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Data last updated 28 Sept 2026, 18:47.

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  1. Home
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  3. Watthana
  4. The Monument Thonglor
  5. The Monument Thonglor, bangkok
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DDproperty

The Monument ThonglorAll units in this condo →

Watthana, Khlong Tan Nua · Google Maps
฿24,990,000฿205,189 / m²Great deal
2 beds3 baths
฿24,990,000
฿205,189 / 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

29% below the median price/m² of 205 comparable listings in this condo.

This listing
฿24,990,000
121.8 m² · ฿205,189/m²
At the median for 121.8 m²
฿35,319,100
฿10,329,100 less than the median
Typical range for this size
฿31,080,808 – ฿42,382,920
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 371 rentals in this condo: median ฿1,040/m² per month × 121.8 m².

Estimated rent
฿126,662/mo
฿116,918 – ฿145,914/mo
Gross yield
6.1%
5.6% – 7.0%
Median rent of comparables
฿130,000/mo
371 rentals, any size
Rentals of similar size
  • ฿120,000/mo·121.8 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 #500449277
Posted at
16 Sept 2026
First seen
26 Sept 2026, 20:24
Last seen
26 Sept 2026, 20:24
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122 m²
Condo
฿24,990,000
Great deal
฿205,189 / m²
DDpropertyFor sale
View on DDproperty
Listed by
Ponthip Ussawakongkiate
Agent pageContact on DDproperty ↗
Listed by
Ponthip Ussawakongkiate
Agent pageContact on DDproperty ↗
This listing ฿205,189Median ฿290,000฿255,200 – ฿348,000
Similarly priced nearby
  • ฿24,900,000·121.8 m²·฿204,450/m²·2 beds
  • ฿25,990,000·125 m²·฿207,920/m²·2 beds
  • ฿25,990,000·125 m²·฿207,920/m²·2 beds
  • ฿25,990,000·125 m²·฿207,920/m²·2 beds
  • ฿26,000,000·121.8 m²·฿213,465/m²·2 beds
  • ฿26,000,000·121.8 m²·฿213,482/m²·2 beds
2 beds
  • ฿100,000/mo·121.8 m²·2 beds
  • ฿120,000/mo·122 m²·2 beds
  • ฿120,000/mo·121 m²·2 beds
  • ฿120,000/mo·121 m²·2 beds
  • ฿120,000/mo·121 m²·2 beds
  • For sale

    Source details

    Recency
    Listed on Sep 16, 2026 (1w ago)
    Developer
    Ponthip Ussawakongkiate

    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 × 121.8 m² = ฿26,288,372
    Treasury Department appraisal, building median (฿181,800–฿244,900/m² by floor) · Registered as: เดอะ โมนูเมนต์ ทองหล่อ
    Asking price is 0.95× 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฿525,767
    Stamp duty (0.5 %)· seller฿131,442
    Withholding income tax· seller฿1,662,733
    You pay on top of the price฿262,884
    All-in for the buyer฿25,252,884
    Seller's taxes and fees฿2,057,058

    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.

    267 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฿1,519,939
    Common area fee− ฿131,533
    Vacancy allowance− ฿124,927
    Letting agent fee (1 month/year)− ฿126,662
    Land & Building tax− ฿5,258
    Furnishing & maintenance allowance− ฿75,997
    Net annual income฿1,055,563
    Net yield
    4.2%
    3.8% – 4.9%
    vs. 6.1%% gross
    6.1%
    Total investment
    ฿25,252,884
    Price + ฿262,884 buyer's costs

    Cost of owning: ~฿10,961/mo common fee (฿90/m²/month)

    Key facts

    Price vs market
    29 % below market
    vs 205 similar units in this condo
    Net rental yield
    4.2% net yield
    6.1% gross before costs
    Buying costs
    ฿262,884
    Transfer fee & taxes, 50/50 split, cash
    Common fee
    ฿10,961/mo
    ฿90/m² per month
    Could rent for
    ฿126,662/mo
    6.1 % 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

    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

    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)

    Other units in The Monument Thonglor

    See all 722 in project

    Price history

    Observed atPrice
    26 Sept 2026, 20:24฿24,990,000
    24
    ฿95,000,000
    3 beds · 253 m²
    For saleDDproperty
    25
    ฿35,000,000
    2 beds · 125 m²
    For saleDDproperty
    16
    ฿102,000,000
    3 beds · 253 m²
    DDproperty
    36
    ฿31,900,000
    2 beds · 125 m²
    DDproperty
    31
    ฿39,500,000
    2 beds · 125 m²
    DDproperty
    34
    ฿40,000,000
    2 beds · 126 m²
    DDproperty
    33
    ฿46,000,000
    2 beds · 125 m²
    DDproperty
    28
    ฿39,500,000
    2 beds · 125 m²
    DDproperty
    31
    ฿39,000,000
    2 beds · 125 m²
    DDproperty
    32
    ฿28,500,000
    2 beds · 125 m²
    DDproperty
    30
    ฿26,900,000
    2 beds · 125 m²
    DDproperty
    21
    ฿85,000,000
    3 beds · 253 m²
    DDproperty
    UnitBedsBathsSizeFloorPricePrice/sqmPosted
    24
    The Monument Thonglor, bangkok
    DDproperty
    34253 m²—฿95,000,000
    ฿376,074
    27 Sept 2026
    25
    The Monument Thonglor, bangkok
    DDproperty
    22125 m²—฿35,000,000฿280,00027 Sept 2026
    16
    The Monument Thonglor, bangkok
    DDproperty
    35253 m²—฿102,000,000฿403,16227 Sept 2026
    36
    The Monument Thonglor, bangkok
    DDproperty
    23125 m²—฿31,900,000฿255,20026 Sept 2026
    31
    The Monument Thonglor, bangkok
    DDproperty
    23125 m²—฿39,500,000฿315,49526 Sept 2026
    34
    The Monument Thonglor, bangkok
    DDproperty
    23126 m²—฿40,000,000฿318,72526 Sept 2026
    33
    The Monument Thonglor, bangkok
    DDproperty
    23125 m²—฿46,000,000฿367,41226 Sept 2026
    28
    The Monument Thonglor, bangkok
    DDproperty
    23125 m²—฿39,500,000฿316,00026 Sept 2026
    31
    The Monument Thonglor, bangkok
    DDproperty
    23125 m²—฿39,000,000฿312,00026 Sept 2026
    32
    The Monument Thonglor, bangkok
    DDproperty
    23125 m²—฿28,500,000฿227,63625 Sept 2026
    30
    The Monument Thonglor, bangkok
    DDproperty
    23125 m²—฿26,900,000฿215,20025 Sept 2026
    21
    The Monument Thonglor, bangkok
    DDproperty
    34253 m²—฿85,000,000฿335,96825 Sept 2026
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