1 / 9

DDproperty

Klass SiamAll units in this condo →

Pathum Wan, Wang Mai · Google Maps

฿14,500,000฿207,143 / m²Above market

2 beds2 baths

฿14,500,000

฿207,143 / m²

View on DDproperty

Key facts

Price vs market

11 % above market

vs 11 similar units in this condo

Net rental yield

2.0% net yield

3.2% gross before costs

Buying costs

฿103,950

Transfer fee & taxes, 50/50 split, cash

Common fee

฿5,600/mo

฿80/m² per month

Could rent for

฿38,357/mo

3.2 % gross yield

Project

Klass Siam

Built

2017

Floors

Units

Building facilities24h security · CCTV · Garden · Gym · Jacuzzi · Keycard access · Library · Lift · Parking · Swimming pool

Price comparison

Above market

11% above the median price/m² of 11 comparable listings in this condo.

This listing

฿14,500,000

70 m² · ฿207,143/m²

At the median for 70 m²

฿13,005,906

฿1,494,095 more than the median

Typical range for this size

฿12,663,913 – ฿15,225,000

Comparables' median asking price: ฿12,900,000

Rental estimate & yield

Based on 21 rentals in this condo: median ฿548/m² per month × 70 m².

Estimated rent

฿38,357/mo

฿36,522 – ฿43,151/mo

Gross yield

3.2%

3.0% – 3.6%

Median rent of comparables

฿40,000/mo

21 rentals, any size

Rentals of similar size

฿59,000/mo·70 m²·

Location

Open in Google Maps

Flood risk:Low

Commute to business hubs

Siam
Walk 3 min → BTS National Stadium → Siam (1 stop)
~8 min
Silom
Walk 3 min → BTS National Stadium → Silom (3 stops)
~12 min
Sathorn
Walk 3 min → BTS National Stadium → Sathorn (4 stops)
~14 min
Asok / Sukhumvit
Walk 3 min → BTS National Stadium → Asok / Sukhumvit (5 stops)
~16 min
Rama 9
Walk 3 min → BTS National Stadium → MRT Sukhumvit → Rama 9 (7 stops)
~28 min

25 sale listings in a 79-unit building

Other units in Klass Siam

See all 98 in project

Similar condos nearby

More condos like this

More details

Address

Subdistrict: Wang Mai
Address: Rama I Road, Wang Mai, Pathum Wan, Bangkok
Nearest transit: 260 m (3 min) from W1 National Stadium BTS
Coordinates: 13.74822, 100.52855 (approx.)

Listing history

Listing ID: DDproperty #500377074
Posted at: 28 Sept 2026
First seen: 29 Sept 2026, 00:09
Last seen: 29 Sept 2026, 00:15

Raw JSON

This listing ฿207,143Median ฿185,799฿180,913 – ฿217,500

Price history

Observed at	Price
29 Sept 2026, 00:09	฿14,500,000

Net rental yield

Estimated gross rent	฿460,278
Common area fee	− ฿67,200
Vacancy allowance	− ฿37,831
Letting agent fee (1 month/year)	− ฿38,357
Land & Building tax	− ฿2,079
Furnishing & maintenance allowance	− ฿23,014
Net annual income	฿291,798

Net yield

2.0%

1.9% – 2.3%

vs. 3.2%% gross

3.2%

Total investment

฿14,603,950

Price + ฿103,950 buyer's costs

Cost of owning: ~฿5,600/mo common fee (฿80/m²/month)

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

฿148,500/m² × 70 m² = ฿10,395,000

Treasury Department appraisal, building median (฿144,700–฿154,000/m² by floor) · Registered as: คลาส สยาม

Asking price is 1.39× the official appraisal

Valid until 31 Dec 2026 (the next appraisal cycle starts in 2027). Source: Treasury Department (assessprice.treasury.go.th)

Buyer is a Thai individualMortgage loanTransfer fee paid bySeller has owned itSeller in the house registration ≥ 1 yearSeller is a company (developer)

Transfer fee (2 % of appraisal)· split	฿207,900
Stamp duty (0.5 %)· seller	฿72,500
Withholding income tax· seller	฿345,738
You pay on top of the price	฿103,950
All-in for the buyer	฿14,603,950
Seller's taxes and fees	฿522,188

No fee relief: it needs price, appraisal and loan ≤ ฿7M.

