Seoul apartment prices surged by 8.71% in 2025, marking the sharpest annual increase in 19 years and exceeding the previous peaks set during the Moon Jae-in administration. Despite a series of stringent government regulations, chronic supply shortages and concentrated demand in premium districts drove the market to record levels.
According to data released by the Korea Real Estate Board on January 1, 2026, the cumulative annual increase in Seoul's apartment sales price index for 2025 reached 8.71%. This represents the highest growth rate since 2006, when prices skyrocketed by 23.46% during the Roh Moo-hyun administration. The market maintained an upward trajectory for 47 consecutive weeks through the final week of December.
Regional Breakdown: The Rise of the "Han River Belt"
The price hike was most pronounced in the "Gangnam 3-gu" districts and the "Han River Belt," fueled by accessibility to the city center and high expectations for reconstruction projects.
Songpa District recorded the highest growth at 20.92%, nearly triple its 2024 growth rate of 7.54%.
Seongdong (19.12%) and Mapo (14.26%) followed closely.
Other major districts exceeding a 10% increase included Seocho (14.11%), Gangnam (13.59%), and Yongsan (13.21%).
In the Gyeonggi metropolitan area, regions under land-use regulations also saw significant gains. Gwacheon saw a staggering 20.46% increase, while Bundang in Seongnam rose by 19.10%. In contrast, the provincial markets showed a downward trend, with non-metropolitan areas dropping by an average of 1.13%, highlighting a growing polarization between the capital and the rest of the country.
Supply Shortages Drive Market Volatility
Experts point to a severe lack of new housing supply over the past two to three years as a primary driver of the price surge. In 2025, the number of new apartment listings in Seoul plummeted to 12,219 units—approximately half the level of the previous year.
The Korea Housing Institute (KHI) estimates that housing completions in the Seoul metropolitan area this year will remain at 120,000 units, significantly lower than the long-term annual average of 270,000. Looking ahead to 2026, the KHI forecasts a 4.2% rise in metropolitan housing prices, while other research institutes predict a growth range of 2.0% to 3.0%.
Government Response: Impending Supply Measures
With the market showing no signs of cooling in early 2026, the South Korean government is expected to announce a comprehensive supply-side package as early as mid-January.
The upcoming measures are anticipated to include:
Repurposing aging public buildings in urban centers for residential use.
Lifting restrictions on small-scale "Greenbelt" (restricted development) zones.
Utilizing state-owned land to provide tens of thousands of new housing units.
As the government prepares these measures, market observers remain cautious about whether the new supply can be delivered quickly enough to stabilize the surging demand in the capital.
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