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The real price tag on a 20-year home loan
Borrow ₹50.0L at 8.5% for 20 years and your EMI looks manageable at ₹43,391 per month. But over 240 months, you'll repay a total of ₹1.0Cr — more than double the original loan. The interest alone is ₹54.1L, which is 108% of the principal. On a 30-year tenure at the same rate, interest balloons to ₹88.0L — 176% of what you borrowed.
How common loan types compare
Four strategies that cut your interest bill
Shorten the tenure
Switching from 25 years to 15 years on a ₹40.0L loan at 9% saves ₹29.4L in interest. Your EMI rises from ₹33,500 to ₹40,500 — but the total cost drops by 40%.
Make annual lump-sum prepayments
Even ₹1.0L prepaid once a year on a ₹50.0L home loan can cut your tenure by 5+ years and save ₹15.0L–₹20.0L in interest. Many lenders waive prepayment penalties on variable-rate mortgages — always confirm before signing.
Negotiate your rate after 12 months
Banks rarely offer existing customers the same rates as new borrowers. After one year of perfect repayment, request a rate reduction or explore a refinance. A 0.5% drop on ₹40.0L over 15 years saves ₹4.3L.
Balance transfer to a lower-rate lender
If your current bank won't budge on rates, transfer the outstanding balance to another bank offering a lower rate. Processing fees are typically 0.5–1% of the outstanding amount — compare this against the lifetime interest savings before deciding.
EMI = P × r × (1+r)n ÷ ((1+r)n − 1)
P = principal · r = monthly rate (annual ÷ 12 ÷ 100) · n = total months
Key Terms
EMI
Equated Monthly Instalment — a fixed payment made to the lender each month that includes both principal repayment and interest.
Principal
The original loan amount borrowed, before any interest charges.
Reducing Balance
Interest calculation method where interest is charged only on the remaining outstanding principal, not the original loan amount.
Tenure
The total duration of the loan in months or years over which EMIs are paid.
Amortization
The process of spreading a loan into a series of fixed payments, where early EMIs are mostly interest and later EMIs are mostly principal.