Last updated: 5 Mar 2026
Navigating a home loan in Singapore requires understanding the differences between fixed rates, floating rates tied to the Singapore Overnight Rate Average (SORA), and the standard HDB housing loan. Because property is a long-term commitment, the loan structure you choose directly impacts your monthly cash flow and total interest paid.
The Core Options: Bank Loan vs HDB Loan
When purchasing an HDB flat—whether a resale unit or through a recent BTO launch—buyers generally have two main avenues for financing: an HDB housing loan or a bank loan. For private properties like a new launch or resale condo, a bank loan is the only option.
HDB Housing Loan
- Rate Structure: Pegged at 0.1% above the prevailing CPF Ordinary Account (OA) interest rate.
- Stability: Historically stable, making it easier to predict monthly repayments over long periods.
- Flexibility: Allows you to pay off the loan early without penalty.
- Downpayment: Generally requires a lower cash outlay compared to bank loans, allowing more CPF usage.
Note: Always verify the latest CPF OA rates and HDB loan eligibility criteria directly on the official HDB and CPF portals, as policies are subject to review.
Bank Loans: Fixed vs Floating Rates
If you opt for a bank loan, you must decide between a fixed rate package or a floating rate package.
Fixed Rate Home Loans
- How it works: The interest rate remains locked for a specific duration, typically 1 to 5 years. After this lock-in period, the rate usually converts to a floating rate unless you refinance or reprice.
- Pros: Offers absolute certainty in monthly repayment amounts during the lock-in period, protecting you from sudden interest rate hikes.
- Cons: Often priced slightly higher than floating rates at the time of signing. If market interest rates drop, you remain locked into the higher rate. Refinancing during the lock-in period generally incurs significant penalty fees.
Floating Rate Home Loans (SORA-Pegged)
- How it works: In Singapore, most floating rate home loans are now pegged to the SORA. The package usually consists of a reference rate (like the 1-month or 3-month compounded SORA) plus a bank's margin (spread).
- Pros: Often starts lower than fixed rates. If broader interest rates decline, your monthly repayments will decrease accordingly.
- Cons: Your monthly repayments can fluctuate. If interest rates rise rapidly, your mortgage obligations will increase, which may strain cash flow.
MAS Financing Rules: TDSR and MSR
The Monetary Authority of Singapore (MAS) enforces strict financing frameworks to ensure borrowing remains prudent and sustainable.
- Total Debt Servicing Ratio (TDSR): Caps your total monthly debt obligations (including the prospective mortgage, car loans, credit cards, etc.) at a mandated percentage of your gross monthly income. This applies to all property loans.
- Mortgage Servicing Ratio (MSR): Specifically applies to the purchase of HDB flats and Executive Condominiums (ECs). It restricts the portion of your gross monthly income that can go toward your mortgage repayment.
Both ratios are calculated using a medium-term interest rate floor set by MAS, ensuring you can still afford the loan if rates climb. Always calculate your exact tax liabilities, like Buyer's Stamp Duty (BSD), to determine how much cash and CPF you actually have left for your downpayment.
How to Choose?
- Assess your cash flow buffer: Can you comfortably absorb a sudden increase in monthly payments? If yes, a floating rate might offer savings. If no, a fixed rate provides peace of mind.
- Review your property holding period: Are you planning to sell the property soon? Fixed-rate loans often carry penalties for early repayment during the lock-in period.
- Compare all costs: Look beyond the headline rate. Consider processing fees, valuation fees, and legal subsidies offered by the bank.
Official Sources
- Monetary Authority of Singapore (MAS): www.mas.gov.sg
- Housing & Development Board (HDB): www.hdb.gov.sg
- Central Provident Fund (CPF) Board: www.cpf.gov.sg
- SORA Information (MAS): www.mas.gov.sg/statistics/interest-rates
Free Viewing Checklist (HDB + Condo)
Planning to view units soon? Use this free checklist to compare homes and spot costly issues early.
- Get it here: Free Singapore Home Viewing Checklist (2026)
