Planning to buy a home or refinance your existing mortgage? The Security Bank housing loan calculator helps you estimate your monthly amortization based on your desired loan amount, repayment term, and fixed interest rate period. With rates starting at 6.75% p.a. for a 5-year fixed term, Security Bank is one of the more competitive options available to Filipino borrowers in 2026 — and through Nook's free digital mortgage service, you can apply without paying a single centavo in broker fees.
Below, we answer the most common questions about how the Security Bank housing loan calculator works, what rates to expect, and how to determine if refinancing could lower your monthly payments. Note that all interest rates quoted are subject to change — always verify current rates with Security Bank or through Nook before making a financial decision.
The Security Bank housing loan calculator estimates your monthly amortization using three inputs: your loan amount, your chosen loan term (in years), and the applicable interest rate. It applies the standard mortgage amortization formula, which spreads your total principal and interest evenly across each month of the loan term.
For example, if you borrow 4,000,000 at a 5-year fixed rate of 6.75% p.a. over a 20-year term, the calculator computes a fixed monthly payment during the first 5-year period. After the fixed period ends, the rate reprices to the prevailing bank rate at that time — so your actual future payments may differ. Always use the calculator as an estimate, not a guaranteed payment schedule.
Nook's version of the calculator also lets you compare multiple loan scenarios side by side so you can see how different rates and terms affect your monthly cash flow before you commit.
Security Bank offers the following indicative housing loan rates for 2026:
- 1-Year Fixed: 6.99% p.a.
- 5-Year Fixed: 6.75% p.a.
- Home Equity: 7.50% p.a.
These are among the more competitive rates available from a major Philippine private bank. The 5-year fixed option at 6.75% is particularly attractive for borrowers who want medium-term payment stability without locking in at a higher long-term rate.
It's worth noting that if you are currently paying 8%, 9%, or higher on an existing home loan with another bank, refinancing to Security Bank through Nook could reduce your monthly amortization significantly. All rates are subject to change — verify the latest figures directly with Security Bank or through Nook before proceeding.
Here are sample monthly amortizations for a 3,000,000 loan at Security Bank's 5-year fixed rate of 6.75% p.a. across different loan terms:
- 10-year term: approximately 34,170 per month
- 15-year term: approximately 26,560 per month
- 20-year term: approximately 22,770 per month
- 25-year term: approximately 20,830 per month
These figures apply only during the fixed-rate period. After 5 years, the rate will reprice. If you are currently paying more than these amounts on a similar loan balance elsewhere, refinancing to Security Bank could free up meaningful cash each month. These are estimates — actual payments may vary depending on fees, insurance, and other bank-specific charges.
For a 5,000,000 loan at Security Bank's 5-year fixed rate of 6.75% p.a., estimated monthly amortizations are:
- 10-year term: approximately 56,950 per month
- 15-year term: approximately 44,270 per month
- 20-year term: approximately 37,950 per month
- 25-year term: approximately 34,720 per month
At the 1-year fixed rate of 6.99% p.a., a 5,000,000 loan over 20 years would be approximately 38,760 per month — slightly higher, reflecting the shorter fixed period. Choosing between the 1-year and 5-year fixed option depends on your outlook on interest rates and your need for payment certainty. If you want more stability, the 5-year fixed at 6.75% is typically the smarter choice.
Security Bank offers two main fixed-rate options: 1-year fixed at 6.99% and 5-year fixed at 6.75%. Interestingly, the 5-year fixed rate is actually lower than the 1-year fixed — which makes it the better choice for most borrowers in 2026.
- Choose 5-year fixed if you want lower monthly payments and rate certainty for a longer period. This is ideal if you plan to stay in the property long-term or want to budget with confidence.
- Choose 1-year fixed if you anticipate refinancing again soon, plan to sell the property, or believe rates will drop significantly within a year — though with 5-year fixed already lower, this scenario is less compelling today.
For most homeowners refinancing through Nook, the 5-year fixed at 6.75% offers the best combination of low rate and payment stability. You can compare Security Bank's rates against Metrobank to see how they stack up before deciding.
Security Bank has relatively accessible eligibility requirements compared to some other major banks. Key criteria include:
- Minimum monthly income: 50,000
- Maximum debt-to-income (DTI) ratio: 40% — meaning your total monthly loan payments, including the new housing loan, should not exceed 40% of your gross monthly income
- Employment types accepted: Private employees, Government employees, BPO workers, OFW/Seafarers, Self-employed individuals, Professionals, and Freelancers
Security Bank's willingness to lend to freelancers and OFWs sets it apart from banks with more restrictive employment policies. Loan purposes covered include refinancing, home purchase (RFO and pre-selling), new construction, renovation, home equity, and reselling of foreclosed properties.
If you are unsure whether you qualify, Nook can do a quick pre-assessment for free before you formally apply.
Security Bank's typical loan approval timeline is approximately 23 days from the submission of complete documents. This is competitive among Philippine banks, where some lenders can take 30–45 days or longer.
The 23-day timeline assumes your documents are complete and accurate. Common delays include incomplete income documents, title issues, or missing property appraisal reports. Applying through Nook helps streamline the process — our team reviews your documents before submission to catch issues early, which can significantly reduce back-and-forth with the bank.
Once approved, Security Bank will issue a Letter of Guarantee or Loan Offer Letter, which you must accept within the validity period (typically 30 days).
Yes — the calculator works equally well for refinancing scenarios. To estimate your refinancing savings, follow these steps:
- Enter your current outstanding loan balance as the loan amount (not your original loan amount)
- Select your preferred new loan term — you can choose to match your remaining term or extend it to lower monthly payments
- Use Security Bank's rate — 6.75% for 5-year fixed — as your new rate
- Compare the result against your current monthly amortization
For instance, if your outstanding balance is 4,500,000 with 18 years remaining at 9.5%, your current monthly payment is around 42,500. Refinancing to 6.75% over the same 18-year term could bring this down to approximately 36,800 — a saving of roughly 5,700 per month or 68,400 per year.
Want to see how Security Bank compares to other options? Check out our UCPB vs Security Bank comparison for a side-by-side rate analysis.
Security Bank is one of the stronger performers among Philippine private banks for housing loans in 2026. Here's how it generally compares:
- Rate competitiveness: Security Bank's 5-year fixed rate of 6.75% is lower than many competitor banks, which often price their 5-year fixed rates between 7.5% and 9%
- Processing speed: At 23 days, Security Bank is faster than the industry average of 30–45 days
- Income requirements: The 50,000 minimum monthly income threshold is moderate — accessible but not the lowest in the market
- Borrower inclusivity: Acceptance of freelancers, OFWs, and BPO workers gives Security Bank an edge for non-traditional employment types
The best bank for your situation depends on your loan amount, employment type, and how quickly you need approval. Nook works with multiple partner banks, so we can match you to the lender offering the best terms for your specific profile — at no cost to you.
Applying through Nook is straightforward and completely free. Here's how it works:
- Use the calculator to estimate your monthly amortization and confirm the loan makes sense for your budget
- Submit your details through Nook's online application — this takes about 10 minutes
- Upload your documents — Nook's team will tell you exactly what you need based on your employment type and loan purpose
- Nook submits to Security Bank on your behalf and manages the process through to approval
- Receive your offer — review, sign, and proceed to loan release
Nook's fee is paid by the bank, not by you. There are no hidden charges for borrowers. If you want to explore whether Security Bank or another lender offers better terms for your situation, Nook can run a multi-bank comparison before you commit to any application. The best refinance rate currently available through Nook is 5.99% p.a. — depending on your profile, you may qualify for an even lower rate than Security Bank's standard offering.