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Data last updated 28 Sept 2026, 18:09.

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DDproperty

Castle Hill MansionAll units in this condo →

Watthana, Phra Kanong Nua · Google Maps
฿41,000,000฿125,767 / m²Above market25+ days listed
3 beds3 baths
฿41,000,000
฿125,767 / 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

17% above the median price/m² of 7 comparable listings in this condo.

This listing
฿41,000,000
326 m² · ฿125,767/m²
At the median for 326 m²
฿35,107,693
฿5,892,307 more than the median
Typical range for this size
฿32,999,999 – ฿38,053,846
Comparables' median asking price: ฿35,000,000

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

Based on 1675 rentals in Watthana: median ฿588/m² per month × 326 m².

Estimated rent
฿191,766/mo
฿134,273 – ฿296,363/mo
Gross yield
5.6%
3.9% – 8.7%
Median rent of comparables
฿95,000/mo
1675 rentals, any size
Rentals of similar size
  • ฿290,000/mo·325 m²·3 beds
More details

Address

Subdistrict
Phra Kanong Nua
Address
12 Ekkamai 6 Alley, Phra Kanong Nua, Watthana, Bangkok
Nearest transit
880 m (11 min) from E7 Ekkamai BTS
Coordinates
13.72623, 100.58642 (approx.)

Listing history

Listing ID
DDproperty #500522722
Posted at
3 Sept 2026
First seen
26 Sept 2026, 20:26
Last seen
26 Sept 2026, 20:26
Raw JSON
326 m²
Condo
฿41,000,000
Above market
฿125,767 / m²
DDpropertyFor sale
View on DDproperty
Listed by
Chakkrapong Ponyeam✓
Agent pageContact on DDproperty ↗
Listed by
Chakkrapong Ponyeam✓
Agent pageContact on DDproperty ↗
This listing ฿125,767Median ฿107,692฿101,227 – ฿116,730
Similarly priced nearby
  • ฿41,000,000·326 m²·฿125,767/m²·3 beds
  • ฿41,000,000·326 m²·฿125,767/m²·3 beds
  • ฿35,000,000·325 m²·฿107,692/m²·3 beds
  • ฿35,000,000·325 m²·฿107,692/m²·3 beds
  • ฿33,000,000·326 m²·฿101,227/m²·3 beds
  • ฿33,000,000·326 m²·฿101,227/m²·3 beds
  • ฿290,000/mo·325 m²·3 beds
  • ฿270,000/mo·325 m²·3 beds
  • ฿230,000/mo·330 m²·3 beds
  • ฿280,000/mo·330 m²·3 beds
  • ฿65,000/mo·330 m²·3 beds
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    1. Home
    2. For sale
    3. Watthana
    4. Castle Hill Mansion
    5. Castle Hill Mansion, bangkok
    For sale

    Source details

    Recency
    Listed on Sep 03, 2026 (3w ago)
    Developer
    Chakkrapong Ponyeam

    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
    ฿49,200/m² × 326 m² = ฿16,039,200
    Treasury Department appraisal, building median (฿47,900–฿53,200/m² by floor) · Registered as: คาสซึลฮิล แมนชั่น
    Asking price is 2.56× 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฿320,784
    Stamp duty (0.5 %)· seller฿205,000
    Withholding income tax· seller฿765,930
    You pay on top of the price฿160,392
    All-in for the buyer฿41,160,392
    Seller's taxes and fees฿1,131,322

    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 Castle Hill Mansion's location taken from other listings.

    Open in Google Maps
    • 753 m to BTS Ekkamai
    • 882 m to BTS Thong Lo
    • 1.3 km to BTS Phra Khanong
    • 1.9 km to BTS Phrom Phong

    9 sale listings in a 31-unit building

    Net rental yieldWhat's left after the recurring costs of actually letting this unit out, on top of the rental estimate above.No fee reported for this project: estimated from similar buildings nearby.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฿2,301,195
    Common area fee− ฿166,260
    Vacancy allowance− ฿189,139
    Letting agent fee (1 month/year)− ฿191,766
    Land & Building tax− ฿3,208
    Furnishing & maintenance allowance− ฿115,060
    Net annual income฿1,635,762
    Net yield
    4.0%
    2.7% – 6.4%
    vs. 5.6%% gross
    5.6%
    Total investment
    ฿41,160,392
    Price + ฿160,392 buyer's costs

    Cost of owning: ~฿13,855/mo common fee (฿43/m²/month)

    Key facts

    Price vs market
    17 % above market
    vs 7 similar units in this condo
    Net rental yield
    4.0% net yield
    5.6% gross before costs
    Buying costs
    ฿160,392
    Transfer fee & taxes, 50/50 split, cash
    Common fee
    ฿13,855/mo
    Estimated, ~฿43/m² per month
    Could rent for
    ฿191,766/mo
    5.6 % gross yield
    Project
    Castle Hill Mansion
    Built
    1997
    Floors
    14
    Units
    31

    Building facilities24h security · BBQ area · CCTV · Covered parking · Garden · Gym · Jacuzzi · Lift · Parking · Sauna · Swimming pool

    Flood risk:HighNearest: ถนนเอกมัย จากปากซอยสุขุมวิท 63 ถึงคลองแสนแสบ (flood-prone road segment) · ~138 mThis location is right next to a spot BMA has documented as flood-prone or flood-watch.1 documented spot within 300 m2 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 12 min → BTS Ekkamai → Asok / Sukhumvit (3 stops)
      ~21 min
    • Siam
      Walk 12 min → BTS Ekkamai → Siam (7 stops)
      ~29 min
    • Silom
      Walk 12 min → BTS Ekkamai → Silom (9 stops)
      ~33 min
    • Rama 9
      Walk 12 min → BTS Ekkamai → MRT Sukhumvit → Rama 9 (5 stops)
      ~33 min
    • Sathorn
      Walk 12 min → BTS Ekkamai → Sathorn (10 stops)
      ~35 min

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    		33325 m²—฿35,000,000฿107,69231 Aug 2026
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    		33326 m²6฿33,000,000฿101,2279 May 2024
    For sale
    For sale
    For sale
    For sale
    For sale
    For sale
    For sale
    For sale
    For sale
    For sale
    For sale
    For sale
    For sale
    For sale

    Price history

    Observed atPrice
    26 Sept 2026, 20:26฿41,000,000

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

    ListingFloorAgentPostedPrice
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    		—Khun Nita15 Sept 2026฿41,000,000
    PropertyHubCastle Hill Mansion l Exceptional 326 sq.m. Residence near Ekkamai BTS↗
    		——2 Sept 2026฿41,000,000