The building-to-land ratio is called the building coverage. Depending on the use of the area, the building coverage may differ. However, construction must not exceed the determined building coverage as described below (Art. 77 of the Act on the Utilization and Management of the National Territory):

– Residential area: private use (50%), general type 1 and 2 (60%), general type 3 (50%)
– Commercial area: center (90%), general (80%), neighborhood (70%), distribution
(80%)
– Industrial area: 70%
– Green belt area: 20%
– Administrative area: maintenance and production (20%), planning (40%)
– Agriculture & forestry area: 20%
– Natural environment area: 20%
– Village, natural park and park conservation area, agriculture & industry complex: 60%
– Development promotion site, marine conservation area: 40%
– National industrial complex & local industrial complex: 80%