Suspected gap investment transactions for apartments in Seoul rose more than 50% over a year to about 7,000. Among all age groups, people in their 30s had the most suspected gap investment transactions, and their growth rate was also the highest.
According to data that Democratic Party of Korea lawmaker Moon Jin-seok (National Assembly Planning and Finance Committee) received from the Ministry of Land, Infrastructure and Transport on Dec. 2, the number of apartment transactions in Seoul suspected of gap investment from Nov. 2024 to Oct. 2025 totaled 6,680. That was up 54.6% from the same period a year earlier (4,320).
A suspected gap investment transaction is one in which the acquired dwellings have both a jeonse deposit and a financial institution loan, and the move-in plan is marked as "lease."
Among the 25 districts, Seongdong District had the most suspected gap investment transactions, with 728. It was followed by △Gangdong District (656) and △Mapo District (630).
Looking at the year-on-year change (rate of change), Seongdong District rose the most with 362 (98.9%), followed by Dongjak District 347 (142.8%), Mapo District 345 (121.1%), Gangdong District 330 (101.2%), and Yeongdeungpo District 210 (94.6%).
Districts where suspected gap investment transactions fell from a year earlier numbered seven, including Seocho District (379), Songpa District (337), and Gangnam District (371).
By age group, people in their 30s accounted for the most with 3,095, followed by those in their 40s (2,366), 50s (833), 60s and older (224), and 20s (162).
Suspected gap investment transactions by people in their 30s accounted for 46.3% of the annual total last year. Among those in their 30s, suspected gap investment transactions climbed by 1,272 (69.8%) in one year, the steepest increase.
Moon said, "As gap investing with jeonse is shifting to certain districts and the younger generation, the government should strengthen real transaction monitoring and prepare response measures."