How to Declare Home Loan in Income Tax Return: Sections, Limits, and Proofs

Declaring a home loan in the income tax return is less about “informing” the department and more about correctly reporting income from house property and claiming eligible deductions using the right schedules and supporting documents. When done properly, it reduces taxable income in a legally defensible way and prevents common mismatches between Form 16, ITR, AIS/26AS, and lender certificates.

This guide explains what to claim, where to enter it, and what proof to keep for the most common home-loan situations in India: self-occupied property, let-out property, under-construction property, and joint loans. All key limits and rules below are backed by official sources.

What Does “How to Declare Home Loan in Income Tax” Actually Mean?

How to declare home loan in income tax basically means doing two things in the return:

1. Reporting the property correctly under “Income from House Property” (self-occupied, let-out, deemed let-out, part-year let-out, etc.). The Income Tax Department’s “Income from house property” guidance lays out how annual value is computed and which deductions apply.
   
2. Claiming eligible deductions that arise from the loan:
   • Interest on borrowed capital under Section 24(b) (within the rules and limits).
   • Principal repayment and certain acquisition expenses under Section 80C (subject to conditions).
   • Additional interest deductions in specific cases under Section 80EE / 80EEA (if eligible).

A third “practical” part applies to salaried taxpayers: declaring the claim to the employer so correct TDS can be deducted during the year. That is typically done via Form 12BB.

Which Parts of a Home Loan are Eligible For Tax Benefit?

A home loan EMI has two core components:

• Interest component → generally claimed under Section 24(b) as “interest on borrowed capital” (subject to rules on property type, completion timelines, and regime selection).

• Principal component → may be claimed under Section 80C (within the overall 80C cap and conditions like holding period).

In addition, some borrowers may claim extra interest benefit under:

• Section 80EE (first-time buyer conditions; loans sanctioned in FY 2016–17 per department guidance).

• Section 80EEA (affordable housing conditions; sanction window and stamp duty value cap stated in department guidance). 

This is where phrases like home loan interest tax deduction, interest paid on home loan tax deduction, and loan is eligible for deduction from income tax become real only when the underlying eligibility conditions and reporting format are met.

Which “Housing Loan Income Tax Section” Applies to Which Claim?

Below is a clean mapping of what usually gets claimed where. This is the quickest way to understand home loan income tax planning without mixing up sections.

Table 1: Home loan benefits and where they are claimed

This table is also the simplest way to answer the SEO-intent query for the home loan income tax section or housing loan income tax section without mixing principal and interest. 

How Does the Old vs New Tax Regime Change Home Loan Declarations?

This matters a lot from AY 2024–25 onward because the new tax regime is the default for individuals/HUF/AOP/BOI/AJP, and many deductions are either restricted or unavailable unless opting out.

Key points from the Income Tax Department:

• The new regime is default, and opting out (choosing the old regime) depends on the taxpayer category. For non-business cases, the regime can be chosen in the ITR each year; for business/profession cases, Form 10-IEA is required to opt out.
• Under the new regime, Chapter VI-A deductions are largely not allowed (with limited exceptions like 80CCD(2), etc.).
• The portal also clarifies that claiming interest on borrowed capital for self-occupied property is not allowed under the default new regime and requires opting for the old regime to claim it.

So, if the goal is to determine how to claim home loan interest in an income tax return, the first checkpoint is: which regime is applicable for that year and return type.

How is “Interest On Borrowed Capital” Treated For Self-Occupied vs Let-Out Property?

The tax treatment differs significantly by property usage status. The department’s house property guidance clearly separates these cases.

Self-occupied property (SOP)

• Annual value is taken as nil for SOP. 
• Interest under Section 24(b) is allowed up to ₹2,00,000 for SOP if the loan is for acquisition/construction, borrowed on/after 01-04-1999, and construction is completed within the specified timeline; otherwise the limit can drop to ₹30,000 in certain cases.
• Interest for repairs/reconstruction/renewals for SOP is capped at ₹30,000. Pre-construction interest is allowed in five equal instalments, starting from the year of completion/acquisition.

