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Data last updated 29 Sept 2026, 04:23.

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DDproperty

The Diplomat 39All units in this condo →

Watthana, Khlong Tan Nua · Google Maps
฿29,000,000฿349,398 / m²Above market27+ days listed
2 beds2 baths
฿29,000,000
฿349,398 / 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

Above market

13% above the median price/m² of 144 comparable listings in this condo.

This listing
฿29,000,000
83 m² · ฿349,398/m²
At the median for 83 m²
฿25,664,474
฿3,335,526 more than the median
Typical range for this size
฿24,411,765 – ฿28,030,543
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 234 rentals in this condo: median ฿1,012/m² per month × 83 m².

Estimated rent
฿83,988/mo
฿78,118 – ฿87,368/mo
Gross yield
3.5%
3.2% – 3.6%
Median rent of comparables
฿80,000/mo
234 rentals, any size
Rentals of similar size
  • ฿70,000/mo·83 m²·
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 #500411319
Posted at
2 Sept 2026
First seen
26 Sept 2026, 20:26
Last seen
26 Sept 2026, 20:26
Raw JSON
83 m²
Condo
฿29,000,000
Above market
฿349,398 / m²
DDproperty
View on DDproperty
Listed by
Simon Decalf
Simon Decalf✓
MCLL ASIA CO., LTD.
Agent pageContact on DDproperty ↗
Listed by
Simon Decalf
Simon Decalf✓
MCLL ASIA CO., LTD.
Agent pageContact on DDproperty ↗
This listing ฿349,398Median ฿309,211฿294,118 – ฿337,717
Similarly priced nearby
  • ฿32,000,000·92 m²·฿347,826/m²·2 beds
  • ฿31,900,000·92 m²·฿346,739/m²·2 beds
  • ฿31,900,000·92 m²·฿346,739/m²·2 beds
  • ฿31,900,000·92 m²·฿346,739/m²·2 beds
  • ฿31,900,000·92 m²·฿346,739/m²·2 beds
  • ฿31,900,000·92 m²·฿346,739/m²·2 beds
2 beds
  • ฿72,000/mo·83 m²·2 beds
  • ฿80,000/mo·83 m²·2 beds
  • ฿72,000/mo·83 m²·2 beds
  • ฿72,000/mo·83 m²·2 beds
  • ฿65,000/mo·83 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 02, 2026 (3w ago)
    Developer
    Simon Decalf
    Listing flag
    Corporate
    Agency
    MCLL ASIA CO., LTD.
    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 × 83 m² = ฿21,580,000
    Treasury Department appraisal, building median (฿232,100–฿281,700/m² by floor) · Registered as: เดอะ ดิ โพลแมท 39
    Asking price is 1.34× 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฿431,600
    Stamp duty (0.5 %)· seller฿145,000
    Withholding income tax· seller฿1,250,750
    You pay on top of the price฿215,800
    All-in for the buyer฿29,215,800
    Seller's taxes and fees฿1,611,550

    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.

    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

    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฿1,007,852
    Common area fee− ฿89,640
    Vacancy allowance− ฿82,837
    Letting agent fee (1 month/year)− ฿83,988
    Land & Building tax− ฿4,316
    Furnishing & maintenance allowance− ฿50,393
    Net annual income฿696,679
    Net yield
    2.4%
    2.2% – 2.5%
    vs. 3.5%% gross
    3.5%
    Total investment
    ฿29,215,800
    Price + ฿215,800 buyer's costs

    Cost of owning: ~฿7,470/mo common fee (฿90/m²/month)

    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)

    Key facts

    Price vs market
    13 % above market
    vs 144 similar units in this condo
    Net rental yield
    2.4% net yield
    3.5% gross before costs
    Buying costs
    ฿215,800
    Transfer fee & taxes, 50/50 split, cash
    Common fee
    ฿7,470/mo
    ฿90/m² per month
    Could rent for
    ฿83,988/mo
    3.5 % 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

    Other units in The Diplomat 39

    See all 663 in project

    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
    32
    ฿23,500,000
    2 beds · 76 m²
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    27
    ฿25,000,000
    2 beds · 80 m²
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    28
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    1 bed · 54 m²
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    3 beds · 135 m²
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    44
    ฿24,750,000
    2 beds · 83 m²
    DDproperty
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    ฿28,500,000
    2 beds · 76 m²
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    1 bed · 53 m²
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    45
    ฿49,000,000
    3 beds · 164 m²
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    42
    ฿55,000,000
    3 beds · 152 m²
    DDproperty
    36
    ฿24,800,000
    2 beds · 85 m²
    DDproperty
    29
    ฿19,500,000
    1 bed · 65 m²
    DDproperty
    33
    ฿53,000,000
    3 beds · 164 m²
    DDproperty
    UnitBedsBathsSizeFloorPricePrice/sqmPosted
    32
    The Diplomat 39, bangkok
    DDproperty
    		2276 m²—฿23,500,000
    ฿309,211
    28 Sept 2026
    27
    The Diplomat 39, bangkok
    DDproperty
    		2280 m²—฿25,000,000฿312,50028 Sept 2026
    28
    The Diplomat 39, bangkok
    DDproperty
    		1154 m²—฿18,529,700฿343,14328 Sept 2026
    28
    The Diplomat 39, bangkok
    DDproperty
    		33135 m²—฿52,700,000฿390,37028 Sept 2026
    44
    The Diplomat 39, bangkok
    DDproperty
    		2283 m²—฿24,750,000฿298,87728 Sept 2026
    28
    The Diplomat 39, bangkok
    DDproperty
    		2276 m²—฿28,500,000฿375,00028 Sept 2026
    35
    The Diplomat 39, bangkok
    DDproperty
    		1153 m²—฿16,100,000฿306,20028 Sept 2026
    45
    The Diplomat 39, bangkok
    DDproperty
    		33164 m²—฿49,000,000฿298,78028 Sept 2026
    42
    The Diplomat 39, bangkok
    DDproperty
    		34152 m²—฿55,000,000฿361,84228 Sept 2026
    36
    The Diplomat 39, bangkok
    DDproperty
    		2285 m²—฿24,800,000฿291,76528 Sept 2026
    29
    The Diplomat 39, bangkok
    DDproperty
    		1165 m²—฿19,500,000฿300,00028 Sept 2026
    33
    The Diplomat 39, bangkok
    DDproperty
    		34164 m²—฿53,000,000฿323,17128 Sept 2026
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    Price history

    Observed atPrice
    26 Sept 2026, 20:26฿29,000,000