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Data last updated 29 Sept 2026, 01:44.

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DDproperty

The Monument ThonglorAll units in this condo →

Watthana, Khlong Tan Nua · Google Maps
฿29,990,000฿239,537 / m²Great deal
2 beds3 baths
฿29,990,000
฿239,537 / 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

Great deal

17% below the median price/m² of 207 comparable listings in this condo.

This listing
฿29,990,000
125.2 m² · ฿239,537/m²
At the median for 125.2 m²
฿36,308,000
฿6,318,000 less than the median
Typical range for this size
฿31,951,040 – ฿43,769,920
Comparables' median asking price: ฿36,250,000

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

Based on 374 rentals in this condo: median ฿1,040/m² per month × 125.2 m².

Estimated rent
฿130,208/mo
฿120,192 – ฿150,000/mo
Gross yield
5.2%
4.8% – 6.0%
Median rent of comparables
฿130,000/mo
374 rentals, any size
Rentals of similar size
  • ฿130,000/mo·125.2 m²·
More details

Address

Subdistrict
Khlong Tan Nua
Address
998 Thonglor Road, Khlong Tan Nua, Watthana, Bangkok
Coordinates
13.74177, 100.58540 (approx.)

Listing history

Listing ID
DDproperty #500126941
Posted at
24 Sept 2026
First seen
26 Sept 2026, 20:15
Last seen
26 Sept 2026, 20:15
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125 m²
Condo
฿29,990,000
Great deal
฿239,537 / m²
DDpropertyFor sale
View on DDproperty
Listed by
Kanrutai Dawruang
Kanrutai Dawruang✓
Plus Property
Agent pageContact on DDproperty ↗
Listed by
Kanrutai Dawruang
Kanrutai Dawruang✓
Plus Property
Agent pageContact on DDproperty ↗
This listing ฿239,537Median ฿290,000฿255,200 – ฿349,600
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    1. Home
    2. For sale
    3. Watthana
    4. The Monument Thonglor
    5. The Monument Thonglor, bangkok
    For sale

    Source details

    Recency
    Listed on Sep 24, 2026 (2d ago)
    Developer
    Kanrutai Dawruang
    Agency
    Plus Property

    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
    ฿215,850/m² × 125.2 m² = ฿27,024,420
    Treasury Department appraisal, building median (฿181,800–฿244,900/m² by floor) · Registered as: เดอะ โมนูเมนต์ ทองหล่อ
    Asking price is 1.11× 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฿540,488
    Stamp duty (0.5 %)· seller฿149,950
    Withholding income tax· seller฿1,727,137
    You pay on top of the price฿270,244
    All-in for the buyer฿30,260,244
    Seller's taxes and fees฿2,147,331

    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 Monument Thonglor's location taken from other listings.

    Open in Google Maps
    • 1.6 km to ARL Ramkhamhaeng

    269 sale listings in a 127-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฿1,562,496
    Common area fee− ฿135,216
    Vacancy allowance− ฿128,424
    Letting agent fee (1 month/year)− ฿130,208
    Land & Building tax− ฿5,405
    Furnishing & maintenance allowance− ฿78,125
    Net annual income฿1,085,118
    Net yield
    3.6%
    3.3% – 4.2%
    vs. 5.2%% gross
    5.2%
    Total investment
    ฿30,260,244
    Price + ฿270,244 buyer's costs

    Cost of owning: ~฿11,268/mo common fee (฿90/m²/month)

    Key facts

    Price vs market
    17 % below market
    vs 207 similar units in this condo
    Net rental yield
    3.6% net yield
    5.2% gross before costs
    Buying costs
    ฿270,244
    Transfer fee & taxes, 50/50 split, cash
    Common fee
    ฿11,268/mo
    ฿90/m² per month
    Could rent for
    ฿130,208/mo
    5.2 % gross yield
    Pets
    Small/medium pets, by building rules
    Project
    The Monument Thonglor
    Built
    2019
    Floors
    45
    Units
    127
    Developer
    SANSIRI

    Building facilities24h security · CCTV · Co-working space · Covered parking · Function room · Garden · Gym · Jacuzzi · Keycard access · Lift · Lounge · Motorcycle parking · +9 more

    Commute to business hubs

    No BTS/MRT/rail station within a 1.5 km walk — you'd need a bus, taxi or car.

    Flood risk:MediumNearest: ถนนเอกมัย จากปากซอยสุขุมวิท 63 ถึงคลองแสนแสบ (flood-prone road segment) · ~478 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)

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

    ListingFloorAgentPostedPrice
    DDpropertyThe Monument Thonglor, bangkok↗
    		—FIRSTFRANK REALTY COMPANY LIMITED22 Sept 2026฿29,990,000

    Price history

    Observed atPrice
    26 Sept 2026, 20:15฿29,990,000

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