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Start with a consistent annual figure
Calculate rent received less operating costs. Use the bank schedule and account to total principal and interest actually paid. If instalments change or you make extra payments, do not simply multiply one month by twelve. Principal reduces the outstanding debt, but still leaves your cash account.
Show the cash calculation
Suppose annual operating income is 135,000 baht and actual bank payments total 120,000. That leaves 15,000 after debt payments. Deduct additional furniture purchases or bank costs not already included. These are illustrative assumptions, not a loan quotation. Account for tax as applicable; do not treat the entire instalment as an automatically deductible tax expense.
Assess the remaining buffer
Consider longer vacancy, equipment replacement and changing instalments. Determine whether other funds may be needed. Negative cash does not by itself mean a property has no value; positive cash does not remove risk. Use bank-confirmed repayment information and your actual income and spending to establish the annual contribution or remaining cash.
If operating costs are not complete, revisit Calculate Annual Rental Income After Operating Costs.
Sources checked 4 November 2026: Kasikornbank: bank home-loan information; confirm individual conditions with the lending bank.
This article is general information, not individual legal or financial advice. Details can change — please verify current requirements before making decisions.
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