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Overview of HQ by Sansiri in Watthana, Bangkok

HQ by Sansiri is a condo project, developed by Sansiri, located at 121 Sukhumvit 55, Khlong Tan Nuea, Vadhana, Bangkok, 10110 Thailand. Construction of HQ by Sansiri was completed in Dec 2013. Condo comprises of 1 building, 36 floors and 517 units.

Details and highlights HQ by Sansiri
The HQ Thonglor by Sansiri so called Jewel of Thonglor condominium project from Sansiri one of the biggest residental property developers in Thailand is expected to be finished in February 2015. The condo is conveniently located just after Thonglor Soi 4 on Sukhumvit Soi 55 and only 5 minutes walk from Thong Lo BTS station on Sukhumvit road in Central Bangkok. The condo is located in a prime area on Thonglor road with 36 storeys and 197 condos rising above Bangkok offering great views of the city from the top floors. HQ condominium will have a selection of modern facilities 24 hour security service,fitness room,swimmin pool and CCTV cameras. Location of the condo will be perfect for anyone looking for easy access to trendy shops,bars and restaurants in Thonglor on daily basis.
Available Units

HQ by Sansiri for sale: 164 available units from S$ 1,941 to S$ 7,649,565.
HQ by Sansiri for rent: 426 available units from S$ 1,126 to S$ 698,945 per month.

Facilities

Facilities at HQ by Sansiri include parking, concierge, garden, gym, library, sauna, security and swimming pool.

Market stats

The average sale price at HQ by Sansiri is S$ 9,148 per sqm.
This is 47.3 % uptrend current average sale price in Watthana (S$ 6,209 per sqm) and 63.9 % uptrend the average price in Bangkok (S$ 5,580 per sqm).
sales prices at HQ by Sansiri are 2.9 % downtrend past year average price.

The average rent price at HQ by Sansiri is S$ 33 per sqm.
This is 29.3 % uptrend current average rent price in Watthana (S$ 25 per sqm) and 35.0 % uptrend the average price in Bangkok (S$ 24 per sqm).
rental prices at HQ by Sansiri are 2.1 % downtrend past year average price.

Video of HQ by Sansiri
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Available units at HQ by Sansiri
Price Bedrooms Bathrooms Size Floor Publisher
For sale 1 bed condo in Watthana, Bangkok
S$ 306,759 S$ 7,133/m²
1
1
43 m²
22
Premium
FazWaz Bangkok Sales and Rentals
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For rent and for sale 2 bedrooms condo in Watthana, Bangkok
S$ 733,892 S$ 9,289/m²
2
79 m²
Premium
Beyond Horizon
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For rent and for sale 2 bedrooms condo in Watthana, Bangkok
S$ 640,700 S$ 6,407/m²
2
2
100 m²
14
Premium
Waltz (For Rent Minimum 1 Year Stay)
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For rent and for sale 1 bed condo in Watthana, Bangkok
S$ 456,256 S$ 10,610/m²
1
1
43 m²
15
Premium
BKK CONDOS
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For sale 1 bed condo in Watthana, Bangkok
S$ 306,759 S$ 6,816/m²
1
1
45 m²
22
Premium
BKK CONDOS
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For sale 4 bedrooms condo in Watthana, Bangkok
S$ 7,649,566 S$ 16,275/m²
4
5
470 m²
35
Premium
BKK CONDOS
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For sale 1 bed condo in Watthana, Bangkok
S$ 698,945 S$ 8,736/m²
1
2
80 m²
Premium
JST Realty Group
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For rent and for sale 2 bedrooms condo in Watthana, Bangkok
S$ 656,620 S$ 8,311/m²
2
79 m²
Premium
Beyond Horizon
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For sale 1 bed condo in Watthana, Bangkok
S$ 345,590 S$ 6,911/m²
1
1
50 m²
18
Premium
Connex Property
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For sale 2 bedrooms condo in Watthana, Bangkok
S$ 1,040,652 S$ 10,406/m²
2
2
100 m²
30
Premium
108Siam Sales and Rentals
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For sale and for rent 1 bed condo in Watthana, Bangkok
S$ 368,888 S$ 6,360/m²
1
1
58 m²
19
Premium
108Siam Sales and Rentals
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For sale 1 bed condo in Watthana, Bangkok
S$ 298,993 S$ 5,979/m²
1
1
50 m²
22
Premium
Connex Property
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For sale 1 bed condo in Watthana, Bangkok
S$ 279,190 S$ 6,492/m²
1
1
43 m²
22
Premium
Connex Property
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For rent and for sale 2 bedrooms condo in Watthana, Bangkok
S$ 617,401 S$ 8,232/m²
2
2
75 m²
10
Premium
Hero Realtor Co., Ltd.
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For rent and for sale 2 bedrooms condo in Watthana, Bangkok
S$ 1,034,827 S$ 10,348/m²
2
100 m²
Premium
Beyond Horizon
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For rent and for sale 1 bed condo in Watthana, Bangkok
S$ 310,642 S$ 6,903/m²
1
1
45 m²
Premium
JST Realty Group
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For sale 1 bed condo in Watthana, Bangkok
S$ 590,220 S$ 7,377/m²
1
2
80 m²
33
Premium
Connex Property
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For sale 1 bed condo in Watthana, Bangkok
S$ 388,691 S$ 9,039/m²
1
1
43 m²
Premium
JST Realty Group
Contact
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For sale 2 bedrooms condo in Watthana, Bangkok
S$ 563,039 S$ 7,507/m²
2
2
75 m²
10
Premium
Connex Property
Contact
Show more
For rent and for sale 1 bed condo in Watthana, Bangkok
S$ 656,232 S$ 8,101/m²
1
2
81 m²
33
Premium
Waltz (For Rent Minimum 1 Year Stay)
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1 - 20 of 164 results

