Home Loan Refinancing Tax Deductions Philippines - BIR Guide 2026

Can You Deduct Home Loan Refinancing Costs from Your Taxes in the Philippines?

When you refinance your home loan, you're making a significant financial decision — and like most major financial moves, it comes with tax implications. The good news: some of the costs and interest payments associated with your refinanced mortgage may be deductible under Philippine tax law. The not-so-good news: the rules are specific, and many homeowners either miss deductions they're entitled to, or incorrectly claim ones they're not.

This guide walks you through what the Bureau of Internal Revenue (BIR) allows, what it doesn't, and how to structure your refinancing to make the most of every legal tax advantage available to you.

Who Can Actually Claim Home Loan Tax Deductions?

Before diving into what's deductible, it's critical to understand who qualifies. In the Philippines, home loan interest deductions are not available to everyone — your eligibility depends on how the property is used and how you file your taxes.

Individuals with Mixed-Use or Income-Generating Properties

If you are self-employed or a professional who files your own income tax return (using BIR Form 1701), and your property is used — even partially — to generate income (for example, you run a home office or rent out a portion of the property), you may be able to deduct a proportionate share of your home loan interest as a business expense under Section 34(B) of the National Internal Revenue Code (NIRC).

For example, if 30% of your home is used exclusively for your registered business or professional practice, you can potentially deduct 30% of your annual mortgage interest payments from your gross income before computing your income tax due.

Purely Compensation Income Earners

If you are a regular employee earning purely compensation income, the standard deduction regime under the TRAIN Law (RA 10963) applies. Unfortunately, this means you generally cannot deduct home loan interest directly from your taxable income. Your employer withholds tax based on your gross compensation, and there is no line item for mortgage interest on BIR Form 2316 or Form 1700.

This is one of the most common misconceptions among Filipino homeowners — the U.S.-style mortgage interest deduction that many have heard about simply does not apply in the same way for pure compensation earners in the Philippines.

Corporate Borrowers and Business Owners

If the property is registered under a corporation or is used as a principal place of business, the interest expense on the loan is generally deductible as an ordinary business expense, subject to the interest expense limitation rule under Section 34(B)(1) of the NIRC. Under current rules, the deductible interest expense is reduced by 33% of the interest income subjected to final tax earned during the taxable year.

What Refinancing-Related Costs Are Tax Deductible?

Even if your primary mortgage interest isn't deductible, certain costs incurred during the refinancing process may have tax treatment worth noting — particularly for self-employed individuals and businesses.

1. Interest on the Refinanced Loan (for Qualified Taxpayers)

If you qualify (self-employed, professional, or business entity), the interest paid on your refinanced home loan is potentially deductible as an interest expense. Critically, the loan's purpose must be clearly tied to income generation or business use. If you refinanced a purely personal residential property, the interest is not deductible — regardless of your taxpayer type.

Practical example: A freelance architect owns a 200 sqm home in Quezon City. He uses one room (approximately 20 sqm, or 10% of the property) as a registered home office. His outstanding refinanced loan balance is 4,500,000 pesos. At a rate of 5.99% per annum, his annual interest expense in the first year is approximately 269,550 pesos. He may be able to deduct 10% of this — around 26,955 pesos — as a business expense on his BIR Form 1701.

2. Financing Charges and Documentary Stamp Tax (DST)

When you refinance, you typically pay Documentary Stamp Tax on the new mortgage. For business or income-generating properties, DST paid can be claimed as a deductible expense in the year it was incurred. For a 4,500,000 peso loan, DST at the prescribed rate can amount to approximately 20,250 pesos — a meaningful deduction if you qualify.

3. Bank Processing and Appraisal Fees

Loan processing fees, appraisal fees, and other bank charges paid at the time of refinancing are generally considered capital expenditures or financing costs. For qualified business taxpayers, these may be expensed in the year paid or amortized over the life of the loan — consult your accountant to determine the most advantageous treatment.

4. Notarial and Legal Fees

Fees paid to a notary public or lawyer in connection with the refinancing of a business or income-generating property may be deducted as professional fees or legal expenses under Section 34(A) of the NIRC, provided proper official receipts are obtained.

What Is NOT Deductible When You Refinance

Equally important is knowing what you cannot deduct. Claiming ineligible deductions can trigger a BIR audit and result in penalties, surcharges, and interest.

• Interest on purely personal residential mortgages — If the home is used solely as your primary residence and you are a compensation earner, no deduction is available.
• Penalties and surcharges — Any late payment penalties on your existing loan before refinancing are not deductible.
• Principal repayments — Only interest is potentially deductible, never the principal portion of your amortization.
• Prepayment penalties — Fees charged by your old bank for early loan termination are generally considered capital in nature, not deductible operating expenses for individuals.
• Home improvements funded by cash-out refinancing — If you took out additional funds beyond your original loan balance, only the interest attributable to the original qualifying amount may be deductible.

