The importance of sustainability certifications in the real estate sector
Sustainability has ceased to be just a trend, to become a global priority affecting all sectors of the economy, namely the real estate segment. In the context of the global goals established by the United Nations Sustainable Development Goals (SDGs) and the increasing requirements related to ESG (Environmental, Social, and Governance) criteria, the real estate sector has a responsibility to promote sustainability on several fronts.
It is well known that the construction and operation of buildings represent a significant portion of global resource consumption and greenhouse gas emissions, which places this sector at the forefront of environmental challenges, including as an example for other sectors. Additionally, the need to create healthy and efficient environments makes sustainability an imperative for the future of cities and buildings. At the macro level, to address climate and urban challenges, and at the micro level, to promote the well-being of building occupants and the resilience of communities. Energy efficiency, responsible use of resources and the creation of healthy environments are crucial, since, in addition to reducing environmental impact, they will provide quality of life, focusing on the health, comfort and productivity of users
The challenges are many: the increase in the carbon footprint in urban areas, the scarcity of natural resources, issues related to health and human well-being, the growing demand for transparency and social responsibility in business practices, and so many others discussed over the last few decades.
In this scenario, sustainability certifications, such as LEED, WELL, BREEAM, SmartScore, and WiredScore, play a vital role, providing metrics and standards that guide the industry in applying and promoting more responsible and innovative practices. These certifications align with ESG principles, ensuring that real estate assets meet the highest standards of environmental, social and governance performance.
The Castro Group, aware of this responsibility, has invested transparently and continuously in these certifications, ensuring that its real estate projects not only contribute to a more sustainable future, but also create value for all stakeholders involved.
In this article, explore in detail each certification adopted by the Castro Group:
- LEED, which focuses on energy efficiency and the use of sustainable materials;
- WELL, which focuses on the health and well-being of the occupants;
- BREEAM, which comprehensively assesses sustainability, including environmental and social impact;
- SmartScore and WiredScore, which guarantee the digital infrastructure of buildings, essential for intelligent and efficient operation.
Certifications
LEED
Created by the U.S. Green Building Council (USGBC) in 1998, LEED certification is one of the most recognized in the world, promoting sustainability from design to building operation. Its objective is to improve environmental performance, in terms of energy efficiency, in the use of sustainable materials, in efficient water management and in internal environmental quality.

BREEAM
BREEAM was created in the United Kingdom in 1990 and is one of the oldest and most internationally recognized certifications for the assessment of the sustainability of buildings. Similar to the LEED certification, it analyzes several factors, including management, energy, health, well-being, transportation, water, materials, waste, land use, ecology, and pollution.

WELL
Launched in 2014 by the International WELL Building Institute, also created by the U.S. Green Building Council (USGBC), it aims to transform buildings and organizations in order to promote people's health and well-being. Thus, this certification intervenes in the design, protocols and operational policies, in areas such as air, water, nutrition, light, fitness, comfort and mental health.

SmartScore and WiredScore
With the growing importance of digitalization in the real estate sector, SmartScore and WiredScore certifications emerge as a Standard which makes it possible to design buildings prepared for the technological needs of the present and the future.
A WiredScore certification, launched in 2013, recognizes and promotes digital connectivity in buildings, including assessment criteria such as mobile connectivity and Wi-Fi, ensuring that they have the better infrastructures for companies and individuals. Already the SmartScore certification, introduced in 2021 by the same entity, recognizes and promotes intelligent, technologically advanced buildings that provide exceptional experiences, promoting operational and energy efficiency, through solutions Smart.

Sustainability in the real estate sector goes far beyond the construction of efficient buildings. It encompasses the creation of spaces that promote well-being, health, connectivity, and long-term sustainable development.