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Fixed vs Floating Home Loan Interest Rate - Which Should You Choose?

Published: July, 2026  ·  7 min read  ·  EMIPlan Editorial Team

Almost every home loan offer in India comes with a choice: a fixed rate that stays the same for the entire tenure, or a floating rate that moves with the market. The vast majority of home loans in India are floating rate - but that doesn't mean it's automatically the right choice for you.

This guide explains how each works, what actually happens to your EMI when a floating rate changes, and how to think about the decision.

Floating rate = your EMI or tenure moves with the RBI repo rate / your bank's benchmark. Fixed rate = your rate is locked for the tenure, usually at a premium over the starting floating rate.

How Floating Rate Loans Actually Work

A floating-rate home loan is linked to an external benchmark - almost all Indian banks now use the RBI repo rate as the base, adding their own spread on top. When the RBI changes the repo rate, your lender passes that change through, typically at the next reset date (often quarterly).

Crucially, when your rate changes, the bank can respond in one of two ways:

Worked Example: What a 0.5% Rate Rise Actually Costs

Take a ₹30 lakh home loan at 8.5% for 20 years (EMI ₹26,035). Suppose after 5 years of repayment, the rate rises by 0.5% to 9%. Here's what happens under each approach:

Bank Keeps EMI Fixed
+12 months
Your EMI stays at ₹26,035, but your remaining 15-year tenure stretches to roughly 16 years.
Bank Keeps Tenure Fixed
+₹781/month
Your tenure stays at 15 years remaining, but your EMI rises from ₹26,035 to ₹26,815.

Either way, a 0.5% rate increase has a real cost - it's just a question of whether it shows up as a longer loan or a higher monthly payment. Most banks default to extending tenure automatically, so it's worth checking your loan statement periodically; borrowers sometimes don't notice their tenure has silently crept up by several years.

How Fixed Rate Loans Work

A fixed-rate home loan locks your interest rate for the agreed period - sometimes the full tenure, sometimes just an initial window (like 2-3 years) before reverting to floating. True fixed-for-life home loans are rare in India and typically carry a meaningful premium over the starting floating rate, often 0.75%-1.5% higher.

On a ₹30 lakh, 20-year loan, a fixed rate of 9.5% (a 1% premium over an 8.5% floating start) costs ₹27,964/month and ₹37,11,345 in total interest - versus ₹26,035/month and ₹32,48,327 in interest for the floating rate at its starting level. That's a ₹4,63,018 premium you're paying for the certainty of a locked rate.

Fixed vs Floating - Side by Side

Factor Floating Rate Fixed Rate
Starting rate Usually lower Usually 0.75-1.5% higher
Rate predictability Changes with the market Locked for the term
Benefit if rates fall You benefit automatically No benefit unless you refinance
Risk if rates rise EMI or tenure increases Fully protected
Prepayment charges (individual, non-business) Banned by RBI May still apply, check your agreement
Availability Standard for most home loans Fewer lenders offer true long-term fixed

When Floating Rate Makes Sense

When Fixed Rate Is Worth the Premium

In practice, most Indian borrowers choose floating rate - the RBI's prepayment-charge ban makes it easy to prepay or even refinance to a better lender if your floating rate becomes uncompetitive, which reduces much of the downside.

See the Exact Numbers for Your Loan

Use EMIPlan's free calculator to compare EMIs at different rates and see how a rate change would affect your specific loan amount and tenure.

Try the EMI Calculator →

Frequently Asked Questions

Is floating rate always cheaper than fixed rate?

Not always, but usually the starting rate is lower. Floating rate saves you money if rates stay flat or fall over your tenure; if rates rise significantly, a fixed rate locked in early could work out cheaper in hindsight. There's no way to know for certain in advance - it depends on the future rate cycle.

Can I switch from floating to fixed rate, or vice versa?

Most lenders allow a switch, sometimes for a small conversion fee. If your bank's floating rate becomes uncompetitive, you can also consider a balance transfer to another lender offering better terms - RBI rules make this easier since prepayment penalties don't apply to floating-rate individual loans.

Does my EMI go up immediately when the repo rate changes?

No - most banks apply changes at a fixed reset interval (commonly quarterly), not immediately when the RBI moves the repo rate. And even then, many banks first extend your tenure rather than raising your EMI, until the tenure hits a cap - so check your loan statement to see how a rate change was actually applied to you.

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