Real Estate & Tax ยท ๐ฐ๐ท Korea
First-Time Homebuyer Special Loan Simulator
Eligibility, limit, and rate comparison across 5 Korean policy mortgages (Didimdol, Newborn, Bogeumjari, etc.).
About this tool
First-Time Homebuyer Special Loan Simulator diagnoses eligibility for five Korean policy mortgages โ Didimdol, Bogeumjari, Newborn Special, First-time LTV 80%, and Youth Home Dream โ and ranks the qualifying products by limit, rate, and 30-year total cost. Enter joint income, number/age of children, marriage-registration date, no-home status, home price, and region (capital area / non-regulated / regulated), and it surfaces Didimdol (couples โค โฉ60M, โฉ200M cap), Bogeumjari (couples โค โฉ130M, โฉ360M cap), and the Newborn Special (couples โค โฉ200M, โฉ500M cap, from 1.6%) in priority order, applying cumulative preferential-rate add-ons (multi-child, youth, newlywed). DSR exposure is cross-checked against the stressdsr tool. All inputs stay in the browser.
Use cases
Scenario 1
Newborn Special eligibility
A couple with a child under 2 and โฉ180M joint income on a โฉ700M home checks instantly whether the Newborn Special โฉ500M cap at 1.6% applies.
Scenario 2
Didimdol vs Bogeumjari pick
A no-home newlywed couple at โฉ55M joint income buying a โฉ300M home gets Didimdol (โฉ200M) vs Bogeumjari (โฉ360M) auto-ranked by 30-year total cost.
Scenario 3
First-time LTV 80% leverage
A first-time buyer with 20% equity on a โฉ400M apartment in a non-regulated capital area checks whether LTV 80% applies and how much it lifts the cap.
Scenario 4
Dual-income DSR cross-check
Even after the policy cap clears, Stress DSR 40โ50% can trim the actual draw โ verify with the stressdsr simulator to confirm the real number.
Scenario 5
Stacked preferential-rate sim
When newlywed 0.2pp + multi-child 0.3pp + youth 0.2pp can stack, compare the floor rate and 30-year savings against the base rate.
Features
- 5 policy loans diagnosed at once (Didimdol, Bogeumjari, Newborn, First-time, Youth)
- Newborn Special (โฉ200M income, โฉ500M cap, 1.6%) surfaced first
- Auto LTV split: 70% in regulated areas / 80% non-regulated
- Stacked preferential rates (newlywed, multi-child, youth) auto-applied
- Auto-rank by 30-year total cost to pick the #1 product
- Cross-link with stressdsr to verify the DSR ceiling
- Shareable URL โ send to spouse or banker in one click
Frequently asked
- Q. Didimdol vs Bogeumjari โ what is the difference?
- A. Didimdol targets lower-income households (couples โค โฉ60M, โฉ200M cap); Bogeumjari covers the middle band (couples โค โฉ130M, โฉ360M cap). When both qualify, the tool ranks by cap, rate, and total cost.
- Q. Is the Newborn Special always the best?
- A. Usually yes. It allows joint income up to โฉ200M, caps at โฉ500M, and starts at 1.6%. The catch: a child under 2 is required, so the window is short.
- Q. Where does the First-time LTV 80% apply?
- A. Up to 80% of home price in non-regulated capital and provincial areas. Regulated zones (Gangnam-3, Yongsan, etc.) are capped at 70%; the tool auto-splits by the region you enter.
- Q. How is the 7-year newlywed window measured?
- A. Counted from the marriage-registration date (not the wedding). The tool compares that date to today and decides eligibility automatically.
- Q. Can dual-income DSR cap me lower than the policy limit?
- A. Yes โ Stress DSR (40โ50% in capital areas) still applies. This tool checks eligibility only; cross-verify the draw cap with stressdsr.bal.pe.kr.
Sources / references
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How we run it / disclaimer
This tool is advisory and does not constitute legal, tax, medical, or financial advice. All calculations and document generation run in your browser; inputs are never sent to a server. Ads follow Google AdSense policy and are kept separate from tool accuracy.