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Data last updated 29 Sept 2026, 04:23.

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  1. Home
  2. For sale
  3. Watthana
  4. The Diplomat 39
  5. LTHC15363 – 👑 Exclusive Residence in the Heart of Sukhumvit | Luxury Condo | 19.5 MB คอนโดหรูพร้อมพงษ์ ให้ความเป็นส่วนตัว พร้อมคุณภาพชีวิตที่ลงตัว ใกล้ BTS
For salePropertyHub

LTHC15363 – 👑 Exclusive Residence in the Heart of Sukhumvit | Luxury Condo | 19.5 MB คอนโดหรูพร้อมพงษ์ ให้ความเป็นส่วนตัว พร้อมคุณภาพชีวิตที่ลงตัว ใกล้ BTS

The Diplomat 39→ · Watthana · Google Maps
฿19,500,000฿2,166,667 / m²Above market138 days listed
1 bed1 bath9 m²Condo9
฿19,500,000
Above market
฿2,166,667 / m²
PropertyHub
View on PropertyHub
฿19,500,000
฿2,166,667 / m²
View on PropertyHub
OverviewPriceCosts & returnsLocationBuildingSimilar

Price comparisonEstimated from other current listings, not a valuation — just a signal.Typical range (25th–75th percentile) of comparable listings, per m²

Above market

647% above the median price/m² of 68 comparable listings in this condo.

This listing
฿19,500,000
9 m² · ฿2,166,667/m²
At the median for 9 m²
฿2,612,173
฿16,887,827 more than the median
Typical range for this size
฿2,411,681 – ฿2,835,526
Comparables' median asking price: ฿17,250,000

Rental estimate & yieldGross yield = estimated rent × 12 ÷ asking price, before common fees, taxes, vacancy and agent fees. Asking rents, not signed contracts.

Based on 136 rentals in this condo: median ฿926/m² per month × 9 m².

Estimated rent
฿8,333/mo
฿7,753 – ฿9,219/mo
Gross yield
0.5%
0.5% – 0.6%
Median rent of comparables
฿54,000/mo
136 rentals, any size
Rentals of similar size
  • ฿33,000/mo·42.2 m²·
More details

Address

Address
Watthana Bangkok
Coordinates
13.73148, 100.57081

Listing history

Listing ID
PropertyHub #6054928
Posted at
13 May 2026
Source updated at
20 Sept 2026, 20:15
First seen
26 Sept 2026, 21:16
Last seen
28 Sept 2026, 18:45
Raw JSON
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  "price": {
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    "forSaleDownPayment": {
      "paid": null,
      "type": null,
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  },
  "title": "LTHC15363 – 👑 Exclusive Residence in the Heart of Sukhumvit | Luxury Condo | 19.5 MB คอนโดหรูพร้อมพงษ์ ให้ความเป็นส่วนตัว พร้อมคุณภาพชีวิตที่ลงตัว ใกล้ BTS",
  "project": {
    "id": "405",
    "logo": "/pictures/202101/20210130/CKot1sn1MRdc7xVUaVND/bb6e1093.jpg",
    "name": "The Diplomat 39",
    "slug": "the-diplomat-39",
    "address": "Watthana Bangkok",
    "location": {
      "lat": 13.7314832102898,
      "lng": 100.5708099152239
    },
    "nameEnglish": "The Diplomat 39",
    "coverPicture": "/pictures/202506/20250630/egEddrtbHYU9WadFqVxR/be7210af.jpg"
  },
  "postType": "FOR_SALE",
  "createdAt": "2026-05-13T06:06:26.615Z",
  "updatedAt": "2026-09-20T13:15:00.270Z",
  "modifiedAt": null,
  "refreshedAt": "2026-09-20T13:15:00.270Z",
  "coverPicture": "/pictures/202605/20260513/eFRRuNd2hHXRKkvEPFi4/be7210af.jpg",
  "propertyType": "CONDO",
  "sponsorPackage": "FREE",
  "roomInformation": {
    "onFloor": "9",
    "roomArea": 9,
    "roomType": "ROOM_TYPE_OTHER",
    "numberOfBed": 1,
    "numberOfBath": 1
  }
}
This listing ฿2,166,667Median ฿290,241฿267,965 – ฿315,058
Similarly priced nearby
  • ฿18,900,000·52.9 m²·฿357,616/m²·1 bed
  • ฿18,700,000·52.9 m²·฿353,832/m²·1 bed
  • ฿18,600,000·54 m²·฿344,444/m²·1 bed
  • ฿18,530,000·54 m²·฿343,148/m²·1 bed
  • ฿18,529,700·54 m²·฿343,143/m²·1 bed
  • ฿18,529,700·54 m²·฿343,143/m²·1 bed
1 bed
  • ฿50,000/mo·52 m²·1 bed
  • ฿50,000/mo·52.6 m²·1 bed
  • ฿50,000/mo·52.6 m²·1 bed
  • ฿55,000/mo·52.9 m²·1 bed
  • ฿50,000/mo·52.9 m²·1 bed
  • For sale

