MAXIMUM LEVEL OF SUSTAINABILITY
LEED PLATINUM CERTIFICATION
Castellana 81 is LEED Platinum Core & Shell certified, making it the first office building on Paseo de la Castellana to achieve the top level of sustainability under the LEED certification system awarded by the US Green Building Council (USGBC).
This distinction positions Castellana 81 as an outstanding, innovative sustainable building delivering high levels of well-being and comfort for its occupants.
LEED is the fastest growing sustainability certification system. Its aim is to promote green buildings.
Key aspects of certification
SUSTAINABLE LOCATION
Castellana 81 has obtained the maximum score for availability of short-distance public transport (metro, train and bus), as well for promoting bicycle, efficient vehicle or shared vehicle transport by allocating specific spaces in the car park.
REDUCING THE HEAT ISLAND EFFECT PRODUCED BY THE BUILDING
The roof has been painted white, thus reducing the building's heat emission and helping to reduce its impact on the urban microclimate.
CONNECTION TO THE NATURAL OUTDOOR ENVIRONMENT
Transparency and views for occupants have been enhanced. 95% of workers have access to quality views of the outdoor environment.
WATER EFFICIENCY
The building achieves a 42% reduction in the consumption of sanitary and tap water compared to a comparable building. It is also landscaped with indigenous plants that do not need irrigation.
OPTIMAL AIR QUALITY
Guaranteed by the use of finishing materials with very low emission levels of volatile organic compounds, as well as high efficiency air filtration systems and ambient CO2 sensors.
NATURAL LIGHTING
Castellana 81 offers optimal levels of daylight and glare control through solar control glazing and shading systems.
ENERGY EFFICIENCY
Castellana 81 consumes 13.5% less energy per year than a conventional building of the same use and similar surface area. The lighting system consumes 50% less. 30 photovoltaic panels for electricity generation and a hot water system using 24 solar thermal energy panels are installed on the roof.
GOOD VENTILATION AND COMFORT
The building has a good outdoor air flow in all areas of regular activity, as well as the option of users being able to control the air conditioning system, guaranteeing indoor comfort at all times.
MATERIALS AND RESOURCES
Castellana 81 has a 55 m² waste management room and a high percentage of recycled (11.5%) and regional (31%) materials have been used in renovation work on the building.