How to Calculate the Net Rental Yield of a Phuket Property

Important terms

Gross yield — Annual rent collected divided by total acquisition cost, before operating expenses.

Net operating income (NOI) — Collected rent minus vacancy allowance and recurring owner-paid operating costs, before finance and income tax.

Net yield — NOI divided by total acquisition cost, expressed as a percentage.

Vacancy allowance — A deliberate deduction for empty nights or unpaid periods. In Phuket, this should reflect tourism seasonality rather than a single flat percentage copied from a Bangkok model.

Detailed answer

Phuket brochures often quote a gross yield based on peak-season nightly rates multiplied by 365. That is not net yield, and it is rarely how cash flows in practice. Start with the national method in How to Calculate Rental Yield in Thailand, then add Phuket-specific discipline around seasonality and operating costs.

Total acquisition cost should include purchase price plus buyer-paid transfer taxes and fees, legal costs, furniture and fit-out, immediate repairs, and finance setup costs if applicable. Dividing rent by headline price alone inflates every yield figure.

Collected rent means cash in hand from executed leases or verified short-stay statements—not listing copy, developer projections, or a rental-guarantee brochure. Ask for bank deposits, management reports, and prior-year summaries. If evidence is thin, say so and widen your vacancy assumption rather than filling the gap with optimism.

Phuket seasonality matters because many holiday-rental and short-stay strategies earn disproportionately during the drier, busier months that owners commonly plan around as roughly November through April, with a wetter, quieter window commonly used for planning from roughly May through October. These are tourism planning conventions, not guarantees of occupancy or nightly rate. Your vacancy model should reflect how your specific asset type, location, and rental strategy perform across both windows—not a single annual average copied from a sales deck.

Use these formulas:

• Gross yield = (annual collected rent ÷ total acquisition cost) × 100
• NOI = collected rent − vacancy allowance − operating costs
• Net yield = (NOI ÷ total acquisition cost) × 100

Operating costs commonly include property management fees, common-area fees, pool and garden maintenance, cleaning between guests, insurance, repairs, replacement reserves for furniture and appliances, owner-paid utilities, and leasing or platform commissions. Income tax is analysed separately with a qualified adviser; do not net it into yield without explicit labelling.

Cross-check your assumptions with stress-testing three vacancy scenarios. A property that looks acceptable at 10% vacancy may fail at a severe case that reflects a soft low season plus an unexpected repair bill.

Provincial transfer volumes and market commentary from the Real Estate Information Center can inform whether buyer demand is active in a given period, but REIC data cannot establish your unit's achievable rent or occupancy. Use it for context, not as a substitute for property-level evidence.

Step-by-step

1. List total acquisition cost with every buyer-paid item included.
2. Gather executed leases, management statements, or platform payout records for comparable units.
3. Estimate collected rent on a conservative basis—discount peak-month extrapolations.
4. Build a vacancy allowance that reflects high-season and low-season occupancy separately, then combine.
5. Itemise every recurring owner-paid cost; include management, fees, maintenance, and insurance.
6. Calculate gross yield and net yield using the formulas above.
7. Stress-test lower rent, longer vacancy, and a major repair in the severe case.
8. Review Thai rental-income tax with a qualified adviser using Revenue Department guidance.

Comparison table

Hypothetical example

Illustrative assumptions only—not market data: Total acquisition cost THB 12,500,000. Annual collected rent THB 720,000 after applying a seasonality-aware vacancy allowance (not peak-rate extrapolation). Owner-paid operating costs THB 280,000 including management, pool, garden, insurance, and common fees.

Gross yield = 720,000 ÷ 12,500,000 ≈ 5.76%. NOI = 720,000 − 280,000 = THB 440,000. Net yield ≈ 3.52%.

These figures are invented to demonstrate the method. Income tax, financing, exchange rates, furnishing replacement cycles, and exit costs are excluded and must be analysed separately.

Risks

• Annualising one high-season month of short-stay income.
• Omitting pool, garden, and turnover cleaning from operating costs.
• Using a developer guarantee as the rent input instead of market evidence.
• Ignoring building rules that restrict short-term letting (verify with counsel).
• Treating REIC provincial statistics as proof of your unit's performance.

Checklist

• Total acquisition cost calculated with all buyer-paid items
• Collected rent evidenced by leases or management records
• Vacancy model reflects Phuket seasonality, not a flat guess
• Management, fees, maintenance, insurance, and utilities included
• Gross and net yield calculated separately
• Severe-case stress test completed
• Tax position reviewed with a qualified adviser

FAQ

Should I use the same vacancy rate year-round in Phuket?

No. Many owners model high-season and low-season occupancy separately, then combine. The exact split depends on your asset, location, and rental strategy—justify yours with evidence.

Is net yield the same as cash-on-cash return?

No. Cash-on-cash includes debt service and reflects how much cash you invested. Net yield measures the property's operating performance before financing.

Can I rely on a sales brochure yield figure?

Treat it as marketing until you rebuild the calculation with your own costs, vacancy, and evidence. See Phuket rental guarantee offers if a guarantee is attached.

Where does the national yield guide fit?

Start with calculate rental yield in Thailand for the core method, then apply Phuket seasonality and villa-specific costs as shown here.

Related reading

• How Phuket's Tourism Seasons Can Affect Rental Income
• Short-Term vs. Long-Term Rentals in Phuket: An Owner's Guide
• Phuket Property Guide: Freehold, Leasehold, Villas, Condominiums, and Local Risks
• Exit strategy: selling a foreign-owned condominium
• Planning Your Exit Strategy Before Buying a Phuket Investment Property