    Source details

    Post type
    For sale

    Cost of buying

    Land Office fees and taxes on top of the price. An estimate: the exact amounts are set by the Land Office on transfer day.

    Official appraisal
    ฿236,900/m² × 9 m² = ฿2,132,100
    Treasury Department appraisal for this floor · Registered as: เดอะ ดิ โพลแมท 39
    Asking price is 9.15× the official appraisal
    Valid until 31 Dec 2026 (the next appraisal cycle starts in 2027). Source: Treasury Department (assessprice.treasury.go.th)
    Transfer fee (2 % of appraisal)· split฿42,642
    Stamp duty (0.5 %)· seller฿97,500
    Withholding income tax· seller฿37,312
    You pay on top of the price฿21,321
    All-in for the buyer฿19,521,321
    Seller's taxes and fees฿156,133

    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.

    257 sale listings in a 158-unit building

    Net rental yieldWhat's left after the recurring costs of actually letting this unit out, on top of the rental estimate above.Vacancy assumes 30 days between tenants (default of 1 month — not enough history for this building yet).Estimate for guidance only: based on asking rents (not signed contracts) and simplified tax/fee rules. Not tax or investment advice.

    Estimated gross rent฿100,000
    Common area fee− ฿9,720
    Vacancy allowance− ฿8,219
    Letting agent fee (1 month/year)− ฿8,333
    Land & Building tax− ฿426
    Furnishing & maintenance allowance− ฿5,000
    Net annual income฿68,301
    Net yield
    0.3%
    0.3% – 0.4%
    vs. 0.5%% gross
    0.5%
    Total investment
    ฿19,521,321
    Price + ฿21,321 buyer's costs

    Cost of owning: ~฿810/mo common fee (฿90/m²/month)

    Key facts

    Price vs market
    647 % above market
    vs 68 similar units in this condo
    Net rental yield
    0.3% net yield
    0.5% gross before costs
    Buying costs
    ฿21,321
    Transfer fee & taxes, 50/50 split, cash
    Common fee
    ฿810/mo
    ฿90/m² per month
    Could rent for
    ฿8,333/mo
    0.5 % gross yield
    Project
    The Diplomat 39
    Built
    2019
    Floors
    31
    Units
    156
    Developer
    RAIMON LAND

    Building facilities24h security · CCTV · Clubhouse · Co-working space · Covered parking · Garden · Gym · Keycard access · Lift · Lounge · Parking · Reception · +1 more

    Flood risk:HighNearest: ถนนสุขุมวิท จากแยกอโศก ถึงสุขุมวิท 71 (flood-prone road segment) · ~166 mThis location is right next to a spot BMA has documented as flood-prone or flood-watch.1 documented spot within 300 m1 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)

    Commute to business hubsEstimated from OpenStreetMap rail lines, typical dwell/transfer times and walking speed — not a live timetable.Position is this project's approximate location; walking time is approximate too.

    • Asok / Sukhumvit
      Walk 3 min → BTS Phrom Phong → Asok / Sukhumvit (1 stop)
      ~8 min
    • Siam
      Walk 3 min → BTS Phrom Phong → Siam (5 stops)
      ~16 min
    • Silom
      Walk 3 min → BTS Phrom Phong → Silom (7 stops)
      ~20 min
    • Rama 9
      Walk 3 min → BTS Phrom Phong → MRT Sukhumvit → Rama 9 (3 stops)
      ~20 min
    • Sathorn
      Walk 3 min → BTS Phrom Phong → Sathorn (8 stops)
      ~22 min

    Location

    Open in Google Maps
    • 166 m to BTS Phrom Phong
    • 1.2 km to BTS Thong Lo
    • 1.2 km to MRT Sukhumvit
    • 1.3 km to BTS Asok
    • 1.5 km to MRT Queen Sirikit National Convention Centre
    • 1.9 km to BTS Nana

    Price history

    Observed atPrice
    26 Sept 2026, 21:16฿19,500,000

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