dissecting the 'charter cliff' in 2025: A crisis by policy design

"The rental market is drying up." this sighing voice from the real estate market is no mere rant, as the government's 10-15 Real Estate Plan, aimed at curbing speculation and stabilizing household debt, has changed the market's ecosystem forever. The core of the plan was to break the cycle of "gap investment," which is buying a house using a rental deposit as leverage.

specifically, it capped mortgage loans in the regulated area at KRW 600 million, effectively blocking loans for first-time homebuyers to buy additional homes. particularly crucial was the ban on 'subletting conditional on transfer of ownership,' which was a key channel for gap investments. This was a measure to eliminate the practice of finding a tenant first, securing a deposit, and then buying a home. the government also designated major metropolitan areas such as Seoul as "land transaction permit zones," putting a strong brake on home purchases for investment purposes.

the market's reaction was immediate and fierce: with landlords blocked from further investment using rental deposits, they had no incentive to rent out their properties. The result was a sharp contraction in rental supply. In fact, in the month following the announcement of the 10-15 measures, the balance of rental loans at the five largest commercial banks plummeted by a whopping KRW 538.5 billion, the largest decline in a year and a half, a clear indication of how quickly rental supply was removed from the market.

here we witness the 'paradox of regulation'. policies designed to stabilize the market have unintentionally reduced the supply of rentals, creating a "rental cliff" and increasing housing insecurity for renters. more interestingly, as housing-related lending became blocked, the demand for funds shifted elsewhere: personal credit soared by over KRW 1 trillion over the same period, suggesting that, contrary to the policy goal of reducing the total amount of household debt, there was a "balloon effect" in which loan demand shifted to riskier forms of unsecured credit.

dismantling the charter model: from social ladder to systemic risk

the reason the charter market was uniquely vulnerable to this policy shock lies in the inherent structure of the system. originally, rentals were a mutually beneficial model that provided tenants with the opportunity to save money without the burden of rent and landlords with a means to finance their investments interest-free - a precarious balance that only worked on the belief that house prices would continue to rise.

fundamentally, subletting is not a simple rental agreement, but more like a giant non-institutionalized financial system in which landlords make leveraged investments using tenants' security deposits as collateral. this structure serves to absorb and amplify the volatility of the real estate market: in times of rising house prices, rentals rise with them, triggering more gap investments and growing bubbles, and in times of falling prices, it threatens the entire market by triggering "reverse rent-seeking" panics where tenants can't get their deposits back.

the massive charter fraud scandals that have rocked society in recent years have been the result of the weakest link in this system. with fundamental trust in the return of deposits broken, tenants are now beginning to perceive the potential risks as outweighing the economic benefits of subletting, meaning that the fear of losing their deposit is becoming a key variable in the decision-making of market participants, even at the expense of higher housing costs.

ultimately, the crisis in the rental system represents the loss of a function that has served as a "housing ladder" in Korean society for decades. in the past, subletting allowed younger generations to accumulate assets and gain a foothold in homeownership without having to pay rent, but the shift to a rent-driven market cuts off this path of capital accumulation. the fixed monthly outlay of rent reduces disposable income, slowing down asset formation, and could be a prelude to a major social shift that could end up entrenching the "landlord" and "tenant" hierarchy.

the market's verdict: The tide of gentrification is irresistible

the end of subletting is not a foregone conclusion - market data already points to a massive structural shift. subletting's share of the total rental market reached 55% in 2008, but by 2022 it had fallen below 40%. by 2024, rent and quasi-rental contracts will account for 57.6% of the total, showing that renting has already become the "norm" in the rental market.

this shift is also consistent with the outlook of experts. 78% of real estate professionals and 56% of estate agents in the field predict that the share of rent-to-own transactions will continue to grow in 2025. this is a result of the alignment of interests on both sides: tenants' anxiety over unreturned deposits and landlords' preference for stable cash flow.

in fact, South Korea's rental system is unique in the world. the differences become even clearer when compared to rental markets in other developed countries.

by country south Korea (Charter) germany japan united States security deposit structure large sum of money, 50-90% of the home price small deposits equal to 1-3 months' rent small security deposit + honorarium (reakin) and renewal fee security deposit equal to one to two months' rent main features of the scheme leveraging landlord's investment / tenant housing tenant housing stability and security stable source of income for landlords cash flow generation for landlords rent control market self-determination strong local rent caps stable, legislated renewal rate increases market autonomy except in some areas residential stability low (2+2 years), vulnerable to market fluctuations very high (lifetime contracts are common) moderate (2-year renewals are common) low to moderate (varies by state) systemic risk high: Directly linked to real estate and interest rate movements low: Decoupled from financial markets low: Stable, predictable structure low: Individual contract risk, less systemic risk

as this table shows, in most developed countries, the rental system is strictly focused on a 'housing' function and is insulated from the volatility of financial markets. in Korea, on the other hand, the rental system is an anomalous structure that combines an 'investment' function and inherently carries high systemic risk. the turmoil we are currently experiencing is the growing pains of this dysfunctional system returning to a normal rent-based market.

toward a new housing policy in the post-rental era

with the end of the rental era in sight, we must now prepare for a new housing paradigm. In the short term, efforts should be made to tighten the safety net of existing rental contracts by strengthening security deposit return guarantees. but these are symptomatic, not fundamental solutions.

the most important and urgent challenge is to significantly increase the supply of good quality, long-term social rented housing. The government already has a number of policy programs in place, including social rent that converts to sale after 5-10 years, and long-term leases of up to 50 years.the challenge is supply and 'location'. it's worth recalling that in the past, public rental housing has been criticized for being located on the outskirts of urban centers and not being close to work.there is an urgent need for bold urban planning and financial injections to put public rental housing where the demand is, in the urban centers of Seoul and the Seoul metropolitan area, where the shortage is most acute.

policy buffers to ease the housing cost burden for tenants who are experiencing a surge in the transition to renting are also essential. these include expanding the rent tax credit, realizing housing benefits (vouchers) for low-income households, and promoting a "win-win landlord" system that provides tax incentives to landlords for long-term contracts.

finally, we should watch out for the emergence of new market players: as the private landlord-driven rental market declines and the rental market expands, "corporate landlords" that specialize in managing hundreds or thousands of units are likely to emerge as the mainstream of the market - a path already proven in the US and Japan. while these changes can have positive effects in terms of increasing the quality of rental housing and professionalizing management, they can also have negative effects, such as rising rents due to market monopolization. Therefore, tenant protection systems need to be proactively designed and prepared for the new market environment.

the era of subletting is coming to an end. rather than trying to maintain the old system, it's time to embrace change and find new ways to ensure housing security for all. the current disruption is a crisis, but it's also an opportunity to take South Korea's housing culture to the next level.