Jungnang-gu Raises Maximum Floor Area Ratio to 880% in Sangbong Redevelopment Zone

Jungnang-gu announced that the floor area ratio system and mandatory non-residential ratio requirements for the preservation management zone within the Sangbong Redevelopment Promotion District have been revised, following the Seoul Metropolitan Government's official notification Thursday of an amended redevelopment promotion plan and topographic map.

The floor area ratio framework has been overhauled. For general commercial zones whose land-use designations were set or left unchanged before July 1, 2000, the allowable floor area ratio has been raised from the previous ceiling of 800% to a maximum of 880%. The base floor area ratio will be set at or below the level stipulated in Seoul's urban planning ordinance, the allowable ratio at no more than 1.1 times the base, and the upper-limit ratio at up to twice the statutory maximum. Calculation standards have also been updated to add upper-limit floor area ratio incentives tied to measures such as installing subway entrances within a building's lot and obtaining green building and energy efficiency rating certifications.

Also, the mandatory requirement that buildings in commercial and semi-residential zones dedicate at least 10 percent of their floor area ratio to non-residential uses has been waived, allowing Seoul city ordinance provisions to apply instead.

The change reflects a sharp decline in demand for commercial floor space driven by recent shifts in social and retail structures.

Alongside this, the preservation management zone of the Sangbong Redevelopment Promotion District has been temporarily designated as a tourism accommodation special zone. Developers who consult with the Seoul Metropolitan Government in advance and apply for a building permit to construct tourism accommodation facilities by Jan. 4, 2029, will be eligible for an upper-limit floor area ratio of up to 1,040%.

Jungnang-gu District Mayor Ryu Gyeong-gi said the restructuring of the Sangbong Redevelopment Promotion District framework would serve as a catalyst for the Sangbong and Mangu-dong area to advance further as Jungnang-gu's economic, commercial and tourism hub through a rational easing of floor area ratio restrictions. "Based on the revised system, we will lead systematic urban development suited to the characteristics of the area," he added.