Let-out property (LOP)

• Annual value is computed based on expected rent vs actual rent rules (with vacancy adjustment). 
• Standard deduction at 30% of NAV is available for let-out property. Interest on borrowed capital for let-out property is allowed as deduction (the department guidance states “actual interest incurred” is allowed).

Deemed let-out / multiple properties

From AY 2020–21, up to two properties can be treated as self-occupied; others may be treated as deemed let-out for computation. 

What is the “Limit of Home Loan Interest in Income Tax” and How Does the Loss Set-off Work?

Two separate concepts often get confused:

1. Deduction limit under Section 24(b) (especially for SOP)
2. Set-off restriction of loss from house property against other income

The Section 24(b) limit (SOP-focused)

The department guidance states:

• SOP acquisition/construction interest deduction: up to ₹2,00,000 with conditions, else ₹30,000 in specified situations.
• SOP repairs/reconstruction: ₹30,000 cap.
  This directly answers the keyword-intent limit of home loan interest in income tax for SOP.

Set-off restriction (the “₹2 lakh loss” rule)

Even if house property computation results in a loss, set-off against other heads is restricted. The CBDT circular on TDS from salaries notes that the set-off of loss from house property against income under any other head is restricted to ₹2,00,000.

This is a practical reason why a taxpayer might see “unused” interest effect in the current year even though interest was paid.

How Does Section 80C Work For Home Loan Principal Repayment?

Principal repayment is not claimed in the “house property” schedule. It is a Chapter VI-A deduction under Section 80C, subject to its overall cap and conditions.

Two official references support what’s eligible:

• The Income Tax Department’s 80C tool explicitly lists “Repayment of housing loan (principal component)” and stamp duty/registration fees/other expenses for purchase/construction as eligible types under Section 80C.
• The CBDT circular for TDS guidance notes the employer should obtain evidence/details for various deductions including 80C-type claims and refers to the declaration mechanism.

Also, an important compliance point: if the property is transferred within a specified period, earlier principal deductions may become taxable/reversed. The CBDT circular flags this “reversal” concept for 80C housing loan principal claims.

When do Sections 80EE and 80EEA Apply, and How are They Declared?

These are often misunderstood as “automatic” add-ons. They are not. They apply only when the specific conditions match.

Section 80EE (first-time homebuyer category, specific sanction window)

The department’s house property guidance states conditions including:

• Loan sanctioned during FY 2016–17
• Loan amount does not exceed ₹35,00,000
• Property value does not exceed ₹50,00,000
• No residential house owned on date of sanction
• If deduction is allowed under 80EE, the same interest cannot be claimed under another provision for that interest portion.

Section 80EEA (affordable housing)

The same guidance lays out:

• Loan sanctioned between 01-04-2019 and 31-03-2022
• Stamp duty value should not exceed ₹45,00,000
• No residential house owned on date of sanction
• Not eligible for 80EE
• Deduction up to ₹1,50,000, in addition to Section 24(b).

Both 80EE and 80EEA are Chapter VI-A deductions and their usability depends on the tax regime chosen for that year. The portal FAQs clearly highlight that Chapter VI-A deductions are limited in the new regime. 

What Documents Are Needed to Support a Home Loan Tax Claim?

A clean documentation set prevents 90% of issues during employer TDS processing and later scrutiny.

Core documents

• Interest certificate / loan statement from lender (annual), showing interest payable/paid for the year. (Employers commonly insist on this; Form 12BB requires “interest payable/paid to the lender”.)
• Lender details: name, address, and PAN/Aadhaar (Form 12BB captures lender identifiers).
• Proof of ownership and possession: sale deed/registry, possession letter, completion certificate (important for SOP interest limits and pre-construction interest start point). 
• Co-ownership / co-borrower documents (if applicable): shares should be definite and ascertainable for separate assessment benefits. 
• Rental documents (for let-out): rent agreement, rent receipts, municipal taxes paid proofs, etc.

A useful detail from the CBDT circular: it records that employers should obtain the “details of interest payable/paid and principal repaid” from the employee and then compute deductible amounts.

How is The Home Loan Declared to The Employer for TDS Purposes?

For salaried taxpayers, the “during the year” declaration is what shapes Form 16 numbers.

Form 12BB: the standard declaration format

Form 12BB is explicitly titled as the “Statement showing particulars of claims by an employee for deduction of tax under section 192”.

