9 Key Factors That Affect Mortgage Interest Rates in Singapore (2026)
What sets your Singapore home loan rate in 2026: the Fed, MAS, SORA, bank spreads, inflation, fixed versus floating, HDB loan pegs and your own profile.
How we made this. Updated for 2026 with AI-assisted research. Figures are linked to their sources — check them before you act.
Your mortgage rate has two parts. One is a market benchmark that nobody can negotiate. The other is the bank’s spread, and that part you can shop for. Nine factors sit behind these two parts. Some, like US interest rates, are far outside your control. Others, like your loan size, are not. This guide lists all nine for Singapore in October 2026, and shows which ones you can act on.
At a glance
- Benchmark: 3-month compounded SORA was about 1.23% on 1 October 2026. Floating packages cost about 1.5–1.8% and fixed packages about 2.0–2.2%.
- Trigger: The US Fed raised its target range to 3.75–4.00% on 16 September 2026, and banks raised their offers.
- Old benchmarks are gone. The 2015 version of this article used SIBOR. SIBOR and SOR have been discontinued.
- You control the spread, not the benchmark. A 0.25-point spread gap costs about S$2,900 over two years on a S$1m loan.
For a deeper look at the outlook, read our interest rate outlook.
The two parts of your rate
A floating package is usually priced as 3-month compounded SORA plus a spread. SORA is the volume-weighted average rate of overnight interbank lending in Singapore dollars, published by MAS. In 2015 the benchmark was SIBOR. The industry completed the move from SIBOR and SOR to SORA in early 2025.
A fixed package sets one rate for a period, often two or three years. Factors 1 to 6 below mostly move the benchmark. Factors 4, 7, 8 and 9 move the spread or the package.
Factors that move the benchmark
1. US Federal Reserve policy
Money moves freely between the US and Singapore, so US rates pull Singapore rates. The Fed raised its target range to 3.75–4.00% on 16 September 2026. Its September projections show a median of 4.1% at the end of 2026. After the hike, banks raised their floating and fixed packages, according to the Business Times.
2. MAS policy and the Singapore dollar
MAS does not set an interest rate. It manages the Singapore dollar against a basket of currencies. If markets expect the Singapore dollar to rise, they accept lower SGD interest rates. That is why 3M SORA moved only from about 1.19% to 1.23% around a Fed hike. MAS adjusted its policy band slightly in April and July 2026.
3. How SORA reaches your loan
SORA is compounded over the past three months, so it moves with a delay. Your loan resets only every three months. A rise in the market shows up in your instalment some months later, and so does a fall. That delay is a cushion when rates rise, and a lag when they fall.
4. Banks’ funding costs and competition
Banks fund loans from deposits and wholesale markets. When funding costs rise, they pass some on. When banks compete hard for loans, spreads fall. The lowest floating spread in September 2026 was 0.20%, which is thin. This factor matters as much as the benchmark. A bank can raise your spread when your lock-in ends, even if SORA does not move.
5. Inflation and growth
When inflation and growth run hot, central banks tighten to cool the economy. For Singapore, MAS does this mainly through the exchange rate, as factor 2 explains. Strong growth and rising wages also raise demand for credit, which supports rates. The 2015 article’s older points about full employment and GDP growth still hold, but today the effect arrives through the Fed and the Singapore dollar.
6. Global shocks and capital flows
A crisis can push rates in two directions. Fear can send money to safe currencies, which may lower SGD rates. A funding squeeze can lift the cost of borrowing. SORA was about 3.5–3.8% in 2023, and it has fallen to about 1.2% since. You cannot predict the next shock, so plan for the range.
Factors that move your spread and package
7. Fixed or floating: what the market expects
A fixed rate includes the market’s view of future rates, plus a charge for the bank taking the risk. In October 2026, fixed packages (about 2.0–2.2%) cost more than floating ones (about 1.5–1.8%). The gap partly reflects what banks charge to carry rate risk. Compare it with your own appetite for risk. Our SORA versus fixed guide works through the choice.
8. Which loan you take
The HDB concessionary loan does not follow SORA. It is pegged at 0.1 point above the CPF Ordinary Account rate, which is 2.5% with a legislated floor. So it is 2.6% in the fourth quarter of 2026. It is stable and higher than bank packages today. Bank loans for HDB flats and private homes follow the market.
9. Your own loan: size, profile and terms
Banks look at the loan size, the loan-to-value ratio, your credit record and the property. Package terms also differ by loan size. PropertyNet notes that loans below S$500,000 are often not fully subsidised for legal fees. The terms change the real cost too: the lock-in, the penalty, and the clawback on subsidies. You cannot change your credit record overnight, but you can ask several banks for offers and compare them.
What does not change your rate
Regulation affects how much you can borrow, not what you pay. Banks must test your loan at a 4% floor, and TDSR caps your total debt payments at 55% of income. A lower market rate does not lift those limits. So a 1.4% package does not let you borrow more.
A worked example: benchmark versus spread
Say you borrow S$1m over 30 years. All rates below are examples.
| Case | All-in rate | Monthly instalment |
|---|---|---|
| SORA 1.23% + spread 0.20% | 1.43% | S$3,418 |
| Same SORA, spread 0.45% | 1.68% | S$3,538 |
| SORA rises to 3.5% + spread 0.20% | 3.70% | S$4,603 |
A 0.25-point higher spread costs S$120 a month, or about S$2,900 over two years. A rise in SORA to the 2023 level costs S$1,185 a month. The benchmark risk is much bigger. But the spread is the part you can win by shopping, and it is paid on every instalment. Use the mortgage calculator with your own numbers.
What to do with this
- Test your budget at 4%, the rate banks use.
- Compare the spread for every year, not only year one.
- Choose fixed or floating by how much rate risk you can carry.
- Diary your lock-in end date, and compare offers three months before it. Our refinancing guide shows how.
Bottom line
The benchmark is set by the Fed, MAS and the Singapore dollar. You cannot change it, but you can prepare for it. Your spread, your loan size and your package terms are yours to shape. Borrow as if rates will reach 4%, and then a rise is a nuisance and not a crisis. Nothing here is personal financial advice.
Sources
- Singapore Overnight Rate Average (SORA) — MAS, updated 21 Jul 2026
- Singapore’s monetary policy framework — MAS, updated 19 Mar 2026
- Past monetary policy decisions — MAS, checked Oct 2026
- Calculating TDSR for property loans — MAS, updated 29 Sep 2022
- SOR and SIBOR to SORA transition — Association of Banks in Singapore, Feb 2025
- FOMC statement, 16 September 2026 — Federal Reserve, 16 Sep 2026
- Summary of Economic Projections, September 2026 — Federal Reserve, 16 Sep 2026
- S’pore mortgage rates rise following Fed hike — The Business Times, 2 Oct 2026
- Latest bank mortgage loan rates across Singapore — PropertyNet, 4 Sep 2026
- HDB loans guide — gov.sg (MyNiceHome), 24 Aug 2026
- CPF interest rates, 1 Oct to 31 Dec 2026 — CPF Board, checked 2 Oct 2026
- How do US Fed interest rates impact mortgage rates in Singapore? — PropertyGuru, 28 Nov 2024
