National’s investment policies and approach include sustainable development and management practices to help realize long-term investment returns through more efficient operations and healthier, more attractive building environments for tenants and their employees.

National’s 2018 Sustainability Report

National’s 2017 Sustainability Report

National’s 2016 Sustainability Report

CLICK HERE to view National’s Sustainability Policy

CLICK HERE to view National’s 2017 Assurance Statement



National is a member of GRESB, a benchmarking and reporting framework focused on the real estate industry. GRESB ranks companies on both quantitative and qualitative metrics, from energy and water consumption to policies and management as a measure of sustainability performance. National’s goal is to reduce energy consumption by 5% over the next five years in our portfolio.

Please CLICK HERE here for environmental objectives.

Please CLICK HERE to view the award criteria for GRESB.

National is a proud member of the U.S. Green Building Council®.