{
  "id": 500377074,
  "mrt": {
    "pill": {
      "colors": [
        "#008559"
      ]
    },
    "nearbyText": "260 m (3 min) from W1 National Stadium BTS"
  },
  "url": "https://www.ddproperty.com/en/property/klass-siam-bangkok-for-sale-500377074",
  "area": {
    "localeStringValue": "70 sqm"
  },
  "agent": {
    "id": 17547406,
    "name": "Kittiphop Machchima",
    "avatar": {
      "src": "https://th1-cdn.pgimgs.com/agent/17547406/APHO.130780062.V120B.png",
      "type": "circle"
    },
    "license": null,
    "agencyId": 40574,
    "hasLineId": true,
    "profileUrl": "/en/agent/kittiphop-machchima-17547406",
    "hasPhonePretty": false,
    "hasMobilePretty": true,
    "isAgentVerified": false,
    "isMobileAndPhonePrettyDifferent": false
  },
  "price": {
    "type": {
      "code": "BON",
      "text": "Negotiable"
    },
    "value": 14500000,
    "pretty": "฿14,500,000",
    "currency": "THB",
    "localeStringValue": "14500000"
  },
  "agency": {
    "id": 40574,
    "name": "FREELANCE REAL ESTATE AGENT (TH)"
  },
  "badges": [
    {
      "bg": "neutral",
      "name": "launch",
      "text": "Built: 2016",
      "type": "small",
      "variant": "secondary",
      "shouldShowIcon": false
    },
    {
      "bg": "neutral",
      "name": "unit_type",
      "text": "Condo",
      "type": "small",
      "variant": "secondary",
      "shouldShowIcon": false
    },
    {
      "bg": "neutral",
      "name": "tenure",
      "text": "Freehold",
      "type": "small",
      "variant": "secondary",
      "shouldShowIcon": false
    }
  ],
  "psfText": "฿207,143 / sqm",
  "recency": {
    "icon": "clock-o",
    "text": "Listed on Sep 28, 2026 (9h ago)",
    "iconName": "clock-circle-o"
  },
  "bedrooms": 2,
  "hasAward": false,
  "postedOn": {
    "text": "28 Sep 2026",
    "unix": 1790582696
  },
  "products": {
    "tier": 0,
    "isBoost": false,
    "isTurbo": false,
    "tracking": {
      "refType": ""
    },
    "isBoosted": false,
    "isNonPaid": false,
    "isPremium": false,
    "isRegular": false,
    "featuredBy": [],
    "isDegraded": false,
    "isFeatured": false,
    "isShowcase": false,
    "isStandard": false,
    "isTurboPro": false,
    "isSpotlight": false,
    "requestType": "listing-search",
    "isAutoRepost": false,
    "isDowngraded": false,
    "isSuperBoost": false,
    "isPremiumPlus": false,
    "isPrimaryGold": false,
    "isMainFeatured": false,
    "isPrimaryBasic": false,
    "isFeaturedListing": false,
    "isGalleryFeatured": false,
    "isPrimaryPlatinum": false,
    "isPromotedListing": false,
    "isRankedSpotlight": false,
    "isPremiumProjectListing": false,
    "isPropertySpecialistListing": false
  },
  "property": {
    "id": 7933,
    "typeCode": "SALE",
    "typeText": "For Sale",
    "typeGroup": "N",
    "newProject": false,
    "subTypeText": "Condo",
    "isPremiumProjectListing": false
  },
  "tracking": {
    "refType": ""
  },
  "typeCode": "SALE",
  "typeText": "For Sale",
  "badgeText": "Verified",
  "bathrooms": 2,
  "developer": "Kittiphop Machchima",
