Comprehensive investment analysis with acquisition costs, rental cash flow, and yield metrics.
Acquisition Summary
Down Payment (%)-
BSD-
ABSD ($) — auto-
Legal & Valuation-
Agent Fee-
Renovation-
Total Cash Required-
Monthly Cash Flow
Net Rental-
Mortgage at TOP-
Carrying Cost-
Monthly Cash Flow-
Annual Summary
Annual Rental-
Annual Expense-
Annual Tax-
Annual Net-
Yield Metrics
Gross Yield-
Net Yield-
Cash-on-Cash-
Break Even-
How to Use the Invest Calculator
Key Takeaways
IRR (internal rate of return) is the most comparable metric across property investments — it accounts for both rental income and capital appreciation on a time-weighted basis.
Singapore private property IRR has historically averaged 4–7% p.a. for OCR buy-and-hold — compare this against CPF OA (2.5%), fixed deposits (~3%), and S-REITs (~5%) before committing.
SSD can eliminate 3 years of returns if you exit within the holding period — always model Year 1, Year 2, and Year 3 exits to understand your liquidity risk.
Model exit at Year 5 and Year 10 — holding period has a dramatic effect on annualised returns once transaction costs are amortised over more years.
Total return and cash-on-cash return tell different stories: a negative cash-flow property can still deliver a strong IRR through capital appreciation.
What It Does
The most comprehensive property investment calculator in Singapore. Analyse every cost from Day 1 to exit — acquisition, stamp duty, financing, renovation, monthly carrying costs, rental income, tax, and projected IRR. See exactly what your net profit will be before you invest a single dollar.
You can find this calculator in the Calculators tab on ShiokNest. It updates results instantly as you adjust inputs — no waiting, no page reloads.
Why It Matters
Property investment is not a spreadsheet exercise — or at least, it should not be done with a simple spreadsheet. There are dozens of interconnected variables, and getting just one wrong (rental income, occupancy, interest rate, exit timing) can turn a projected profit into a real loss. The End-to-End calculator matters because it:
How It Works
Navigate to Calculators — Click the "Calculators" tab in the ShiokNest navigation bar. All 26 calculators are grouped by purpose for easy access.
Select the calculator — Choose "How to Use the End-to-End Investment Calculator" from the calculator list. You will see default values already loaded so you can explore immediately.
️ Enter your values — Replace the defaults with your own numbers. The key fields are:
Review the results — The calculator updates instantly as you change any input. A comprehensive dashboard shows cash outlay, loan amount, monthly cash flow, rental income, carrying costs, and projected IRR — everything an investor needs.
Run what-if scenarios — This is where the real power lies. Change one variable at a time to see its impact. For example, try increasing the interest rate by 1% or extending your holding period by 5 years. Note how the results shift.
Compare and decide — Run 2-3 different scenarios and note the results. This gives you a range of outcomes to base your decision on, rather than relying on a single projection.
Examples
Meet Alex, a seasoned investor analysing a $1,500,000 condo as a pure rental investment…
Results
Cash Outlay (Down + BSD)
$419,600
Loan (75% LTV)
$1,125,000
Mortgage Payment
$5,632/mo
Expected Rent
$3,800/mo
How to read this:
Day 1 cash needed: Alex needs $419,600 upfront (25% down payment + BSD of $44,600). Add legal fees, valuation, and renovation, and the true cash outlay could be $473,100 or more. Monthly cash flow: With rent at $3,800 and mortgage at $5,632, plus condo fees and property tax, the calculator shows exactly whether this property generates positive cash flow or requires monthly top-ups. The End-to-End calculator is the most comprehensive tool on ShiokNest — it leaves nothing to guesswork.
Tips & Pitfalls
Expert Tips
Use realistic assumptions — Singapore condo appreciation has historically averaged 2-4% per year. Avoid overly optimistic projections. When in doubt, use 3% as a baseline.
Stress-test everything — Run the calculator with 90% occupancy, 4.5% interest rate, and 2% appreciation simultaneously. If it still works, you have a resilient investment.
Factor in income tax — Rental income is taxable. At a 15% marginal rate, this reduces your net yield noticeably.
Common Pitfalls
Cherry-picking assumptions — Optimistic rent + optimistic appreciation + low expenses = fantasy returns. Use conservative numbers and be pleasantly surprised.
Ignoring exit costs — Agent fees (1-2%), legal fees, and potential SSD at exit can wipe out years of rental profit.
Frequently Asked Questions
Is my data saved?
No. All calculations run entirely in your browser. Nothing is stored on our servers or shared with third parties.
What appreciation rate should I use?
Singapore private property has averaged 2–4% p.a. appreciation historically. Use 3% as a base case, then run a pessimistic scenario at 1% and an optimistic scenario at 5% to see the range of IRR outcomes. Avoid using recent peak appreciation rates (2021–2022 saw 8–10% in some segments) as a base case.
Can I save my results?
Log in to save scenarios to your dashboard, or use the share button to copy a URL that encodes your inputs.
Does the IRR include loan principal repayment?
Yes. All mortgage cash flows (principal and interest) are included. The IRR reflects the return on your equity investment — the cash you actually put in — not the total property value. This is why leveraged property IRR can exceed the property's raw appreciation rate.
Why does a longer tenure improve cash flow but worsen total returns?
A longer tenure reduces monthly mortgage payments (improving monthly cash flow) but increases total interest paid over the life of the loan (reducing total equity gain). For investment properties, a 30-year tenure can result in paying 60–80% of the property price again in interest — which materially reduces total returns compared to a 20-year tenure at the same loan amount.