Compare your current loan to a new rate — see exact monthly savings and when you break even.
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⚠️ Estimates only. Not financial advice. Consult a licensed professional.
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Most borrowers spend hours comparing rates when taking their original loan, then never revisit the rate for the entire tenure. This is a significant and avoidable financial mistake. Over a 20-year home loan, interest rates move multiple times. Your credit score improves. Better products enter the market. A single well-timed refinancing decision can save a middle-class family ₹3–15 lakhs depending on the loan size and rate improvement achieved.
Refinancing involves switching costs: processing fee at the new bank, legal and valuation charges, and sometimes a prepayment penalty at the old bank. The break-even calculation determines how long it takes for your monthly savings to recover these upfront costs:
Break-Even Months = Total Switching Costs ÷ Monthly EMI Saving
Example:
New bank processing fee (0.5% of ₹35L): ₹17,500
Legal and valuation charges: ₹15,000
Old bank prepayment penalty (1%): ₹35,000 → (check if applicable)
Total switching cost (without penalty): ₹32,500
Monthly EMI saving at 0.5% rate reduction on ₹35L for 15 remaining years: ₹1,850
Break-even: ₹32,500 ÷ ₹1,850 = 17.6 months (< 1.5 years)
With 15 years remaining, total saving = (15×12 − 18) × ₹1,850 = ₹30.5 lakhs
Rate differential of 0.5%+: For loans above ₹20 lakhs with 10+ years remaining, a 0.5% or more improvement in rate typically justifies switching after accounting for all costs. Below 0.25%, the switching costs usually outweigh the savings.
Significant credit score improvement: If your CIBIL score has risen 50+ points since you took the loan (from consistent repayment or other positive credit behaviour), you may qualify for a meaningfully lower rate — even from your existing bank. Request a formal rate review every 2–3 years.
Structural product change: If you took a fixed-rate loan when market rates were low and rates have since risen and then fallen, or if you want to switch from a fixed to a floating rate for future rate-cut benefits, refinancing allows this structural change.
Before switching banks, always write formally to your existing lender requesting a rate reduction. Present market rates from competing banks as evidence. Banks frequently agree to reduce your rate by 0.25–0.5% rather than lose a customer who has maintained clean repayments. This approach costs nothing and takes 7–14 days. It is the most underused refinancing strategy available to Indian home loan borrowers.
1. Calculate break-even using this calculator. If break-even is within your remaining tenure, proceed.
2. Collect written rate-approval letters from at least 3 competing banks.
3. Present these to your current bank — request a formal rate match.
4. If switching: apply formally to the new bank with KYC, income proof, and 12 months bank statements.
5. New bank issues approval and pays off your old loan directly via RTGS.
6. Collect original property documents from old bank within 30 days of closure (critical — do not skip this).