Transforming districts into near-zero energy consumption urban areas could be a reality in the next few decades.

The quest towards low energy consumption in city districts requires many changes not only at building level, but also at district level.

Energy consumption in the non-residential sector, such as public and industrial buildings, is typically about 40% higher than in the residential sector.

CARTIF III is a new building that forms part of an applied research institute, called the CARTIF Technology Centre, based in Valladolid, Spain. This building is singular.

Three public non-residential buildings will be revamped during the next four years in three countries with different climates; namely in Turkey, Belgium and Spain.