for Built Environment Efficiency)" to demonstrate the performance of our real estate to our stakeholders. The progress rate of acquisition of environmental real estate certification for fixed assets is as follows.

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Item [Unit] FY2020 FY2021 FY2022 FY2023 FY2024
Newly certified properties
total floor space [㎡]
3,276 1,583 21,805 15,307 2,851
Cumulative number of certified properties 2 3 5 8 10
Cumulative total floor area of certified properties [㎡] 7,791 9,374 31,178 46,486 49,337
Percentage of certification progress 10% 10% 29% 40% 42%
  • *
    The certification progress rate refers to the percentage of the total floor area of properties that have acquired "BELS (Building Energy Efficiency and Leasing System)" or "DBJ Green Building Certification".
  • *
    The certification progress rate is calculated based on the total floor area excluding properties that cannot be certified due to reasons such as planned sale, condominium ownership, or lack of management authority.
  • *
    As of April 5, 2024

DBJ Green Building Certification

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Property name External appearance Rank Year of acquisition Total floor area
Toranomon Tosei Building
DBJ Green Building 2022

★★(2 Star)

May, 2023
(reacquisition)
4,515.24㎡
Koishikawa Tosei Building
DBJ Green Building 2022

★★(2 Star)

May, 2023
(reacquisition)
3,275.97㎡
Tamachi Tosei Building
DBJ Green Building 2021

★★(2 Star)

May, 2022 15,722.40㎡
Narimasu Tosei Building
DBJ Green Building 2023

★★★(3 Star)

October, 2023 10,459.63㎡
What is DBJ Green Building Certification?

DBJ Green Building Certification is a certification system established by the Development Bank of Japan (DBJ) in April 2011 to serve as a bridge between businesses, financial institutions, and investors through the evaluation of environmentally and socially conscious real estate. In addition to the environmental performance of the building, the program supports ESG initiatives for existing buildings through a comprehensive evaluation that includes consideration of the social demands of the various stakeholders surrounding the property.

BELS (Building-Housing Energy-efficiency Labeling System)

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Property name External appearance Rank Year of acquisition Total floor area
Awajicho Tosei Building

★★★(3 Star)

May, 2021 1,582.79㎡
Shinden Logistics

★★★★(4 Star)

December, 2021 6,384.27㎡
Yotsuya Tosei Building

★★★(3 Star)

April, 2022 3,417.27㎡
Toranomon Tosei Building

★★(2 Star)

April, 2022 4,515.24㎡
T's Logi Sano

★★★★★(5 Star)

August, 2022 26,937.68㎡
T's Logi Ome

★★★★★(5 Star)

October, 2022 27,975.48㎡
Narimasu Tosei Building

★★★★(4 Star)

May, 2023 10,459.63㎡
Koishikawa Tosei Building

★★★(3 Star)

May, 2023 3,275.97㎡
Fujisawa Tosei Building

★★★(3 Star)

March, 2024 1,966.14㎡
Edogawabashi Tosei Building

★★★★★(5 Star)

March, 2024 1,060.64㎡
Nakanosakaue Tosei Building (Former Daishin NS Building)

★★★(3 Star)

October, 2023 1,790.74㎡
What is BELS (Building-Housing Energy-efficiency Labeling System)?

BELS (Building-Housing Energy-efficiency Labeling System) is one of the third-party certification systems based on the "Guidelines for Energy Efficiency Labeling of Buildings (Guidelines for Labeling Energy Consumption Performance of Buildings)" established by the Ministry of Land, Infrastructure, Transport and Tourism.

CASBEE (Comprehensive Assessment System for Built Environment Efficiency)

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Property name External appearance Type of certification Rank Year of acquisition Total floor area
Heiwajima Tosei Building
CASBEE for New Construction

Rank A

May, 2009 14,449.47㎡
Kamata Tosei Building
CASBEE for New Construction

Rank A

December, 2009 8,354.58㎡
Toranomon Tosei Building
CASBEE for Real Estate

Rank A

September, 2015 4,515.24㎡
What is CASBEE (Comprehensive Assessment System for Built Environment Efficiency)?

CASBEE (Comprehensive Assessment System for Built Environment Efficiency) is a system for evaluating the environmental performance of buildings. In addition to aspects of environmental load reduction such as energy saving, resource saving, and recycling performance, it also includes consideration of indoor comfort, landscape, and biodiversity, and is a comprehensive check from a broad perspective.

  1. *
    The above includes sold properties and properties for which certification has expired.