Rental deal in Seoul: ₩1,159,000,000 purchase, ₩3,343,000/month — sanity check?

T

theo_cedar

Property investor
Established
If the rent slips or the villa sits empty, this deal has very little cushion. I am looking at a 2-bed villa in Seoul priced at ₩1,159,000,000, with projected rent of ₩3,343,000 a month. That is about 3.5% gross, and I have not relied on appreciation to make the purchase work.

I have allowed for management, ordinary upkeep and some vacancy, but I am less confident about insurance, ownership costs and the effect of financing. Nearby supply could also put pressure on both rent and occupancy. What Seoul-specific expense should be tested more aggressively, and how much would you deduct from achievable rent when running a cautious case?
 
The gross calculation is about right: annual rent is ₩40,116,000, or roughly 3.46% of the purchase price. That leaves limited room for error. I would focus on acquisition costs, property tax, insurance and the full cost of tenant turnover—not just vacant months, but cleaning, repairs and reletting. Are you calculating yield on the purchase price alone or your total cash invested?
 
A major missing fact is the lease structure. Does the ₩3,343,000 monthly rent come with a tenant deposit, and how large is it? The deposit can change the economics and cash requirements, so monthly rent alone is not enough for a comparison. I’d also verify that the quoted rent is achievable for this exact villa rather than inferred from broader neighbourhood listings.
 
I’d actually worry more about supply and rent durability than one underestimated expense. Maintenance can be given a larger reserve; weak demand affects both rent and exit value. Run cases with lower rent, a longer vacancy between tenants and recurring turnover. If the deal stops working under a modest rent reduction, the 3.5% headline yield is doing too much of the sales work.
 
Agreed on testing the rent, though costs still matter because the margin is so narrow. One percentage point of yield on ₩1,159,000,000 equals ₩11,590,000 a year—almost 29% of the stated annual rent. Taxes, insurance, management, maintenance and vacancy do not need to be individually dramatic to pull the result down sharply. Financing would magnify that sensitivity if debt is involved.
 
Rather than choosing an acceptable net yield after seeing the deal, set the hurdle first and work backwards. For illustration, a 3% net yield requires ₩34,770,000 of annual net income. Against ₩40,116,000 gross rent, that leaves only ₩5,346,000 for every recurring cost and vacancy allowance. That seems tight unless several costs are unusually low and supported by actual quotes.
 
My next step would be a one-page reconciliation: confirmed lease terms and deposit, realistic collected rent, management quote, insurance quote, property-tax estimate, expected turnover costs, building-level repair exposure and financing under a higher-rate scenario. Use total acquisition cost as the denominator. Seoul-specific tax and lease treatment should be confirmed locally, but the figures already suggest this needs unusually stable occupancy to justify itself without appreciation.
 
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