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DDproperty

The Room Sukhumvit 21All units in this condo →

Watthana, Khlongtoei Nua · Google Maps

฿6,490,000฿122,453 / m²Great deal

1 bed1 bath

฿6,490,000

฿122,453 / m²

View on DDproperty

Key facts

Price vs market

21 % below market

vs 77 similar units in this condo

Net rental yield

4.2% net yield

6.0% gross before costs

Buying costs

฿236

Thai buyer (fee relief); foreign buyer ฿47,276

Common fee

฿2,544/mo

฿48/m² per month

Price comparison

Great deal

21% below the median price/m² of 77 comparable listings in this condo.

This listing

฿6,490,000

53 m² · ฿122,453/m²

At the median for 53 m²

฿8,169,756

฿1,679,756 less than the median

Typical range for this size

฿7,310,345 – ฿8,914,946

Comparables' median asking price: ฿7,500,000

Rental estimate & yield

Based on 211 rentals in this condo: median ฿615/m² per month × 53 m².

Estimated rent

฿32,615/mo

฿30,262 – ฿35,683/mo

Gross yield

6.0%

5.6% – 6.6%

Median rent of comparables

฿30,000/mo

211 rentals, any size

Rentals of similar size

฿38,000/mo·53 m²·1 bed

Location

Open in Google Maps

Flood risk:HighNearest: ถนนอโศกมนตรี บริเวณหน้าตึกแกรมมี่ (flood-prone road segment) · ~78 m

Commute to business hubs

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

137 sale listings in a 213-unit building

Other units in The Room Sukhumvit 21

See all 433 in project

Similar condos nearby

More condos like this

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: 13.74362, 100.56127

Listing history

Listing ID: DDproperty #500593745
Posted at: 27 Sept 2026
First seen: 27 Sept 2026, 12:03
Last seen: 27 Sept 2026, 12:03

Raw JSON

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 × 53 m² = ฿4,727,600

Treasury Department appraisal, building median (฿83,600–฿108,300/m² by floor) · Registered as: เดอะรูม สุขุมวิท 21

Asking price is 1.37× 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 (0.01 % relief)· split	฿473
Stamp duty (0.5 %)· seller	฿32,450
Withholding income tax· seller	฿90,466
You pay on top of the price	฿236
All-in for the buyer	฿6,490,236
Seller's taxes and fees	฿123,152

Relief applies: 0.01 % transfer and mortgage fees for Thai buyers when price and appraisal are ≤ ฿7M (until 30 Jun 2027).

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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 × 53 m² = ฿4,727,600

Treasury Department appraisal, building median (฿83,600–฿108,300/m² by floor) · Registered as: เดอะรูม สุขุมวิท 21

Asking price is 1.37× 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 (0.01 % relief)· split	฿473
Stamp duty (0.5 %)· seller	฿32,450
Withholding income tax· seller	฿90,466
You pay on top of the price	฿236
All-in for the buyer	฿6,490,236
Seller's taxes and fees	฿123,152

Relief applies: 0.01 % transfer and mortgage fees for Thai buyers when price and appraisal are ≤ ฿7M (until 30 Jun 2027).

Estimated gross rent	฿391,382
Common area fee	− ฿30,528
Vacancy allowance	− ฿32,168
Letting agent fee (1 month/year)	− ฿32,615
Land & Building tax	− ฿946
Furnishing & maintenance allowance	− ฿19,569
Net annual income	฿275,556

Estimated gross rent	฿391,382
Common area fee	− ฿30,528
Vacancy allowance	− ฿32,168
Letting agent fee (1 month/year)	− ฿32,615
Land & Building tax	− ฿946
Furnishing & maintenance allowance	− ฿19,569
Net annual income	฿275,556

The Room Sukhumvit 21All units in this condo →

Key facts

Price comparison

Rental estimate & yield

Location

Commute to business hubs

Other units in The Room Sukhumvit 21

Similar condos nearby

Address

Listing history

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 The Room Sukhumvit 21

Price history

Similar condos nearby

The Room Sukhumvit 21All 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

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 The Room Sukhumvit 21

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

Address

Listing history

Price history

Cost of buying

Source details

Location

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 The Room Sukhumvit 21

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

Commute to business hubs

Similar condos nearby

Commute to business hubs

Similar condos nearby