Under-Construction Property Tax Benefits: What You Can Actually Claim Before Possession
TL;DR
- Interest paid on a home loan during construction is not deductible in the year of payment.
- It accumulates as "pre-construction interest" and is claimed in five equal annual instalments starting from the year possession is taken.
- The Rs. 2 lakh cap under Section 24(b) for self-occupied property applies to the total of current-year interest plus that year's pre-construction instalment.
- Principal repayment under Section 80C cannot be claimed at all until possession is received.
- If construction is not completed within five years from the end of the financial year in which the loan was taken, the deduction shrinks to Rs. 30,000 a year for self-occupied use.
What this means in plain terms
If you have booked an under-construction flat and your EMIs have started, you are paying interest every month but the income tax department will not let you set that interest off against your salary right now. The law treats your house as not yet "yours" for tax purposes until you actually take possession or get the completion certificate.
The interest you pay during this gap does not vanish. It gets parked, added up, and then released to you in five equal pieces starting from the financial year in which construction finishes. This is what people mean when they say "pre-construction interest" or "pre-EMI deduction." It is real money, just delayed.
How Section 24(b) treats construction-period interest
The pre-construction window
The pre-construction period runs from the date the loan is disbursed to 31 March of the year just before possession. Suppose your loan was disbursed in June 2023 and you got the keys in October 2026, the pre-construction window is June 2023 to 31 March 2026. All interest paid in that span gets pooled.
The five-year staggered release
Starting from the year of possession, this pooled interest is claimable in five equal yearly instalments under Section 24(b). So if your pre-construction interest totals Rs. 5 lakh, you can claim Rs. 1 lakh each year for five years, on top of the current-year interest.
The Rs. 2 lakh ceiling stays the same
For a self-occupied house, the combined deduction (current year interest plus that year's pre-construction instalment) is capped at Rs. 2,00,000 per Section 24(b). If your numbers are bigger than this, the excess simply lapses. For let-out property, there is no upper cap on interest itself, but the overall loss from house property that can be set off against other heads is capped at Rs. 2 lakh per Section 71.
The five-year completion rule
Why this clock matters
Section 24(b) explicitly says the Rs. 2 lakh cap applies only if construction is completed within five years from the end of the financial year in which the loan was borrowed. Builder delay is, unfortunately, your problem in the eyes of the law.
The Rs. 30,000 fallback
If possession crosses that five-year deadline, the maximum interest deduction collapses to Rs. 30,000 a year for self-occupied property. For someone in the 30 per cent slab, that is a Rs. 51,000 swing in annual tax for each year of delayed possession.
Documenting completion
The income tax department typically accepts the builder's possession letter, occupation certificate, or registered sale deed as proof of completion. Hold onto these because the assessing officer may ask if you are ever picked for scrutiny under Section 143(2).
Principal repayment under Section 80C
No claim before possession
Principal repayment under Section 80C requires that the property be "constructed" or "purchased" and registered in your name. EMIs paid before possession do not qualify for Section 80C, even though the EMI clearly contains a principal component on paper.
Stamp duty and registration
Stamp duty and registration charges are claimable under Section 80C only in the year these payments are actually made, subject to the overall Rs. 1.5 lakh ceiling. If you register the property a year after possession, the Section 80C claim shifts accordingly.
What the new tax regime changes
Section 24(b) for self-occupied is gone
Under the new regime introduced through Section 115BAC, the deduction for interest on self-occupied property under Section 24(b) is not available. So if you switch to the new regime in the year of possession, you lose the Rs. 2 lakh shelter on your home loan interest entirely.
Interest on let-out property still works
The new regime still permits interest deduction on let-out property under "income from house property," but the resulting house-property loss cannot be set off against other heads such as salary. This is a subtle but expensive change for landlords with leveraged property.
A real example
Meera, 34, Rs. 22L CTC, Pune. She booked a 2BHK in Hinjewadi in May 2023 for Rs. 85 lakh, took a Rs. 65 lakh home loan at 8.7 per cent, and EMIs started in July 2023. Possession is scheduled for October 2026.