BIR Documentation Requirements: What to Keep on File

Whether you're claiming a deduction now or simply protecting yourself in case of a future audit, meticulous documentation is essential. The BIR requires that all deductions be substantiated by official records.

Documents to Retain After Refinancing

• New loan agreement / promissory note — Shows the loan amount, interest rate, and purpose of the loan.
• Official receipts from the bank — For all fees paid: processing fees, appraisal, notarial, and DST.
• Annual Statement of Account — From your new lender, breaking down principal vs. interest paid each year. This is your primary support document for any interest expense deduction.
• BIR Certificate of Registration (COR) — Proof that the home office or business use of the property is officially registered.
• Floor plan or layout diagram — Documenting the proportion of the property used for business purposes, if claiming partial deductions.
• DST payment receipts — Official receipts from the notary or bank for documentary stamp taxes paid.

Keep all of these for at least ten (10) years, which is the BIR's statute of limitations for assessment in cases of fraud or failure to file returns.

Real-World Tax Planning Scenarios

Scenario A: OFW Family Refinancing Their Home

An OFW family refinances their 6,000,000 peso home loan from 8.5% down to 5.99% through Nook. The property is purely residential with no income-generating use. In this case, no income tax deduction applies. However, the refinancing still delivers a monthly savings of approximately 8,500 pesos compared to their old rate — a very real financial benefit that doesn't require any tax filing to capture. You can estimate your own monthly savings using Nook's free refinance calculator.

Scenario B: Self-Employed Consultant with Home Office

A management consultant registered with the BIR as a sole proprietor uses 25% of her condominium in BGC as her primary workplace. She refinances her 5,000,000 peso loan from 9% to 5.99%. Her first-year interest under the new rate is approximately 299,500 pesos. She can deduct 25% of this — 74,875 pesos — as a business expense. At an effective income tax rate of 32%, this deduction translates to a tax saving of roughly 23,960 pesos in the first year alone.

Scenario C: Small Business Owner with Commercial Component

A restaurant owner refinances the property that houses both his family home (60%) and his small restaurant (40%). Only the 40% attributable to the business is deductible. On a 7,000,000 peso loan at 5.99%, first-year interest is approximately 419,300 pesos. The deductible portion is 167,720 pesos — subject to the 33% interest income adjustment rule.

How Refinancing Affects Your Overall Tax Position

Beyond direct deductions, refinancing at a lower rate can subtly shift your tax planning strategy. When you understand where current home loan interest rates in the Philippines stand, you'll see that moving from a rate above 8% to 5.99% doesn't just save you money on your amortization — it also reduces the gross interest expense you're paying, which means more of your cash flow is available for other tax-efficient investments such as PERA contributions, additional SSS or PhilHealth voluntary contributions, or business reinvestment.

For self-employed individuals, lower interest expense also means your net income (before deductions) appears higher on paper — which can actually support better loan applications, higher VISA approvals, and stronger credit profiles going forward.

Step-by-Step: Filing Your Interest Expense Deduction

If you've determined you qualify for an interest expense deduction, here's how to claim it correctly:

• Step 1: Obtain your Annual Statement of Account from your bank, clearly showing interest paid during the taxable year.
• Step 2: Compute the qualifying proportion (e.g., 25% for home office use) and calculate the deductible amount.
• Step 3: Apply the Section 34(B) adjustment: reduce your deductible interest by 33% of any final-tax interest income you earned during the year.
• Step 4: Enter the net deductible interest on Schedule 1 (Itemized Deductions) of BIR Form 1701 under "Interest Expense."
• Step 5: Attach supporting documents (bank statement, official receipts, floor plan for home office proportion) to your tax return records. These need not be submitted unless the BIR requests them, but they must be available.

Key Takeaways for Philippine Homeowners Refinancing in 2026

Home loan refinancing tax deductions in the Philippines are real — but they're not universal. The most important questions to ask yourself are: Am I a qualified taxpayer (self-employed or business entity)? Is the property used for income generation? And do I have proper documentation? If you can answer yes to all three, refinancing at a lower rate like 5.99% could deliver both a lower monthly payment and a meaningful tax benefit. If you're a pure compensation earner, the direct tax benefit may be limited — but the cash flow savings from a lower rate are no less valuable.

As with all tax matters, consulting a licensed CPA or tax attorney familiar with BIR regulations is strongly advised before claiming any deduction. Tax rules can change, and individual circumstances vary significantly.