  "floorArea": 70,
  "thumbnail": "https://th1-cdn.pgimgs.com/listing/500377074/UPHO.136982428.V550.jpg",
  "highlights": {
    "items": [],
    "title": "Project Highlights"
  },
  "isVerified": false,
  "listerType": "agent",
  "mediaItems": [
    {
      "icon": "images",
      "text": "9",
      "iconName": "images-1-o",
      "mediaType": "images",
      "tooltipText": "9 Photos"
    }
  ],
  "statusCode": "ACT",
  "fullAddress": "Rama I Road, Wang Mai, Pathum Wan, Bangkok",
  "viewedLabel": "Viewed",
  "listedByText": "Listed by",
  "pricePerArea": {
    "localeStringValue": "฿207,143 / sqm"
  },
  "shortAddress": "Wang Mai, Pathum Wan, Bangkok",
  "isPreLaunched": false,
  "isPrioritized": false,
  "mediaCarousel": {
    "previewMedia": {
      "images": {
        "icon": "images",
        "name": {
          "plural": "Photos",
          "singular": "Photo"
        },
        "items": [
          {
            "src": "https://th1-cdn.pgimgs.com/listing/500377074/UPHO.136982428.V800/Klass-Siam-Pathum-Wan-Thailand.jpg",
            "caption": "Klass Siam, bangkok, Rama I Road, Wang Mai, Pathum Wan, Bangkok, 2 Bedrooms, 70 sqm, Condo For Sale, by Kittiphop Machchima, 500377074 - DDproperty.com"
          },
          {
            "src": "https://th1-cdn.pgimgs.com/listing/500377074/UPHO.136982429.V800/Klass-Siam-Pathum-Wan-Thailand.jpg",
            "caption": "Klass Siam, bangkok, Rama I Road, Wang Mai, Pathum Wan, Bangkok, 2 Bedrooms, 70 sqm, Condo For Sale, by Kittiphop Machchima, 500377074 - DDproperty.com"
          },
          {
            "src": "https://th1-cdn.pgimgs.com/listing/500377074/UPHO.136982430.V800/Klass-Siam-Pathum-Wan-Thailand.jpg",
            "caption": "Klass Siam, bangkok, Rama I Road, Wang Mai, Pathum Wan, Bangkok, 2 Bedrooms, 70 sqm, Condo For Sale, by Kittiphop Machchima, 500377074 - DDproperty.com"
          },
          {
            "src": "https://th1-cdn.pgimgs.com/listing/500377074/UPHO.136982431.V800/Klass-Siam-Pathum-Wan-Thailand.jpg",
            "caption": "Klass Siam, bangkok, Rama I Road, Wang Mai, Pathum Wan, Bangkok, 2 Bedrooms, 70 sqm, Condo For Sale, by Kittiphop Machchima, 500377074 - DDproperty.com"
          },
          {
            "src": "https://sg1-cdn.pgimgs.com/projectnet-project/152221/ZPPHO.127441485.V800/Klass-Siam-Pathum-Wan-Thailand.jpg",
            "caption": "Klass Siam, bangkok, Rama I Road, Wang Mai, Pathum Wan, Bangkok, 2 Bedrooms, 70 sqm, Condo For Sale, by Kittiphop Machchima, 500377074 - DDproperty.com"
          },
          {
            "src": "https://sg1-cdn.pgimgs.com/projectnet-project/152221/ZPPHO.127441486.V800/Klass-Siam-Pathum-Wan-Thailand.jpg",
            "caption": "Klass Siam, bangkok, Rama I Road, Wang Mai, Pathum Wan, Bangkok, 2 Bedrooms, 70 sqm, Condo For Sale, by Kittiphop Machchima, 500377074 - DDproperty.com"
          },
          {
            "src": "https://sg1-cdn.pgimgs.com/projectnet-project/152221/ZPPHO.127441487.V800/Klass-Siam-Pathum-Wan-Thailand.jpg",
