37% below the median price/m² of 2298 comparable listings in Ratchathewi.
Based on 10 rentals in this condo: median ฿310/m² per month × 76 m².

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Land Office fees and taxes on top of the price. An estimate: the exact amounts are set by the Land Office on transfer day.
| Transfer fee (2 % of appraisal)· split | ฿70,680 |
| Stamp duty (0.5 %)· seller | ฿40,000 |
| Withholding income tax· seller | ฿61,845 |
| You pay on top of the price | ฿35,340 |
| All-in for the buyer | ฿8,035,340 |
| Seller's taxes and fees | ฿137,185 |
No fee relief: it needs price, appraisal and loan ≤ ฿7M.Taxes are the seller's by custom, but it's negotiable: some sellers ask for a price "net" of fees.Individual sellers: on the appraisal, less a deduction by years held, at progressive rates (max 20 % of the price). Companies: 1 %.Estimate for guidance only, not tax or legal advice. Rules as of September 2026.
| Estimated gross rent | ฿282,533 |
| Common area fee | − ฿31,920 |
| Vacancy allowance | − ฿23,222 |
| Letting agent fee (1 month/year) | − ฿23,544 |
| Land & Building tax | − ฿707 |
| Furnishing & maintenance allowance | − ฿14,127 |
| Net annual income | ฿189,013 |
Cost of owning: ~฿2,660/mo common fee (฿35/m²/month)
Building facilities24h security · Bicycle parking · CCTV · Clubhouse · Covered parking · Gym · Keycard access · Lift · Minimart · Parking · Playground · Restaurant · +2 more
Flood risk:MediumNearest: ถนนพญาไท บริเวณหน้ากรมปศุสัตว (flood-prone road segment) · ~221 mA BMA-documented flood-prone spot is within easy reach of this location.1 documented spot within 300 m4 documented spots within 800 mPosition is this project's approximate location (median of nearby listings), not this exact unit.Based only on proximity to points BMA itself has flagged as flood-prone or flood-watch — not a hydrological model, and not the 2011 flood extent. A location with nothing nearby is not proven flood-safe: BMA's list covers the spots it chose to document, not a wall-to-wall survey. Source: Bangkok Metropolitan Administration, Department of Drainage and Sewerage (public map data)
| Listing | Floor | Agent | Posted | Price |
|---|---|---|---|---|
| 12 | — | 22 Aug 2024 | ฿8,000,000 | |
| 12 | landlord | 4 Feb 2022 | ฿8,000,000 |
5
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16| Unit | Beds | Baths | Size | Floor | Price | Price/sqm | Posted |
|---|---|---|---|---|---|---|---|
5Petch 9 Tower, bangkok DDproperty | 2 | 2 | 86 m² | — | ฿6,499,000 |
| Observed at | Price |
|---|---|
| 26 Sept 2026, 20:26 | ฿8,000,000 |
| ฿75,570 |
| 9 Sept 2026 |
6Petch 9 Tower, bangkok DDproperty | 2 | 2 | 87 m² | — | ฿7,200,000 | ฿82,759 | 2 Sept 2026 |
| 1 | 2 | 76 m² | 12 | ฿8,000,000 | ฿105,263 | 22 Aug 2024 |
| 2 | 2 | 110 m² | — | ฿40,000/mo | ฿364 | 26 Sept 2026 |
9Petch 9 Tower, bangkok DDproperty | 1 | 1 | 80 m² | — | ฿23,000/mo | ฿288 | 25 Sept 2026 |
6Petch 9 Tower, bangkok DDproperty | 2 | 2 | 145 m² | — | ฿68,000/mo | ฿469 | 25 Sept 2026 |
| 1 | 1 | 80 m² | 10 | ฿23,000/mo | ฿288 | 25 Sept 2026 |
18Petch 9 Tower, bangkok DDproperty | 2 | 2 | 110 m² | — | ฿40,000/mo | ฿364 | 24 Sept 2026 |
17คอนโด 2-ห้องนอน ที่ เพชร 9 หอคอย ใกล้ BTS ราชเทวี PropertyScout Fully furnished · Min. lease 12 mo · Pets OK | 2 | 2 | 110 m² | — | ฿40,000/mo | ฿364 | 21 Sept 2026 |
| 2 | 2 | 145 m² | 10 | ฿68,000/mo | ฿469 | 21 Sept 2026 |
17Petch 9 Tower, bangkok DDproperty | 2 | 2 | 145 m² | — | ฿68,000/mo | ฿469 | 18 Sept 2026 |
16Petch 9 Tower, bangkok DDproperty | 2 | 2 | 145 m² | — | ฿70,000/mo | ฿483 | 17 Sept 2026 |