Winson Yeung
Free Property Tools

Calculators & tools for smarter property decisions

Practical tools I built to help you plan your industrial and commercial property purchase — no sign-up, no cost. Pick a calculator below and get instant estimates.

1

Buyer's Stamp Duty Calculator

Non-residential rates (industrial & commercial) · effective 15 Feb 2023

Enter the purchase price to estimate the BSD payable on a non-residential property in Singapore. The calculator shows the tier-by-tier breakdown so you know exactly how the figure is calculated.

Buyer's Stamp Duty Calculator

Non-residential rates (industrial & commercial) — effective from 15 Feb 2023

$

Non-Residential BSD Rate Tiers

  • First $180,0001%
  • Next $180,001 – $360,0002%
  • Next $360,001 – $1,000,0003%
  • Next $1,000,001 – $1,500,0004%
  • Above $1,500,0005%

Estimated Buyer's Stamp Duty (BSD)

Payable within 14 days of OTP
$44,600
$0 – $180,000 @ 1%$1,800
$180,000 – $360,000 @ 2%$3,600
$360,000 – $1,000,000 @ 3%$19,200
$1,000,000 – $1,500,000 @ 4%$20,000
9% GST Note:$135,000 (if applicable)

GST applies only if the seller is GST-registered. If you purchase under a GST-registered company for taxable business use, you can claim this 9% GST back as input tax from IRAS.

Estimate only. Non-residential BSD is payable within 14 days of exercising the OTP. Confirm exact figures with your conveyancing lawyer.

2

Tenancy Stamp Duty Calculator

Lease duty on rental agreements · IRAS formula

Estimate the stamp duty payable when signing or renewing a lease. Based on average annual rent (including service charges, excluding GST) and lease term.

Tenancy Stamp Duty Calculator

Lease duty on rental agreements — IRAS formula, 0.4% × AAR × capped term

$

We'll multiply by 12 to get the annual figure. Include service & maintenance charges. Exclude GST.

Duty is capped at 4 years even for longer leases.

How it's calculated

  • If AAR ≤ $1,000 — exempt from duty
  • Lease ≤ 4 years: 0.4% × AAR × lease term
  • Lease > 4 years: 0.4% × AAR × 4 (capped)

Estimated Tenancy Stamp Duty

Payable upon signing the tenancy agreement
Exempt
Annual Rent Used$0
Lease Term Used3 years

Estimate only. Lease duty is payable within 14 days of signing. Confirm exact figures with IRAS or your conveyancing lawyer.

3

Rental Yield Calculator

Gross & net yield · investment property

See the gross and net rental yield on an investment property. Enter the purchase price, monthly rent, and annual expenses (property tax, management fees, insurance) to get instant yield figures.

Rental Yield Calculator

Gross & net yield for investment property — exclude GST

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$
$

Property tax, management fees, insurance, and other recurring costs.

Estimated Rental Yield

Gross Yield
5.20%
Net Yield (after expenses)
4.80%
Annual Rent$78,000
Annual Expenses−$6,000
Net Annual Income$72,000

Estimate only. Yield excludes GST, vacancy periods, and one-time costs. Confirm actual figures with your property agent or financial adviser.

4

Mortgage Loan Calculator

Monthly instalment · total interest · standard amortising loan

Estimate your monthly mortgage payment. Enter the property price, down payment percentage, interest rate, and loan tenure to see the monthly instalment, total interest, and total amount paid over the loan term.

Mortgage Loan Calculator

Monthly instalment, total interest & total paid — standard amortising loan

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%
%
yrs

Estimated Monthly Instalment

Enter a price and down payment to calculate
—

Estimate only. Actual rates and loan eligibility depend on your bank, credit assessment, and MAS regulations. Confirm with your bank or mortgage broker.

More tools on the way

I'm building more practical calculators and checklists to help investors plan industrial property purchases. Have a tool you'd find useful? Let me know.

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Important notes

These tools provide estimates for general planning only and do not constitute legal, tax, or financial advice. BSD rates, tenancy duty formulas, and property regulations may change. Always confirm the exact figures and latest requirements with IRAS, URA, your bank, your conveyancing lawyer, or the relevant authority before committing to any purchase or lease.

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