            "caption": "Klass Siam, bangkok, Rama I Road, Wang Mai, Pathum Wan, Bangkok, 2 Bedrooms, 70 sqm, Condo For Sale, by Kittiphop Machchima, 500377074 - DDproperty.com"
          },
          {
            "src": "https://sg1-cdn.pgimgs.com/projectnet-project/152221/ZPPHO.127441488.V800/Klass-Siam-Pathum-Wan-Thailand.jpg",
            "caption": "Klass Siam, bangkok, Rama I Road, Wang Mai, Pathum Wan, Bangkok, 2 Bedrooms, 70 sqm, Condo For Sale, by Kittiphop Machchima, 500377074 - DDproperty.com"
          },
          {
            "src": "https://sg1-cdn.pgimgs.com/projectnet-project/152221/ZPPHO.127441489.V800/Klass-Siam-Pathum-Wan-Thailand.jpg",
            "caption": "Klass Siam, bangkok, Rama I Road, Wang Mai, Pathum Wan, Bangkok, 2 Bedrooms, 70 sqm, Condo For Sale, by Kittiphop Machchima, 500377074 - DDproperty.com"
          }
        ]
      },
      "videos": {
        "icon": "video-camera-o",
        "name": {
          "plural": "Live Tours",
          "singular": "Live Tour"
        },
        "items": []
      },
      "sitePlans": {
        "icon": "pgicon-plan-blk",
        "name": {
          "plural": "Site Plans",
          "singular": "Site Plan"
        },
        "items": []
      },
      "floorPlans": {
        "icon": "pgicon-floorplan",
        "name": {
          "plural": "Floor Plans",
          "singular": "Floor Plan"
        },
        "items": []
      },
      "heroVideos": {
        "icon": "",
        "name": {
          "plural": "",
          "singular": ""
        },
        "items": []
      },
      "virtualTours": {
        "icon": "video-clip-o",
        "name": {
          "plural": "Virtual Tours",
          "singular": "Virtual Tour"
        },
        "items": []
      }
    },
    "nextButtonTitle": "Next",
    "previousButtonTitle": "Previous"
  },
  "mediaControls": {
    "hideButtonTitle": "Hide Property",
    "shortlistButtonTitle": "Shortlist Property"
  },
  "additionalData": {
    "tenure": "F",
    "areaCode": "TH100702",
    "areaText": "Wang Mai",
    "regionCode": "TH10",
    "regionText": "Bangkok",
    "districtCode": "TH1007",
    "districtText": "Pathum Wan"
  },
  "localizedTitle": "Klass Siam, bangkok",
  "accountTypeCode": "NORMAL",
  "listingFeatures": [
    [
      {
        "text": "2",
        "iconName": "bed-o",
        "dataAutomationId": "listing-card-v2-bedrooms"
      },
      {
        "text": "2",
        "iconName": "bath-o",
        "dataAutomationId": "listing-card-v2-bathrooms"
      }
    ],
    {
      "text": "70 sqm",
      "dataAutomationId": "listing-card-v2-area"
    },
    {
      "text": "Condo",
      "dataAutomationId": "listing-card-v2-unit-type"
    },
    {
      "text": "Freehold",
      "dataAutomationId": "listing-card-v2-tenure"
    },
    {
      "text": "Built: 2016",
      "dataAutomationId": "listing-card-v2-build-year"
    }
  ],
  "viewProfileText": "View Agent Profile",
  "availabilityInfo": "",
  "contactAgentText": "Contact",
  "crossListingType": "ORIGINAL",
  "isOfficialListing": true,
  "isPhoneOtpEnabled": false,
  "isDeveloperListing": false,
  "isDeveloperUnitListing": false
}

