East Bengaluru buyer answers
Joint home loan with your spouse: how do co-ownership and tax deductions work?
Direct answer: The joint home loan tax benefit works per person. Under section 24 of the Income-tax Act, 2025, each co-owner with a defined share is taxed separately and gets the self-occupied relief individually. So in the old regime, each spouse who owns a share and pays the EMI can claim up to ₹2 lakh of interest and ₹1.5 lakh of principal.
Disclosure: acre&key’s advice is free to buyers.
Verify with your lawyer: Confirm the deed wording with a property lawyer. This page is general information.
Key takeaways
- Two owners, two caps. Each co-owner's share is computed separately (s.24), so each can claim within their own limits.
- Be on the deed and the loan. The interest deduction is part of your house-property income, so you need to own a share. The principal deduction needs you to be repaying the loan.
- Write the shares in the sale deed. "Definite and ascertainable share" is what s.24 asks for.
- Old regime only for a self-occupied flat. A spouse in the new regime gets nothing from it.
- No stamp duty discount for women in Karnataka, so adding a wife's name doesn't cut the 7.6%.
What does the law say about co-owned homes?
Section 24(1) of the Income-tax Act, 2025 says that where property is co-owned "with definite and ascertainable share", the co-owners aren't assessed as an association of persons. Each one's income is computed separately, by share. Section 24(2) gives each co-owner the self-occupied relief "as if each co-owner is individually entitled" to it (Act 30 of 2025). The Act has applied since 1 April 2026 (PIB).
The limits then apply to each person. Interest is under s.22: up to ₹2,00,000 for a self-occupied home, including pre-possession interest after the Finance Act 2026 change. Principal, stamp duty and registration are under s.123, inside the ₹1,50,000 limit. Our home loan tax benefit answer explains both.
Who can claim what?
| You are | Interest (s.22) | Principal, stamp duty (s.123) |
|---|---|---|
| Co-owner and co-borrower paying the EMI | Yes, your share, up to ₹2 lakh | Yes, what you repay, within ₹1.5 lakh |
| Co-borrower, not on the deed | Not as house-property income, since you don't own a share | Ask your CA |
| Co-owner, not paying the EMI | Ask your CA. Paying from your own account is what supports a claim | Ask your CA |
| In the new regime (s.202) | No, for a self-occupied home | No |
Lenders usually want every owner to join the loan as a co-borrower, and joint income can raise the loan amount. The LTV caps that set your down payment are in our RBI LTV answer.
Worked example 1: 50:50 couple, both in the old regime
Illustrative: a ₹96 lakh joint loan at 8.5% over 20 years, EMI ₹83,311. In year one, interest is ₹8,08,670 and principal ₹1,91,062. Both own 50% and pay 50%, both at a 30% slab, with no other s.123 items.
| Item | Spouse A | Spouse B |
|---|---|---|
| Interest share | ₹4,04,335 | ₹4,04,335 |
| Interest allowed (cap ₹2 L) | ₹2,00,000 | ₹2,00,000 |
| Principal share | ₹95,531 | ₹95,531 |
| Principal allowed (cap ₹1.5 L) | ₹95,531 | ₹95,531 |
| Total deduction | ₹2,95,531 | ₹2,95,531 |
| Tax saved at 30%, before cess | ₹88,659 | ₹88,659 |
Together: ₹1,77,318. If only one spouse owned the flat and took the loan, the most they could claim is ₹2,00,000 + ₹1,50,000 = ₹3,50,000, saving ₹1,05,000. The joint structure adds about ₹72,000 in year one.
