77% below the median price/m² of 5 comparable listings in this condo.
Based on 5 rentals in this condo: median ฿347/m² per month × 238 m².
{
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"title": {
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"floorSize": 238,
"salePrice": 6500000,
"created_at": "2026-08-20T10:20:20.730Z",
"furnishing": "fully_furnished",
"greatDeals": {},
"updated_at": "2026-09-22T06:28:41.039Z",
"description": {},
"subdistrict": "สวนหลวง",
"totalImages": 8,
"buildingName": "Royal Castle",
"neighborhood": "",
"propertyType": "condo",
"listingSource": "facebook_marketplace",
"market_status": "on",
"district_ps_cn": "苏安銮",
"district_ps_en": "Suan Luang",
"district_ps_th": "สวนหลวง",
"numberBedrooms": "four_bedrooms",
"province_ps_cn": "曼谷",
"province_ps_en": "Bangkok",
"province_ps_th": "กรุงเทพ",
"numberBathrooms": "four_bathrooms",
"serpSortingRank": {
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"sale": 3.302276961
},
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"ae_man_event_date": "2026-09-22T06:28:35.077Z",
"ae_man_event_type": "cannot_reach_landlord_third",
"greatDealsCluster": {},
"subdistrict_ps_cn": "苏安銮",
"subdistrict_ps_en": "Suan Luang",
"subdistrict_ps_th": "สวนหลวง",
"ae_man_event_result": "unknown",
"availabilitySubClusterCn": {
"availabilityHoverText": "如果客户感兴趣,我们的团队将核实房产是否可租/售",
"availabilityLabelLogo": "question",
"availabilityLabelText": "根据需求可查验是否可租/售",
"availabilityLabelColor": "pink"
},
"availabilitySubClusterDe": {
"availabilityHoverText": "Unser Team prüft die Verfügbarkeit der Immobilie, wenn ein Kunde interessiert ist",
"availabilityLabelLogo": "question",
"availabilityLabelText": "Verfügbarkeit auf Anfrage",
"availabilityLabelColor": "pink"
},
"availabilitySubClusterEn": {
"availabilityHoverText": "Our team will verify availability of the property if client is interested",
"availabilityLabelLogo": "question",
"availabilityLabelText": "Availability upon request",
"availabilityLabelColor": "pink"
},
"availabilitySubClusterMm": {
"availabilityHoverText": "ဖောက်သည်စိတ်ဝင်စားပါက ကျွန်ုပ်တို့၏အဖွဲ့သည် ပစ္စည်းရရှိနိုင်မှုကို စိစစ်ပါမည်",
"availabilityLabelLogo": "question",
"availabilityLabelText": "ရရှိနိုင်မှုကိုမေးမြန်းပါ",
"availabilityLabelColor": "pink"
},
"availabilitySubClusterTh": {
"availabilityHoverText": "ทีมงานของเราจะทำการตรวจสอบความพร้อมในการให้บริการ หากคุณสนใจอสังหาฯนี้",
"availabilityLabelLogo": "question",
"availabilityLabelText": "ความพร้อมการให้บริการ ตามคำร้องขอ",
"availabilityLabelColor": "pink"
},
"availability_subcluster_id": 3
}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 | ฿294,168 |
| Stamp duty (0.5 %)· seller | ฿73,542 |
| Withholding income tax· seller | ฿649,485 |
| You pay on top of the price | ฿147,084 |
| All-in for the buyer | ฿6,647,084 |
| Seller's taxes and fees | ฿870,111 |
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.
78 sale listings in a 146-unit building
| Estimated gross rent | ฿989,690 |
| Common area fee | − ฿121,380 |
| Vacancy allowance | − ฿81,344 |
| Letting agent fee (1 month/year) | − ฿82,474 |
| Land & Building tax | − ฿2,942 |
| Furnishing & maintenance allowance | − ฿49,484 |
| Net annual income | ฿652,065 |
Cost of owning: ~฿10,115/mo common fee (฿43/m²/month)
Building facilities24h security · CCTV · Golf simulator · Gym · Keycard access · Lift · Parking · Playground · Sauna · Swimming pool
Flood risk:MediumNearest: ถนนสุขุมวิท จากแยกอโศก ถึงสุขุมวิท 71 (flood-prone road segment) · ~479 mA BMA-documented flood-prone spot is within easy reach of this location.1 documented spot 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)

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15
5
14
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29
21
14
21
14| Unit | Beds | Baths | Size | Floor | Price | Price/sqm | Posted |
|---|---|---|---|---|---|---|---|
| 3 |
| 3 |
| 190 m² |
| 3 |
| ฿18,500,000 |
| ฿97,368 |
| 28 Sept 2026 |
14Royal Castle Sukhumvit, bangkok For saleDDproperty | 2 | 2 | 140 m² | — | ฿16,200,000 | ฿115,714 | 27 Sept 2026 |
23Royal Castle Sukhumvit, bangkok For saleDDproperty | 3 | 3 | 191 m² | — | ฿18,500,000 | ฿96,904 | 26 Sept 2026 |
15Royal Castle Sukhumvit, bangkok For saleDDproperty | 3 | 3 | 164 m² | — | ฿16,500,000 | ฿100,328 | 26 Sept 2026 |
5Royal Castle Sukhumvit, bangkok For saleDDproperty | 3 | 4 | 225 m² | — | ฿23,500,000 | ฿104,444 | 25 Sept 2026 |
| 3 | 2 | 133 m² | — | ฿13,500,000 | ฿101,268 | 25 Sept 2026 |
19Royal Castle Sukhumvit, bangkok For saleDDproperty | 3 | 3 | 167 m² | — | ฿17,500,000 | ฿104,790 | 25 Sept 2026 |
29Royal Castle Sukhumvit, bangkok For saleDDproperty | 4 | 5 | 265 m² | — | ฿31,600,000 | ฿119,245 | 24 Sept 2026 |
21Royal Castle Sukhumvit, bangkok For saleDDproperty | 2 | 2 | 140 m² | — | ฿15,500,000 | ฿110,714 | 24 Sept 2026 |
14Royal Castle Sukhumvit, bangkok For saleDDproperty | 4 | 4 | 220 m² | — | ฿27,700,000 | ฿125,909 | 23 Sept 2026 |
21Royal Castle Sukhumvit, bangkok For saleDDproperty | 3 | 2 | 144 m² | — | ฿15,900,000 | ฿110,417 | 23 Sept 2026 |
14Royal Castle Sukhumvit, bangkok For saleDDproperty | 2 | 2 | 140 m² | — | ฿16,200,000 | ฿115,714 | 23 Sept 2026 |
| Listing | Floor | Agent | Posted | Price |
|---|---|---|---|---|
| 4 | — | 14 Sept 2026 | ฿6,500,000 |
| Observed at | Price |
|---|---|
| 26 Sept 2026, 20:24 | ฿6,500,000 |