For home loan interest, Form 12BB asks for:

• Interest payable/paid to lender
• Name and address of lender
• PAN/Aadhaar of lender (if available; with lender category options)

Regime intimation to employer

The Income Tax Department’s regime FAQ page notes that an employee needs to intimate the intended tax regime to the employer; otherwise the employer will deduct TDS as per the default regime under Section 115BAC.

This is a big operational reason why home loan benefits may “not show up” in Form 16 even when interest was paid: the regime or declaration wasn’t aligned during payroll.

How to Declare a Home Loan in The ITR While Filing The Return?

This is where the return must match the actual facts (property status, interest, rent, co-ownership, etc.).

Step 1: Choose the correct regime (and ensure the ITR allows the claim)

The tax portal’s Common ITR FAQs clarify:

• The new regime is default; many deductions are unavailable unless opting out.
• Interest on borrowed capital for self-occupied property may appear “greyed out” in the ITR in the default regime, and opting for old regime is required to claim it.

Step 2: Fill “Income from House Property” correctly

The department’s house property guidance provides the structure:

• Compute gross annual value (as applicable)
• Deduct municipal taxes (if conditions satisfied)
• Apply standard deduction 30% for let-out
• Apply interest on borrowed capital under Section 24(b) as per property type rules 

This is the heart of how to claim home loan interest in an income tax return.

Step 3: Claim principal and additional deductions under Schedule VI-A (if eligible)

• Principal repayment under 80C (within 80C umbrella)
• Additional deductions under 80EE/80EEA (if conditions met)

How to Declare a Joint Home Loan and Co-Owned Property Correctly?

Joint loans are common, but the tax benefit is not “automatic split” unless the ownership and shares are clear.

The department’s house property guidance states that when shares are definite and ascertainable, the income of the property is assessed separately in each co-owner’s hands in proportion to their share, and each co-owner can claim eligible benefits (subject to conditions).

Practical implications:

• Interest and principal deductions should generally align with ownership share and who actually pays.
• Each co-owner reports their portion in their own return; the property “does not get declared twice” as 100% in two returns.

How is Pre-Construction Interest Handled and When Does it Become Claimable?

Pre-construction interest is a major missed claim because it’s not claimed “as paid” during construction years.

The department guidance explicitly states: Interest for the period prior to acquisition/construction is allowed as deduction in five equal instalments, beginning with the year in which the property was acquired/constructed. 

So, the declaration in the ITR typically begins from the year the property is completed/acquired, and the pre-construction bucket is spread over 5 years.

What Are The Most Common Mistakes That Reduce or Block The Deduction?

These are the repeat offenders seen in real filings:

1. Claiming SOP interest while staying in the default new regime (field gets disabled or claim becomes inconsistent).
2. Mixing up principal and interest (principal under 80C, interest under house property/24(b)). 
3. Declaring property as SOP while also showing rent (part-year let-out needs let-out treatment per guidance). 
4. Ignoring co-ownership proportion (each co-owner must report in proportion if shares are definite). 
5. Not keeping Form 12BB + lender certificate alignment (employer may not allow TDS relief without it).

Quick Checklist to Ensure The Claim is Robust (and matches sources)

• Property status for the year is clearly identified (SOP / let-out / deemed let-out). 
• Interest claim under Section 24(b) matches the correct limit and conditions. Loss set-off expectations consider the ₹2,00,000 restriction against other heads (where applicable).
• The principal claim sits under 80C and is backed by eligible category reference. 
• If salaried, Form 12BB includes lender details and interest amount, and regime is intimated to the employer.

Final Word

Declaring a home loan in income tax is not a one-line entry. It is a clean, repeatable process: confirm the tax regime first, classify the property correctly for the year, claim interest under Section 24(b) through the house property computation, and claim principal (and any eligible add-on deductions) under Chapter VI-A only when the rules allow it. Keep the lender interest certificate, ownership and possession documents, and (for salaried taxpayers) the Form 12BB trail aligned with what finally goes into the ITR. When the regime choice, limits, and documentation match the official rules, the deduction stays strong, avoids mismatches, and remains defensible if ever asked to substantiate it.

FAQs on Home Loan in Income Tax Return