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Data last updated 28 Sept 2026, 18:47.

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DDproperty

The Diplomat 39All units in this condo →

Watthana, Khlong Tan Nua · Google Maps
฿23,000,000฿302,632 / m²Fair price
2 beds2 baths
฿23,000,000
฿302,632 / m²
View on DDproperty
OverviewPriceCosts & returnsLocationBuildingSimilar

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

Fair price

2% below the median price/m² of 144 comparable listings in this condo.

This listing
฿23,000,000
76 m² · ฿302,632/m²
At the median for 76 m²
฿23,511,905
฿511,905 less than the median
Typical range for this size
฿22,352,941 – ฿25,862,353
Comparables' median asking price: ฿25,000,000

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

Based on 231 rentals in this condo: median ฿1,012/m² per month × 76 m².

Estimated rent
฿76,904/mo
฿71,530 – ฿80,533/mo
Gross yield
4.0%
3.7% – 4.2%
Median rent of comparables
฿80,000/mo
231 rentals, any size
Rentals of similar size
  • ฿80,000/mo·76 m²·2 beds
More details

Address

Subdistrict
Khlong Tan Nua
Address
18 Soi Sukhumvit 39, Sukhumvit Road, Khlong Tan Nua, Watthana, Bangkok
Nearest transit
240 m (3 min) from E5 Phrom Phong BTS
Coordinates
13.73148, 100.57081 (approx.)

Listing history

Listing ID
DDproperty #500429467
Posted at
24 Sept 2026
First seen
26 Sept 2026, 20:15
Last seen
26 Sept 2026, 20:15
Raw JSON
76 m²
Condo
฿23,000,000
Fair price
฿302,632 / m²
DDproperty
View on DDproperty
Listed by
Bangkok Residential
Bangkok Residential✓
บริษัท แบงคอก เรสซิเดนเชียล พร็อพเพอร์ตี้ กรุ๊ป จำกัด
Agent pageContact on DDproperty ↗
Listed by
Bangkok Residential
Bangkok Residential✓
บริษัท แบงคอก เรสซิเดนเชียล พร็อพเพอร์ตี้ กรุ๊ป จำกัด
Agent pageContact on DDproperty ↗
This listing ฿302,632Median ฿309,367฿294,118 – ฿340,294
Similarly priced nearby
  • ฿23,000,000·76 m²·฿302,632/m²·2 beds
  • ฿25,000,000·83 m²·฿301,205/m²·2 beds
  • ฿25,000,000·83 m²·฿301,205/m²·2 beds
  • ฿24,900,000·82.8 m²·฿300,688/m²·2 beds
  • ฿25,235,000·82.8 m²·฿304,734/m²·2 beds
  • ฿25,235,000·82.8 m²·฿304,734/m²·2 beds
  • ฿85,000/mo·76 m²·2 beds
  • ฿70,000/mo·76 m²·2 beds
  • ฿80,000/mo·76 m²·2 beds
  • ฿65,000/mo·76 m²·2 beds
  • ฿75,000/mo·76 m²·2 beds
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    1. Home
    2. For sale
    3. Watthana
    4. The Diplomat 39
    5. The Diplomat 39, bangkok
    For sale

    Source details

    Recency
    Listed on Sep 24, 2026 (2d ago)
    Developer
    Bangkok Residential
    Listing flag
    Corporate
    Agency
    บริษัท แบงคอก เรสซิเดนเชียล พร็อพเพอร์ตี้ กรุ๊ป จำกัด
    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
    ฿260,000/m² × 76 m² = ฿19,760,000
    Treasury Department appraisal, building median (฿232,100–฿281,700/m² by floor) · Registered as: เดอะ ดิ โพลแมท 39
    Asking price is 1.16× 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฿395,200
    Stamp duty (0.5 %)· seller฿115,000
    Withholding income tax· seller฿1,091,500
    You pay on top of the price฿197,600
    All-in for the buyer฿23,197,600
    Seller's taxes and fees฿1,404,100

    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.

    256 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฿922,853
    Common area fee− ฿82,080
    Vacancy allowance− ฿75,851
    Letting agent fee (1 month/year)− ฿76,904
    Land & Building tax− ฿3,952
    Furnishing & maintenance allowance− ฿46,143
    Net annual income฿637,923
    Net yield
    2.7%
    2.5% – 2.9%
    vs. 4.0%% gross
    4.0%
    Total investment
    ฿23,197,600
    Price + ฿197,600 buyer's costs

    Cost of owning: ~฿6,840/mo common fee (฿90/m²/month)

    LocationApproximate: this source doesn't publish coordinates, so this is The Diplomat 39's location taken from other listings.

    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

    Key facts

    Price vs market
    2 % below market
    vs 144 similar units in this condo
    Net rental yield
    2.7% net yield
    4.0% gross before costs
    Buying costs
    ฿197,600
    Transfer fee & taxes, 50/50 split, cash
    Common fee
    ฿6,840/mo
    ฿90/m² per month
    Could rent for
    ฿76,904/mo
    4.0 % 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

    1 similar listingsSame project, beds, size and price, but the floor differs or is unknown — might be a different unit.

    ListingFloorAgentPostedPrice
    DDpropertyThe Diplomat 39, bangkok↗
    		—PROPERTYSIGHTS REAL ESTATE11 Sept 2026฿23,000,000

    Price history

    Observed atPrice
    26 Sept 2026, 20:15฿23,000,000

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    UnitBedsBathsSizeFloorPricePrice/sqmPosted
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    🎉 For Sell Condo THE DIPLOMAT 39 Building 1, Floor 10,1 bed room, Room size 64 sqm
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    The Diplomat 39, bangkok
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    The Diplomat 39, bangkok
    DDproperty
    		2284 m²—฿25,000,000฿297,61926 Sept 2026
    29
    The Diplomat 39, bangkok
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    		2276 m²—฿28,000,000฿368,42126 Sept 2026
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    The Diplomat 39, bangkok
    DDproperty
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    46
    The Diplomat 39, bangkok
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    		34164 m²—฿55,000,000฿335,36625 Sept 2026
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