New investors ask "will the price go up?" Long-term survivors focus on rental cash flow. The metric is rental yield — annual rent divided by purchase price, times 100. The higher it is, the faster your capital works.
Bangkok condos average ~4–6% — strong versus many Asian capitals. Yields are not highest in the luxury core, where per-sqm prices outrun achievable rent.
| Zone | Approx. yield | Main tenants |
|---|---|---|
| Rangsit–Thammasat | 6–7% | Students |
| Rama 9–Huai Khwang | 5–6% | Office workers |
| Bang Na–Bearing | 5–6% | Estate/airport staff |
| Lower Sukhumvit | 3.5–4.5% | Expats/execs |
A 2–3M condo in a real rental-demand area often beats an 8M core unit. Do not trust paper yield — subtract common fees, maintenance and vacancy for the true net.
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