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Data last updated 29 Sept 2026, 04:23.

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DDproperty

Khun By YooAll units in this condo →

Watthana, Khlong Tan Nua · Google Maps
฿21,000,000฿428,571 / m²Above market31+ days listed
1 bed1 bath
฿21,000,000
฿428,571 / 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

12% above the median price/m² of 167 comparable listings in this condo.

This listing
฿21,000,000
49 m² · ฿428,571/m²
At the median for 49 m²
฿18,674,313
฿2,325,687 more than the median
Typical range for this size
฿16,120,951 – ฿22,000,000
Comparables' median asking price: ฿19,000,000

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

Based on 279 rentals in this condo: median ฿1,240/m² per month × 49 m².

Estimated rent
฿60,760/mo
฿57,051 – ฿65,000/mo
Gross yield
3.5%
3.3% – 3.7%
Median rent of comparables
฿60,000/mo
279 rentals, any size
Rentals of similar size
  • ฿69,000/mo·49 m²·1 bed
More details

Address

Subdistrict
Khlong Tan Nua
Address
338 Thonglor Road, Khlong Tan Nua, Watthana, Bangkok
Coordinates
13.73293, 100.58227 (approx.)

Listing history

Listing ID
DDproperty #11279567
Posted at
29 Aug 2026
First seen
26 Sept 2026, 20:26
Last seen
26 Sept 2026, 20:26
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49 m²
Condo
฿21,000,000
Above market
฿428,571 / m²
DDproperty
View on DDproperty
Listed by
Khun Sassy
Khun Sassy
บริษัท พีแอนด์เอ็มจิโซ จำกัด
Agent pageContact on DDproperty ↗
Listed by
Khun Sassy
Khun Sassy
บริษัท พีแอนด์เอ็มจิโซ จำกัด
Agent pageContact on DDproperty ↗
This listing ฿428,571Median ฿381,108฿328,999 – ฿448,980
Similarly priced nearby
  • ฿17,900,000·41.5 m²·฿431,118/m²·1 bed
  • ฿21,900,000·50 m²·฿438,000/m²·1 bed
  • ฿22,000,000·50 m²·฿440,000/m²·1 bed
  • ฿22,000,000·50 m²·฿440,000/m²·1 bed
  • ฿22,000,000·50 m²·฿440,000/m²·1 bed
  • ฿22,500,000·51 m²·฿441,176/m²·1 bed
  • ฿68,000/mo·49 m²·1 bed
  • ฿60,000/mo·49 m²·1 bed
  • ฿70,000/mo·49 m²·1 bed
  • ฿65,000/mo·49 m²·1 bed
  • ฿70,000/mo·49 m²·1 bed
    1. Home
    2. For sale
    3. Watthana
    4. Khun By Yoo
    5. Khun By Yoo, bangkok
    For sale

    Source details

    Price type
    Negotiable
    Recency
    Listed on Aug 29, 2026 (4w ago)
    Developer
    Khun Sassy
    Agency
    บริษัท พีแอนด์เอ็มจิโซ 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
    ฿294,500/m² × 49 m² = ฿14,430,500
    Treasury Department appraisal, building median (฿281,500–฿341,700/m² by floor) · Registered as: คุณ
    Asking price is 1.46× 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฿288,610
    Stamp duty (0.5 %)· seller฿105,000
    Withholding income tax· seller฿625,169
    You pay on top of the price฿144,305
    All-in for the buyer฿21,144,305
    Seller's taxes and fees฿874,474

    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 Khun By Yoo's location taken from other listings.

    Open in Google Maps
    • 1.0 km to BTS Thong Lo
    • 1.4 km to BTS Phrom Phong
    • 1.5 km to BTS Ekkamai

    372 sale listings in a 148-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 118 days between tenants (this building's typical time to re-let).Estimate for guidance only: based on asking rents (not signed contracts) and simplified tax/fee rules. Not tax or investment advice.

    Estimated gross rent฿729,120
    Common area fee− ฿76,440
    Vacancy allowance− ฿235,716
    Letting agent fee (1 month/year)− ฿60,760
    Land & Building tax− ฿2,886
    Furnishing & maintenance allowance− ฿36,456
    Net annual income฿316,862
    Net yield
    1.5%
    1.4% – 1.6%
    vs. 3.5%% gross
    3.5%
    Total investment
    ฿21,144,305
    Price + ฿144,305 buyer's costs

    Cost of owning: ~฿6,370/mo common fee (฿130/m²/month)

    Key facts

    Price vs market
    12 % above market
    vs 167 similar units in this condo
    Net rental yield
    1.5% net yield
    3.5% gross before costs
    Buying costs
    ฿144,305
    Transfer fee & taxes, 50/50 split, cash
    Common fee
    ฿6,370/mo
    ฿130/m² per month
    Could rent for
    ฿60,760/mo
    3.5 % gross yield
    Project
    Khun By Yoo
    Built
    2018
    Floors
    27
    Units
    148
    Developer
    Sansiri

    Building facilities24h security · CCTV · Covered parking · Game room · Garden · Gym · Jacuzzi · Keycard access · Library · Lift · Lounge · Meeting room · +9 more

    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 17 min → BTS Thong Lo → Asok / Sukhumvit (2 stops)
      ~24 min
    • Siam
      Walk 17 min → BTS Thong Lo → Siam (6 stops)
      ~32 min
    • Silom
      Walk 17 min → BTS Thong Lo → Silom (8 stops)
      ~36 min
    • Rama 9
      Walk 17 min → BTS Thong Lo → MRT Sukhumvit → Rama 9 (4 stops)
      ~36 min
    • Sathorn
      Walk 17 min → BTS Thong Lo → Sathorn (9 stops)
      ~38 min

    Flood risk:MediumNearest: ถนนเอกมัย จากปากซอยสุขุมวิท 63 ถึงคลองแสนแสบ (flood-prone road segment) · ~501 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)

    Price history

    Observed atPrice
    26 Sept 2026, 20:26฿21,000,000

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