Step 1: Pre-construction interest. From July 2023 to March 2026, she paid roughly Rs. 5.4 lakh in interest. None of this was claimable in those three financial years.
Step 2: Year of possession (FY 2026-27). She moves in. Her current-year interest in FY 2026-27 is about Rs. 5.3 lakh. Her pre-construction instalment is Rs. 5,40,000 / 5 = Rs. 1,08,000.
Step 3: Combined claim. Total interest available to claim is Rs. 5.3L + Rs. 1.08L = Rs. 6.38L. But the Section 24(b) cap for self-occupied property is Rs. 2,00,000. She claims Rs. 2L; the remaining Rs. 4.38L lapses for that year.
Step 4: Tax impact at 30 per cent slab. Her tax saving is Rs. 2,00,000 x 31.2 per cent = Rs. 62,400. She also claims principal repayment of Rs. 90,000 within Section 80C (subject to the Rs. 1.5 lakh combined cap).
Step 5: Years 2 through 5 of possession. She continues claiming Rs. 1.08 lakh of pre-construction interest each year, plus current interest, capped at Rs. 2 lakh total.
What to do this week
- Pull every loan disbursement statement and interest certificate from your bank for every financial year since disbursement, even years before possession.
- Compute your pre-construction interest pool and divide by five so you have the per-year instalment ready for the year of possession.
- Confirm with your builder in writing the expected possession date so you can plan against the five-year deadline under Section 24(b).
- Decide between old and new regime in the year of possession; the home loan interest deduction is worth far more under the old regime.
- Run the 6-step assessment at https://myfinancial.in to see your old-vs-new regime delta, unused deductions, and insurance gap in under 10 minutes.
FAQ
Can I claim home loan interest in the year I pay it if the flat is under construction?
No. Section 24(b) only allows you to claim interest from the year of possession onwards. Interest paid before that becomes pre-construction interest and is released in five equal annual instalments from the possession year.
What if I am paying full EMI, not just pre-EMI interest?
It does not change the tax treatment. Even if your EMI has a principal component, neither principal (Section 80C) nor interest (Section 24(b)) can be claimed before possession. Banks usually offer the option of pre-EMI interest-only until possession; the choice is purely a cash flow decision.
Can I claim pre-construction interest if I sell the property before five years of possession?
The pre-construction instalment claim ends in the year you stop owning the property. Any unclaimed pre-construction interest from earlier years cannot be carried forward beyond the five-year staggered window.
What happens if the builder delays beyond five years from loan year-end?
For a self-occupied property, your maximum deduction under Section 24(b) drops from Rs. 2 lakh to Rs. 30,000 a year, starting from the year of possession. The pre-construction instalment is still available within that lower cap.
Does this apply to a plot loan plus construction loan?
Yes, the same five-instalment treatment applies. The pre-construction period for a plot-plus-construction loan runs until 31 March of the year before construction is complete and possession (in the form of an occupation certificate) is obtained.
Can both husband and wife claim deductions on the same under-construction property?
Yes, if both are co-owners and co-borrowers and both are contributing to EMIs from their own income. Each can claim up to Rs. 2 lakh interest and Rs. 1.5 lakh principal independently, with the pre-construction five-year rule applying to each.
Does the new tax regime allow pre-construction interest?
Not for self-occupied property. The new regime under Section 115BAC removes the Section 24(b) deduction for self-occupied homes entirely, so pre-construction interest stagger has no effect. It can still be claimed for let-out property within the income-from-house-property computation, though the loss set-off is restricted.
Sources
- Income Tax Act, Section 24(b) and Section 71B, https://incometax.gov.in
- Section 80C(2)(xviii) on principal repayment, https://incometax.gov.in
- Section 115BAC on the new tax regime, https://incometax.gov.in
- CBDT circulars on pre-construction interest, https://incometax.gov.in
This is general information, not personalised advice. For your situation, consult a Certified Financial Planner.