The National Conference on Built Environment Innovation (KN-ILT) is a national conference organized by the Faculty of Civil Engineering and Planning (FTSP), Universitas Islam Indonesia (UII) every 2 years. When it was first held in 2009, this conference was called Innovation on Built Environment (IBE). Along the way, this conference changed its name to the National Conference on Built Environment Innovation (KN-ILT).

The built environment is characterized by the dominance of man-made structures to support the activities of the population above it. The community's need for life facilities also results in an increase in the area of ​​built-up land in an area. The functions of infrastructure that stands in the built environment include health, office, worship, education, housing, and trade in goods and services. Harmonization between social, environmental, and economic aspects with infrastructure in a smart built environment is needed to create added value to the built environment and be sustainable.