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Data last updated 28 Sept 2026, 18:47.

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DDproperty

The Room Sukhumvit 21All units in this condo →

Watthana, Khlongtoei Nua · Google Maps
฿16,500,000฿159,915 / m²Fair price
1 bed2 baths
฿16,500,000
฿159,915 / 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

4% above the median price/m² of 77 comparable listings in this condo.

This listing
฿16,500,000
103.2 m² · ฿159,915/m²
At the median for 103.2 m²
฿15,904,819
฿595,181 more than the median
Typical range for this size
฿14,141,729 – ฿17,355,549
Comparables' median asking price: ฿7,500,000

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

Based on 211 rentals in this condo: median ฿615/m² per month × 103.2 m².

Estimated rent
฿63,495/mo
฿58,914 – ฿69,467/mo
Gross yield
4.6%
4.3% – 5.1%
Median rent of comparables
฿30,000/mo
211 rentals, any size
Rentals of similar size
  • ฿70,000/mo·92.4 m²·
More details

Address

Subdistrict
Khlongtoei Nua
Address
Asok Montri Rd, Khlongtoei Nua, Watthana, Bangkok
Nearest transit
610 m (7 min) from BL22 Sukhumvit MRT
Coordinates
13.74345, 100.56139 (approx.)

Listing history

Listing ID
DDproperty #500303457
Posted at
24 Sept 2026
First seen
26 Sept 2026, 20:16
Last seen
26 Sept 2026, 20:16
Raw JSON
103 m²
Condo
฿16,500,000
Fair price
฿159,915 / m²
DDpropertyFor sale
View on DDproperty
Listed by
Chomratkamol Soontorntarawong (Gor)
Chomratkamol Soontorntarawong (Gor)✓
Lazudi Co., Ltd.
Agent pageContact on DDproperty ↗
Listed by
Chomratkamol Soontorntarawong (Gor)
Chomratkamol Soontorntarawong (Gor)✓
Lazudi Co., Ltd.
Agent pageContact on DDproperty ↗
This listing ฿159,915Median ฿154,146฿137,059 – ฿168,207
Similarly priced nearby
  • ฿16,500,000·103.1 m²·฿160,039/m²·1 bed
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1 bed
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  • ฿35,000/mo·55 m²·1 bed
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    1. Home
    2. For sale
    3. Watthana
    4. The Room Sukhumvit 21
    5. The Room Sukhumvit 21, bangkok
    For sale

    Source details

    Recency
    Listed on Sep 24, 2026 (2d ago)
    Developer
    Chomratkamol Soontorntarawong (Gor)
    Agency
    Lazudi Co., Ltd.

    LocationApproximate: this source doesn't publish coordinates, so this is The Room Sukhumvit 21's location taken from other listings.

    Open in Google Maps
    • 661 m to MRT Sukhumvit
    • 671 m to MRT Phetchaburi
    • 717 m to BTS Asok
    • 720 m to BTS Nana
    • 825 m to ARL Makkasan
    • 1.3 km to BTS Phloen Chit

    137 sale listings in a 213-unit building

    Flood risk:HighNearest: ถนนอโศกมนตรี บริเวณหน้าตึกแกรมมี่ (flood-prone road segment) · ~78 mThis location is right next to a spot BMA has documented as flood-prone or flood-watch.1 documented spot within 300 m4 documented spots 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 11 min → At Asok / Sukhumvit
      ~11 min
    • Rama 9
      Walk 11 min → MRT Phetchaburi → Rama 9 (1 stop)
      ~16 min
    • Siam
      Walk 12 min → BTS Nana → Siam (3 stops)
      ~21 min
    • Silom
      Walk 11 min → MRT Sukhumvit → Silom (4 stops)
      ~23 min
    • Sathorn
      Walk 12 min → BTS Nana → Sathorn (6 stops)
      ~27 min

    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
    ฿89,200/m² × 103.2 m² = ฿9,203,656
    Treasury Department appraisal, building median (฿83,600–฿108,300/m² by floor) · Registered as: เดอะรูม สุขุมวิท 21
    Asking price is 1.79× 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฿184,073
    Stamp duty (0.5 %)· seller฿82,500
    Withholding income tax· seller฿283,192
    You pay on top of the price฿92,037
    All-in for the buyer฿16,592,037
    Seller's taxes and fees฿457,728

    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.

    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฿761,939
    Common area fee− ฿59,432
    Vacancy allowance− ฿62,625
    Letting agent fee (1 month/year)− ฿63,495
    Land & Building tax− ฿1,841
    Furnishing & maintenance allowance− ฿38,097
    Net annual income฿536,450
    Net yield
    3.2%
    3.0% – 3.6%
    vs. 4.6%% gross
    4.6%
    Total investment
    ฿16,592,037
    Price + ฿92,037 buyer's costs

    Cost of owning: ~฿4,953/mo common fee (฿48/m²/month)

    Key facts

    Price vs market
    4 % above market
    vs 77 similar units in this condo
    Net rental yield
    3.2% net yield
    4.6% gross before costs
    Buying costs
    ฿92,037
    Transfer fee & taxes, 50/50 split, cash
    Common fee
    ฿4,953/mo
    ฿48/m² per month
    Could rent for
    ฿63,495/mo
    4.6 % gross yield
    Project
    The Room Sukhumvit 21
    Built
    2013
    Floors
    33
    Units
    213
    Developer
    LAND & HOUSE

    Building facilities24h security · CCTV · Co-working space · Covered parking · Garden · Gym · Keycard access · Laundry · Library · Lift · Meeting room · Motorcycle parking · +4 more

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    UnitBedsBathsSizeFloorPricePrice/sqmPosted
    15
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    		1137 m²—฿6,300,000
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    13
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    		23125 m²—฿23,500,000฿188,00027 Sept 2026
    13
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    		1150 m²—฿6,700,000฿134,00027 Sept 2026
    14
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    		1153 m²—฿6,490,000฿122,45327 Sept 2026
    15
    The Room Sukhumvit 21, bangkok
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    		23117 m²—฿27,000,000฿230,76926 Sept 2026
    19
    The Room Sukhumvit 21, bangkok
    DDproperty
    		12116 m²—฿16,000,000฿137,93125 Sept 2026
    32
    The Room Sukhumvit 21, bangkok
    DDproperty
    		22139 m²—฿26,500,000฿190,64724 Sept 2026
    10
    The Room Sukhumvit 21, bangkok
    DDproperty
    		22141 m²—฿24,900,000฿176,59624 Sept 2026
    19
    The Room Sukhumvit 21, bangkok
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    		2297 m²—฿15,500,000฿159,28524 Sept 2026
    9
    The Room Sukhumvit 21, bangkok
    DDproperty
    		1153 m²—฿6,800,000฿128,30224 Sept 2026
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    1 similar listingsSame project, beds, size and price, but the floor differs or is unknown — might be a different unit.

    ListingFloorAgentPostedPrice
    PropertyHub1 Bed 2 Bath 103 SQ.M The Room Sukhumvit 21↗
    		——7 May 2025฿16,500,000

    Price history

    Observed atPrice
    26 Sept 2026, 20:16฿16,500,000