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Maximize Your Real Estate Value: Insights on BELS and CASBEE

In recent years, ESG (Environmental, Social, and Governance) investing has gained significant attention, leading to an increased emphasis on transparency regarding environmental efforts. In the real estate sector, the acquisition of environmental certifications, such as BELS and CASBEE, which assess and rank the environmental performance of green buildings, is on the rise. As we look to the future, it will no longer suffice to merely obtain these certifications; strategically leveraging them for enhancing real estate value will become crucial.

To address this, the Environmental and Energy Calculation Center, having supported the acquisition of environmental certifications for over 3,000 properties, will host its third online seminar on September 9, 2025. The theme of the seminar will be "Maximizing Real Estate Value: Optimizing Portfolios through BELS and CASBEE Strategies." Leading this session will be Keisuke Onoshi, the CEO of the center, who has extensive experience in both architecture and investment management, alongside Tatsuya Hayashi, associate professor at Chiba University and a key member of the CASBEE development team.

The seminar will target participants from REITs, real estate funds, property management companies, and business enterprises, providing them with valuable insights. We encourage those interested in the seminar to consider attending for this enriching experience.

Seminar Overview

• - Seminar Name: Maximizing Real Estate Value: Optimizing Portfolios through BELS and CASBEE Strategies

Join Here

• - Target Audience: REITs, real estate funds, property management companies, and business entities (please note that competitors may be restricted from attending)
• - Date and Time: September 9, 2025, from 15:00 to 16:30 (JST)
• - Speakers:

- Keisuke Onoshi, CEO, Environmental and Energy Calculation Center
- Tatsuya Hayashi, Associate Professor, Chiba University

• - Format: Online (via Zoom Webinar) - Please register in advance through our website
• - Participation Fee: Free

Seminar Content

Part 1: Strategic Utilization of Environmental Certifications for Property Value Enhancement

Speaker: Keisuke Onoshi (15:00 – 15:30)

• - Topics Covered:

- The importance of ESG investing in real estate and the role of environmental certifications
- Current state of environmental certification acquisition and future outlook
- Overview of BELS and CASBEE environmental certifications
- Explanation of subsidy systems that can be used to acquire environmental certifications

Part 2: Strategic Utilization of CASBEE Evaluation Criteria

Speaker: Tatsuya Hayashi (15:30 – 16:00)

• - Topics Covered:

- Detailed explanation of CASBEE evaluation criteria (Q: Environmental Quality, L: Environmental Load)
- Concrete design and operation strategies to enhance CASBEE scores
- Strategies for portfolio optimization using CASBEE and future outlook

Part 3: Q&A Session

(16:00 – 16:30)

• - An interactive session where participants can ask questions
• - Participants who complete a questionnaire after the seminar will receive the presentation materials and a Q&A list as a special incentive.

Speakers’ Profiles

Keisuke Onoshi

CEO of the Environmental and Energy Calculation Center (HorizonXX, Inc.)
Keisuke Onoshi graduated from Nihon University with a degree in architecture and went on to pursue real estate science at the graduate level. Initially employed at a major domestic securities firm, he specialized in real estate securitization. After gaining experience in significant foreign firms, he became independent in 2012 and took the helm of HorizonXX, where he foresaw the growth of the energy calculation and environmental certification market, establishing the Environmental and Energy Calculation Center in 2019. He now handles around 1,000 cases of energy calculations and environmental certification support annually, and he also offers the "Energy Calculation School" to foster new talents in the field.

Tatsuya Hayashi

Associate Professor, Chiba University / Technical Advisor, Environmental and Energy Calculation Center
Tatsuya Hayashi has held key roles in committees to promote ESG real estate investments since 2017 and was involved as a committee member in the development of CASBEE since 2006. He served as the lead developer for the CASBEE-Wellness Office in 2019, focusing on evaluating the health and productivity contributions of buildings.

About the Environmental and Energy Calculation Center

• - URL: CEEC
• - Operating Company: HorizonXX, Inc.
• - Representative: Keisuke Onoshi
• - Location: 〒171-0022 Tokyo, Toshima City, Minami Ikebukuro 3-15-11
• - Affiliations: Tokyo Architects Association, Green Building Japan (GBJ), RE-SEED, Sustainable Urban Development Association, Air Conditioning and Sanitary Engineering Association, Initiative for Environmental Co-creation, Association for Housing Performance Evaluation and Display.