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DDproperty

Condo One Siam condominiumAll units in this condo →

Pathum Wan, Wang Mai · Google Maps

฿5,500,000฿100,000 / m²Good price

1 bed1 bath

฿5,500,000

฿100,000 / m²

View on DDproperty

Key facts

Price vs market

9 % below market

vs 7 similar units in this condo

Net rental yield

3.3% net yield

5.0% gross before costs

Buying costs

฿223

Thai buyer (fee relief); foreign buyer ฿44,660

Common fee

฿2,613/mo

Estimated, ~฿48/m² per month

Price comparison

Good price

9% below the median price/m² of 7 comparable listings in this condo.

This listing

฿5,500,000

55 m² · ฿100,000/m²

At the median for 55 m²

฿6,072,917

฿572,917 less than the median

Typical range for this size

฿5,707,547 – ฿6,072,917

Comparables' median asking price: ฿5,500,000

Rental estimate & yield

Based on 15 rentals in this condo: median ฿415/m² per month × 55 m².

Estimated rent

฿22,830/mo

฿22,000 – ฿23,600/mo

Gross yield

5.0%

4.8% – 5.1%

Median rent of comparables

฿20,000/mo

15 rentals, any size

Rentals of similar size

฿22,000/mo·55 m²·

Location

Open in Google Maps

Flood risk:Low

Commute to business hubs

Siam
Walk 5 min → BTS National Stadium → Siam (1 stop)
~10 min
Silom
Walk 5 min → BTS National Stadium → Silom (3 stops)
~14 min
Sathorn
Walk 5 min → BTS National Stadium → Sathorn (4 stops)
~16 min
Asok / Sukhumvit
Walk 5 min → BTS National Stadium → Asok / Sukhumvit (5 stops)
~18 min
Rama 9
Walk 5 min → BTS National Stadium → MRT Sukhumvit → Rama 9 (7 stops)
~30 min

19 sale listings in a 147-unit building

Other units in Condo One Siam condominium

See all 50 in project

Similar condos nearby

More condos like this

More details

Address

Subdistrict: Wang Mai
Address: Rama 1, Wang Mai, Pathum Wan, Bangkok
Nearest transit: 420 m (5 min) from W1 National Stadium BTS
Coordinates: 13.74905, 100.52756 (approx.)

Listing history

Listing ID: DDproperty #500445958
Posted at: 24 Sept 2026
First seen: 26 Sept 2026, 20:16
Last seen: 26 Sept 2026, 20:16

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Listing	Floor	Agent	Posted	Price
DDpropertyCondo One Siam condominium, bangkok ↗	—	Sarawut Ratchawong	17 Sept 2026	฿5,500,000
PropertyHub1-BR Condo at Condo One Siam Condominium near BTS National Stadium (ID 3131832)↗	5	—	8 Sept 2026	฿5,500,000
PropertyScoutคอนโด 1-ห้องนอน ที่ คอนโด วัน สยาม คอนโดมิเนียม ใกล้ BTS รถไฟฟ้าสนามกีฬาแห่งชาติ ↗	5	agent	27 Jul 2026	฿5,500,000
PropertyHub1 Bed 55 SQ.M. Condo One Siam ↗	5	—	7 May 2025	฿5,500,000
PropertyHub1-BR Condo One Siam 300m To BTS National Stadium (ID 2002817)↗	5	—	10 Jan 2025	฿5,500,000
PropertyScoutคอนโด 1-ห้องนอน ที่ คอนโด วัน สยาม คอนโดมิเนียม ใกล้ BTS รถไฟฟ้าสนามกีฬาแห่งชาติ ↗	5	agent	8 Jan 2025	฿5,500,000

Estimated gross rent	฿273,959
Common area fee	− ฿31,350
Vacancy allowance	− ฿22,517
Letting agent fee (1 month/year)	− ฿22,830
Land & Building tax	− ฿893
Furnishing & maintenance allowance	− ฿13,698
Net annual income	฿182,671

Transfer fee (0.01 % relief)· split	฿447
Stamp duty (0.5 %)· seller	฿27,500
Withholding income tax· seller	฿81,310
You pay on top of the price	฿223
All-in for the buyer	฿5,500,223
Seller's taxes and fees	฿109,033

Transfer fee (0.01 % relief)· split	฿447
Stamp duty (0.5 %)· seller	฿27,500
Withholding income tax· seller	฿81,310
You pay on top of the price	฿223
All-in for the buyer	฿5,500,223
Seller's taxes and fees	฿109,033

Estimated gross rent	฿273,959
Common area fee	− ฿31,350
Vacancy allowance	− ฿22,517
Letting agent fee (1 month/year)	− ฿22,830
Land & Building tax	− ฿893
Furnishing & maintenance allowance	− ฿13,698
Net annual income	฿182,671

Condo One Siam condominiumAll units in this condo →

Key facts

Price comparison

Rental estimate & yield

Location

Commute to business hubs

Other units in Condo One Siam condominium

Similar condos nearby

Address

Listing history

6 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 Condo One Siam condominium

6 similar listings

Price history

Similar condos nearby

Condo One Siam condominiumAll 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 Condo One Siam condominium'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 Condo One Siam condominium

Similar condos nearby?Other projects with a 1 bed unit at a similar price and size, closest first.

Address

Listing history

6 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 Condo One Siam condominium'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 Condo One Siam condominium

6 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 1 bed unit at a similar price and size, closest first.

Price comparison

Rental estimate & yield

Location

Commute to business hubs

Similar condos nearby

6 similar listings

Location

Commute to business hubs

6 similar listings

Similar condos nearby