By opting for a home loan top-up instead of a personal loan, you could save ₹71,651..

A loan of ₹5 lakh to be repaid over 5 years—there are two options. One option requires a total repayment of ₹6,98,048, while the other requires ₹6,26,397. The difference between the two is ₹71,651—an amount that could cover one or two months' worth of expenses for many families.

This difference arises from choosing between a personal loan and a 'top-up' on an existing home loan. Whether it is for home repairs, children's education fees, a wedding, or other urgent financial needs, most people immediately turn to a personal loan. However, if you already have an active home loan, opting for a top-up from the same bank can be significantly easier on your pocket.

The entire difference boils down to the interest rate.

In this calculation, the annual interest rate for a personal loan is assumed to be 14%, while the rate for a home loan top-up is 9.25%—a difference of 4.75 percentage points. While this may seem small, it accumulates over 60 months, resulting in a substantial difference in the total amount paid.

The calculation is based on the 'reducing balance' method. In this approach, interest for each month is charged only on the outstanding loan balance after the EMI for the previous month has been paid. Consequently, as the loan balance decreases, the interest component also decreases.

This results in a difference of ₹1,194 in the monthly EMI and ₹71,651 in total interest.

For a ₹5 lakh personal loan over 5 years, the monthly EMI comes to approximately ₹11,634. If you take the same amount as a home loan top-up, the EMI is approximately ₹10,440—resulting in a monthly saving of ₹1,194.

The true picture becomes clear when looking at the total repayment amount. With a personal loan, you end up repaying a total of ₹6,98,048 to the bank over 5 years, of which ₹1,98,048 is just interest. In the case of a top-up loan, the total repayment amounts to ₹6,26,397, with an interest component of ₹1,26,397. This means that opting for a top-up loan results in ₹71,651 less in interest payments—a reduction of 36.18% compared to the total interest on a standard personal loan.

Why are personal loans expensive, and why are top-up loans cheaper?

A personal loan is a type of credit that you can use for any purpose of your choosing. Typically, it does not require you to pledge any assets as collateral. Banks make their decision based on your income, employment or business status, credit score, and existing debt obligations. Since this loan is provided without any guarantee (collateral), it usually carries a higher interest rate than a home loan.

A top-up loan is an additional amount provided on top of your existing home loan, obtained from the same bank where your home loan is held. Before granting it, the bank assesses your repayment capacity, the outstanding balance on your home loan, the current value of the property, and its own internal policies. While the interest rate for a top-up loan is often lower than that of a personal loan, it varies from bank to bank and from customer to customer.

Top-up loans are not available to everyone.

This is the most significant condition. A top-up loan is not an option that just anyone can simply walk into a bank and obtain. Generally, you must already have a home loan with that specific bank, and the bank will also verify whether you have been paying your EMIs on time.

Additionally, the bank may evaluate your current income, credit score, the outstanding home loan balance, the current market value of the property, and your overall capacity to repay the debt. Some banks only offer top-up loans once a certain period of the home loan has elapsed or after a specific number of installments have been paid. Therefore, for those who do not have a home loan, or whose bank does not approve a top-up, a personal loan remains the only viable option.

Do not make this mistake, lured by a lower interest rate.

The potential saving of ₹71,651 will only be fully realized if you actually secure a top-up at an interest rate of 9.25% and there are no significant differences in other associated charges. Do not base your decision solely on the interest rate; consider the processing fees, other charges, and the terms and conditions for prepayment for both loan options.

Also, keep an eye on the loan tenure. Opting for a longer tenure for a top-up loan may result in a lower EMI, but it could increase the total interest payable. Being swayed by a smaller EMI can prove costly in the long run. Since a top-up is linked to your existing home loan, ensure you clarify the tenure, interest rate, and repayment terms with the bank beforehand.

Most importantly, just because a loan is available at a lower rate, it does not mean you should borrow more than you need. Keep your EMI at a level that comfortably fits within your monthly income after accounting for your other expenses. These calculations are based on assumed interest rates of 14% and 9.25% over a 5-year tenure. Actual interest rates, EMIs, fees, and terms may vary depending on the bank and the borrower's eligibility; therefore, obtain a detailed breakdown of all costs in writing from the bank before taking out the loan.

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