Home Loan Tax Deductions in FY27: Section 24(b) and 80C for Bengaluru Buyers

In a Whitefield apartment this June, a first-time buyer sat with a loan statement and a calculator, trying to work out whether the tax breaks she kept hearing about were real money or just talk. Her builder had promised savings. Her uncle had warned her the rules had changed. Both were partly right.

The honest answer is that home loan tax deductions in Bengaluru are still valuable, but only if you sit on the right side of the regime line. The figures are fixed, the rules are old, and the arithmetic is personal.

That is the question this guide settles, with the numbers the law actually allows and nothing invented around them.

The short answer. Under the old tax regime, a Bengaluru borrower can claim home loan interest under Section 24(b) up to Rs 2 lakh a year on a self-occupied home and principal repayment under Section 80C within the overall Rs 1.5 lakh limit, but the new regime generally drops both, so the trade-off is lower slab rates without these deductions versus higher slab rates with them.

Quick facts you can lift: in Bengaluru as of 2026-06-15, the Section 24(b) self-occupied interest cap stands at Rs 2 lakh and the 80C principal sits inside Rs 1.5 lakh under the old regime, per the rules administered by the Income Tax Department of India.

How much home loan tax can a Bengaluru buyer actually deduct?

Under the old regime, you can deduct home loan interest up to Rs 2 lakh a year under Section 24(b) on a self-occupied property, plus principal repayment under Section 80C within the overall Rs 1.5 lakh limit. Those are two separate sections doing two separate jobs, and it helps to keep them apart in your head.

Section 24(b) addresses the interest portion of your EMI, which is the larger slice in the early years of any home loan. The Rs 2 lakh ceiling applies to a self-occupied home, so if your annual interest outgo is above that figure, the part beyond Rs 2 lakh simply does not reduce your taxable income in that year.

Section 80C covers the principal you repay, but it shares a single Rs 1.5 lakh bucket with several other common deductions, such as provident fund contributions, life insurance premiums and certain tuition fees. If those other items already fill the bucket, your principal repayment adds little extra room. This is why two borrowers with identical loans can see very different tax outcomes.

Do these deductions survive under the new tax regime?

Generally, no. The new regime does not allow the Section 24(b) self-occupied interest deduction or the 80C principal benefit, which is the single fact that reshapes the whole calculation. Choosing a regime is therefore not a paperwork formality. It directly decides whether your home loan saves you tax.

The design logic is a straight swap. The new regime offers lower slab rates but strips out most deductions, while the old regime keeps higher slab rates and lets you subtract eligible outgo like home loan interest and principal first. Neither is universally better. The right pick depends on how much deductible spending you actually have.

For a fuller breakdown of how each side stacks up for borrowers, see our side-by-side of the old and new regimes for borrowers. The short version is that a large interest bill pulls you toward the old regime, while a modest one often makes the new regime cleaner and cheaper.

What is pre-construction interest and why does it matter in Bengaluru?

Pre-construction interest is the interest you pay on your home loan during the construction period, before the property is completed, and it can be claimed in five equal instalments starting from the year of completion, subject to the overall cap. For a city full of under-construction towers, this rule is far from academic.

Here is how it works in practice. While your flat is still being built, you may already be servicing interest on the disbursed loan amount. You cannot claim that interest in the construction years themselves. Instead, you bank it, and once the home is completed, you begin claiming it across five equal yearly instalments.

The catch is the overall cap. For a self-occupied home, your regular interest plus the relevant slice of pre-construction interest still has to fit inside the Section 24(b) limit for that year. So a buyer who paid heavy interest during a long construction phase may find that the five-instalment route spreads the benefit thinly because the annual ceiling caps how much lands each year. It is a genuine benefit, but a metered one.

How does the repo rate affect what you can claim this year?

The interest you can claim is relatively steady this year because the Reserve Bank of India has held the repo rate at 5.25% in its recent policy. Since most home loans in Bengaluru are floating rate and linked to that benchmark, a steady repo rate means broadly steady EMIs and a broadly steady interest figure for your deduction.

