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Check Affordability First
Compare EMI with take-home salary and emergency fund needs before stretching the tenure. A common rule of thumb is to keep all EMIs together within about 30–40% of monthly take-home, but your own fixed costs and job stability matter more than any rule.
A lower EMI can ease cash flow, but it usually raises total interest. On a ₹50 lakh loan at an illustrative 8.5%, the EMI is about ₹43,391 over 20 years and ₹38,446 over 30 years, while total interest rises from about ₹54 lakh to about ₹88 lakh.
Plan The Upfront Cash
Lenders don't fund the full property price. RBI loan-to-value limits allow up to 90% of the property value for loans up to ₹30 lakh, 80% for loans above ₹30 lakh and up to ₹75 lakh, and 75% above that. Many lenders fund less.
Stamp duty and registration are usually paid from your own funds, and the rates vary by state, city and buyer type. Budget for them, plus legal checks, brokerage, interiors and moving, before deciding how much to put down.
Model Prepayments
Early prepayments usually save more interest because the outstanding principal is higher. In the same ₹50 lakh, 20-year example, a one-time ₹5 lakh prepayment in month 24 saves about ₹14.6 lakh of interest, while the same amount in month 120 saves about ₹5.7 lakh.
Compare monthly, yearly and one-time prepayment strategies before using bonuses or savings. A steady ₹1 lakh every year cuts total interest by about ₹18.6 lakh and finishes the loan about six years early, assuming the lender reduces tenure rather than EMI.
For floating-rate home loans taken by individuals, RBI rules don't allow prepayment or foreclosure penalties. Fixed-rate loans may carry charges, so read the sanction letter.
Understand Rate Resets
Most floating-rate loans are linked to an external benchmark such as the repo rate, plus a spread. When the benchmark moves, the lender may change the EMI, the tenure or both. Ask which applies, because a quietly extended tenure can add years of interest.
Do Not Ignore Friction Costs
Stamp duty, registration, maintenance, interiors, brokerage and moving costs can change the rent-vs-buy result.
Tax benefits help only when you are eligible and the regime supports them. Under the old regime, interest on a self-occupied home can reduce taxable income by up to ₹2 lakh a year and principal counts within the ₹1.5 lakh 80C limit. The new regime gives no deduction for a self-occupied home, so don't count on a saving you won't get.
Common Mistakes And Tools
Borrowing the full sanctioned amount, emptying the emergency fund for the down payment, ignoring the processing fee and its 18% GST, and comparing lenders only on the headline rate are the most common slips.
Use the Home Loan Calculator for EMI and the amortisation schedule, the Prepayment Strategy Calculator to test bonus or monthly top-ups, and the Rent vs Buy Calculator while you are still deciding whether to buy at all.