Source details

Price type: Negotiable
Recency: Listed on Sep 28, 2026 (9h ago)
Developer: Kittiphop Machchima
Agency: FREELANCE REAL ESTATE AGENT (TH)

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

฿148,500/m² × 70 m² = ฿10,395,000

Treasury Department appraisal, building median (฿144,700–฿154,000/m² by floor) · Registered as: คลาส สยาม

Asking price is 1.39× the official appraisal

Valid until 31 Dec 2026 (the next appraisal cycle starts in 2027). Source: Treasury Department (assessprice.treasury.go.th)

Buyer is a Thai individualMortgage loanTransfer fee paid bySeller has owned itSeller in the house registration ≥ 1 yearSeller is a company (developer)

Transfer fee (2 % of appraisal)· split	฿207,900
Stamp duty (0.5 %)· seller	฿72,500
Withholding income tax· seller	฿345,738
You pay on top of the price	฿103,950
All-in for the buyer	฿14,603,950
Seller's taxes and fees	฿522,188

No fee relief: it needs price, appraisal and loan ≤ ฿7M.

25 sale listings in a 79-unit building

Net rental yield

Estimated gross rent	฿460,278
Common area fee	− ฿67,200
Vacancy allowance	− ฿37,831
Letting agent fee (1 month/year)	− ฿38,357
Land & Building tax	− ฿2,079
Furnishing & maintenance allowance	− ฿23,014
Net annual income	฿291,798

Net yield

2.0%

1.9% – 2.3%

vs. 3.2%% gross

3.2%

Total investment

฿14,603,950

Price + ฿103,950 buyer's costs

Cost of owning: ~฿5,600/mo common fee (฿80/m²/month)

Key facts

Price vs market

11 % above market

vs 11 similar units in this condo

Net rental yield

2.0% net yield

3.2% gross before costs

Buying costs

฿103,950

Transfer fee & taxes, 50/50 split, cash

Common fee

฿5,600/mo

฿80/m² per month

Could rent for

฿38,357/mo

3.2 % gross yield

Project

Klass Siam

Built

2017

Floors

Units

Building facilities24h security · CCTV · Garden · Gym · Jacuzzi · Keycard access · Library · Lift · Parking · Swimming pool

Commute to business hubs

Siam
Walk 3 min → BTS National Stadium → Siam (1 stop)
~8 min
Silom
Walk 3 min → BTS National Stadium → Silom (3 stops)
~12 min
Sathorn
Walk 3 min → BTS National Stadium → Sathorn (4 stops)
~14 min
Asok / Sukhumvit
Walk 3 min → BTS National Stadium → Asok / Sukhumvit (5 stops)
~16 min
Rama 9
Walk 3 min → BTS National Stadium → MRT Sukhumvit → Rama 9 (7 stops)
~28 min

Other units in Klass Siam

See all 98 in project

Price history

Observed at	Price
29 Sept 2026, 00:09	฿14,500,000

Klass SiamAll units in this condo →

Key facts

Price comparison

Rental estimate & yield

Location

Commute to business hubs

Other units in Klass Siam

Similar condos nearby

Address

Listing history

2 similar listings

Price history

Net rental yield

Cost of buying

Source details

Location

Cost of buying

Net rental yield

Key facts

Commute to business hubs

Other units in Klass Siam

2 similar listings

Price history

Similar condos nearby

Listing	Floor	Agent	Posted	Price
PropertyHub2-BR Condo at Klass Siam near BTS National Stadium (ID 3005465)↗	5	—	9 Sept 2026	฿14,500,000
PropertyScoutคอนโด 2-ห้องนอน ที่ คลาส สยาม ใกล้ BTS รถไฟฟ้าสนามกีฬาแห่งชาติ ↗	5	agent	16 Jun 2026	฿14,500,000

Klass SiamAll units in this condo →

Key facts

Price comparison?Estimated from other current listings, not a valuation — just a signal.Typical range (25th–75th percentile) of comparable listings, per m²

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

Location?Approximate: this source doesn't publish coordinates, so this is Klass Siam's location taken from other listings.

Commute to business hubs?Estimated 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.

Other units in Klass Siam

Similar condos nearby?Other projects with a 2 beds unit at a similar price and size, closest first.

Address

Listing history

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

Price history

Cost of buying

Source details

Location?Approximate: this source doesn't publish coordinates, so this is Klass Siam's location taken from other listings.

Cost of buying

Key facts

Commute to business hubs?Estimated 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.

Other units in Klass Siam

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

Price history

Similar condos nearby?Other projects with a 2 beds unit at a similar price and size, closest first.

Price comparison

Rental estimate & yield

Location

Commute to business hubs

Similar condos nearby

2 similar listings

Location

Commute to business hubs

2 similar listings

Similar condos nearby