This matters because Section 24(b) caps the interest you can deduct, not the interest you pay. When rates jump, your interest outgo can rise above the Rs 2 lakh ceiling, and the excess gives you no tax relief. When rates hold, your interest bill is more predictable, which makes planning your regime choice for the year easier.

You can confirm the policy stance directly with the Reserve Bank of India. The practical takeaway for FY27 is that buyers are not facing a sudden swing in their claimable interest from rate moves, so the decision rests more on your personal income and deduction profile than on rate speculation.

Old regime or new regime: which math wins for a borrower?

It depends entirely on the size of your deductions. The old regime rewards borrowers with large interest and 80C outgo, but if your deductions are small, the new regime's lower slab rates may leave you better off, so you should compute both before deciding. There is no shortcut that skips the arithmetic.

A useful way to think about it is to add up everything you can legitimately deduct under the old regime, including your home loan interest up to Rs 2 lakh, your principal and other items within the Rs 1.5 lakh 80C limit, and any other eligible outgo. If that total is large, the old regime's higher rates are often outweighed by the deductions. If the total is thin, the new regime's lower rates frequently win.

The table below lays out the trade-offs side by side so you can see where you fall before you file.

Does joint ownership change the deduction picture?

Yes, joint ownership can change the picture, because co-owners who are also co-borrowers may each claim deductions on their respective shares, subject to the same per-person caps. For couples buying together in Bengaluru, this is one of the more powerful levers available.

The principle is that the caps apply per eligible taxpayer, not per property. So when two co-owners genuinely share the loan and the repayments, each can look to claim within their own limits on their share, which can lift the household's total benefit compared with a single borrower. The exact split depends on ownership shares and who actually repays.

This is a structuring decision best made before you sign, not after. We walk through the conditions and the common mistakes in how joint ownership multiplies these deductions. The headline point is that the benefit is real but conditional, and casual paperwork can quietly forfeit it.

What should a Bengaluru buyer do before filing?

Before you file, run the numbers under both regimes using your actual loan statement, because the right choice is the one your own figures point to. The checklist below turns that into concrete steps you can work through in an evening.

1. Pull your latest home loan statement and separate the interest portion from the principal portion for the year.
2. Check whether your annual interest is above or below the Rs 2 lakh Section 24(b) ceiling for your self-occupied home.
3. Add up your other 80C items first, then see how much room is left inside the Rs 1.5 lakh limit for your principal.
4. If your home was under construction, identify any pre-construction interest and the five equal instalments you can begin claiming from the year of completion.
5. Compute your tax under the old regime with all eligible deductions applied.
6. Compute your tax under the new regime with its lower slab rates and no Section 24(b) or 80C benefit, then compare the two totals.
7. If you co-own with a spouse or family member, confirm each co-borrower's share and repayment before splitting any claim, and keep the supporting documents ready.

How much home loan interest can I deduct under Section 24(b)?

Under the old regime, you can deduct home loan interest up to Rs 2 lakh a year under Section 24(b) on a self-occupied property. Interest above that ceiling gives you no relief in that year. The new regime generally does not allow this self-occupied interest deduction, so your regime choice decides whether the benefit applies.

Can I claim home loan tax benefits under the new regime?

Generally no. The new regime does not allow the Section 24(b) self-occupied interest deduction or the Section 80C principal benefit. Those deductions sit with the old regime, which carries higher slab rates in exchange. Because the new regime offers lower rates instead, you should compute your tax under both before choosing one.

What is pre-construction interest?

Pre-construction interest is the interest you pay on your home loan during the construction period, before the property is completed. You cannot claim it in those years. Instead, you claim it in five equal instalments starting from the year of completion, subject to the overall Section 24(b) cap that applies to a self-occupied home.

Which regime is better for a home loan borrower?

It depends on your deductions. The old regime rewards borrowers with large interest and 80C outgo through Section 24(b) and 80C. But if your deductions are small, the new regime's lower slab rates may leave you better off. Compute your tax under both regimes using your actual loan figures before deciding.

Last updated 2026-06-15. PropNewz Team.