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EMI, prepayment and balance transferChecked 12 November 2026

Tenure versus EMI: what a longer loan really costs

Compare 10, 15, 20, 25 and 30 year home loans side by side, see how much a lower EMI costs in total interest, and choose a tenure you can actually live with.

Last checked: 12 November 2026. Rates, fees and rules change; check the linked sources before you act.

When a lender asks how long you want to borrow for, the question sounds administrative. It is one of the biggest money decisions in the whole purchase. The tenure decides both your monthly EMI and how much you pay the bank over the life of the loan, and the two move in opposite directions.

The same loan over five tenures

Take a loan of ₹60 lakh at an assumed rate of 8.5% a year. The rate is an illustration, not a current offer. Using the standard reducing-balance EMI formula (HDFC Bank EMI formula, checked 12 November 2026), the results look like this (Showcasia EMI calculator, checked 12 November 2026):

  • 10 years: EMI about ₹74,391; total interest about ₹29.3 lakh.
  • 15 years: EMI about ₹59,084; total interest about ₹46.4 lakh.
  • 20 years: EMI about ₹52,069; total interest about ₹65 lakh.
  • 25 years: EMI about ₹48,314; total interest about ₹84.9 lakh.
  • 30 years: EMI about ₹46,135; total interest about ₹1.06 crore. Figures from the Showcasia EMI calculator, checked 12 November 2026.

Going from 20 to 30 years cuts the EMI by about ₹5,900 a month but adds about ₹41 lakh of interest. Going from 20 to 15 years raises the EMI by about ₹7,000 a month and saves about ₹18.6 lakh (Showcasia EMI calculator, checked 12 November 2026).

Why the savings shrink as tenure grows

Each extra year lowers the EMI by less than the year before. The first few years of a long loan are mostly interest, so stretching a loan mainly adds more years of paying interest on a balance that barely moves. Past a point, a longer tenure buys very little monthly relief for a great deal of extra cost. In the example, the step from 25 to 30 years saves only about ₹2,200 a month (Showcasia EMI calculator, checked 12 November 2026).

Home loan EMI calculatorEstimate monthly repayment, total interest and yearly loan balances with an editable rate and tenure.Open

How to choose your tenure

A practical way to decide:

  1. Start from your budget, not the lender's maximum. Work out an EMI you could still pay in a tight month, after rent or maintenance, school fees, insurance and savings.
  2. Find the shortest tenure that gives that EMI for the loan you need. The EMI calculator shows this in seconds.
  3. Stress-test the rate. On a floating-rate loan, check the EMI if rates rise by one or two percentage points. If that EMI would break your budget, borrow less or choose a cheaper home.
  4. Keep a reserve. A shorter tenure is no help if it leaves you without an emergency fund.
  5. Plan to prepay. If your income is likely to rise, a slightly longer tenure with a firm prepayment habit can work well.

Age, retirement and the lender's view

Lenders look at how many working years you have left. A long tenure that runs past retirement may need a younger co-borrower or proof of pension income. Ask the lender to state its age rule for your case rather than assuming. If you are buying with a partner or a parent, our guide to the amortisation schedule helps you see how fast the balance falls under each option.

Homes for sale in PuneBrowse homes across the city, each showing how far it has been checked and when.Open

When a longer tenure makes sense

A longer tenure is not always wrong. It can be the sensible choice when:

  • your income is irregular and you want a low compulsory payment with freedom to prepay in good months;
  • you have higher-cost debts to clear first;
  • the lower EMI is what lets you keep a proper emergency fund.

What matters is that you choose it on purpose, knowing the extra interest, and not because it was the default on a form.

Try your own numbers

Put your loan amount, rate and tenure into the EMI calculator, then use the home affordability calculator to see the price range your chosen EMI supports. With a budget set, browse flats for sale in Bengaluru or flats for sale in Chennai. For the maths behind every figure here, read how EMI is calculated, and find more repayment guides in the EMI and prepayment topic.

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Questions people ask

What is the longest tenure lenders offer?

It varies by lender and by your age and income. Many lenders link the maximum tenure to your retirement age or a set age at loan maturity. Check the lender's published product terms and your sanction letter.

Can I change my tenure later?

Yes, usually. Prepaying shortens the loan if you keep the same EMI, and many lenders will reduce the tenure on request if you raise your EMI. Lengthening a tenure is possible too, subject to the lender's age and policy limits.

Does a longer tenure make it easier to get a loan?

A lower EMI can help you fit within a lender's limit on how much of your income can go to loan repayments. That is why lenders often suggest longer tenures. The trade-off is a much higher total interest bill.

Is it better to choose a long tenure and prepay?

It can be, if you will genuinely prepay. A longer tenure gives you a lower compulsory EMI and room in a difficult month, and prepayments bring the cost down. Check prepayment charges first; for many floating-rate loans to individuals, RBI rules restrict them.

Sources

  1. Home loan EMI formula and calculator, HDFC Bank, checked 12 November 2026.
  2. Reproduce the Showcasia EMI example, Showcasia, checked 12 November 2026.

This is general information, not legal, tax or financial advice. Check with a qualified professional for your case.

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