Worked example 2: 70:30, with one spouse in the new regime
Same loan. Spouse A owns and pays 70% and stays in the old regime. Spouse B owns 30% but has chosen the new regime.
| Item | Spouse A (old) | Spouse B (new) |
|---|---|---|
| Interest share | ₹5,66,069 | ₹2,42,601 |
| Interest allowed | ₹2,00,000 | ₹0 |
| Principal share | ₹1,33,743 | ₹57,319 |
| Principal allowed | ₹1,33,743 | ₹0 |
| Tax saved at 30%, before cess | ₹1,00,123 | ₹0 |
A's interest share is far above the cap either way. So once B is in the new regime, the joint structure saves no more tax than A owning alone. Splitting only pays when both partners can use their caps.
The 4-box co-owner test (our framework)
Tick all four for each spouse before counting on a joint benefit:
- Deed: named in the sale deed with a stated share.
- Loan: a co-borrower on the sanction letter.
- EMI: paying their share from their own account.
- Regime: filing in the old regime that year.
Miss any box and that spouse's claim weakens or disappears.
Checklist before you sign
- Shares written in the sale deed (for example 50:50 or 70:30), matching what each will pay
- Both names on the loan sanction letter
- EMIs paid from each person's account in the agreed ratio, or from a joint account with records
- Separate interest certificates, or one certificate showing the split
- Each person's regime choice compared with a CA
- Stamp duty planned at the full rate: there's no concession for women in Karnataka (see our stamp duty for women answer)
Plan the EMI with our EMI calculator. See the full cost of a Bengaluru flat, and the first-time buyer guide for the wider process. Interest paid before possession is covered in our pre-construction interest answer. For whether to prepay once the loan is running, see prepaying a home loan or investing the surplus.
CA note: This is general information, not tax or legal advice. Who pays, who owns and gifts between spouses can change how income is taxed, so confirm your structure with a CA, and the deed wording with a property lawyer.
Frequently asked questions
Can both husband and wife claim the ₹2 lakh home loan interest deduction?
Yes, if both co-own the flat with defined shares, both repay the loan and both file in the old regime. Section 24 of the Income-tax Act, 2025 computes each co-owner's income separately and gives each the self-occupied relief, so each has their own ₹2 lakh interest cap.
Do I need to be a co-owner to claim the interest deduction?
In general, yes. Interest is deducted while computing income from house property under section 22, and that income belongs to the owner. A co-borrower who isn't on the sale deed has no house-property share to deduct it from. Check your case with a CA.
How are deductions split in a joint home loan?
By ownership share for interest, and by what each person actually repays for principal. Write the shares in the sale deed, and pay EMIs in the same ratio from each person's account, so the split is clear if the tax department asks.
Does adding my wife's name reduce stamp duty in Karnataka?
No. Karnataka's conveyance rates don't change with the buyer's gender, so a flat above ₹45 lakh in Bengaluru still costs about 7.6% in duty, cess, surcharge and registration. The benefit of a joint name is on the tax and loan side, not stamp duty.
What if one spouse is in the new tax regime?
That spouse gets no deduction for interest or principal on a self-occupied home, because section 202 removes both. The other spouse can still claim their share in the old regime. Run both regimes for both of you before deciding the ownership split.
Can a parent and child take a joint home loan and both claim?
The co-ownership rule in section 24 applies to any co-owners with definite shares, not just spouses. So a parent and child who both own and repay can each claim within their own limits, subject to the lender's age and income rules. Confirm with your CA.
Talk it through with acre&key
If you're deciding whose names go on the deed and the loan, book a consultation with acre&key.
Lawyer note: Confirm the deed wording with a property lawyer. This page is general information.
References
Checked 19 Oct 2026.
- Income-tax Act, 2025 (Act 30 of 2025), ss.21, 22, 24, 123, 202 and Schedule XV: https://egazette.gov.in/WriteReadData/2025/265620.pdf
- PIB, Income-tax Act, 2025 in force from 1 April 2026: https://www.pib.gov.in/PressReleasePage.aspx?PRID=2248005&lang=1®=3
- Finance Bill, 2026 (s.22(2) cap includes prior-period interest): https://www.indiabudget.gov.in/doc/Finance_Bill.pdf