Price Bedrooms Bathrooms Size Floor Publisher
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1 - 20 of 426 results

Features
  • Parking
  • Concierge
  • Garden
  • Gym
  • Library
  • Sauna
  • Security
  • Swimming pool
Parking and Lifts
  • # of passenger lifts in each building: 3
  • # of service lifts in each building: 1
  • Parking type: Conventional
  • Ratio of parking spaces to # of units: 81%
  • Charging stations on site: no
Management
  • Pets: Not allowed
  • Common area management company: Plus living management
  • Common area management fee: ฿ 55
  • Sinking fund: ฿ 500
Key facts about properties sold in HQ by Sansiri
  • Average price per square meter: ฿200,000
  • Average selling time: 419 days on the market before being sold.
  • Trend to take advantage of: These properties sold for 16% below their original listing price.

Don't miss this investment opportunity in HQ by Sansiri. This is the perfect time to purchase your next property in an exclusive location. Contact

Previous Sales at HQ by Sansiri
Sold Date Sold Price Price/Sqm Bedrooms Bathrooms Size Floor Furnished View Ownership
22/01/2026 ฿ 15,000,000 ฿ 189,873/m² 2 2 79 m² 8 Fully Furnished Skyline View Foreign Quota
21/07/2025 ฿ 7,780,000 ฿ 165,531/m² Studio 1 47 m² 10 Fully Furnished City View Foreign Quota
01/03/2023 ฿ 7,700,000 ฿ 175,000/m² 1 1 44 m² 10 Partly Furnished City View Thai Quota
15/07/2022 ฿ 9,800,000 ฿ 192,156/m² 1 1 51 m² 13 Fully Furnished City View Thai Quota
24/02/2021 ฿ 26,500,000 ฿ 265,000/m² 2 2 100 m² 30 Fully Furnished City View Foreign Quota

Market insights

For sale S$ 411,219 S$ 6,210/sqm +0.7 % Evolution compared to May 2025 15,169 Condos for sale in Watthana, Bangkok
The average price for sale of condos in Watthana is S$ 411,218. Compare to a year ago (May 2025) this represents a rise of +0.7 % and a fall of -3.2 % since the beginning of the year (January 2026). The average price per square meter for sale in Watthana is S$ 6,209/sqm, 11.3 % higher than the Bangkok median of S$ 5,580/sqm. The average price in Watthana for condos for sale for studio is S$ 216,026, S$ 254,418 for 1 bedroom, S$ 514,565 for 2 bedrooms, S$ 1,019,718 for 3 bedrooms and S$ 1,721,907 for 4 or more bedrooms.
For rent S$ 1,763 S$ 26/sqm +4.6 % Evolution compared to May 2025 35,774 Condos for rent in Watthana, Bangkok
The average price for rent of condos in Watthana is S$ 1,762. Compare to a year ago (May 2025) this represents a rise of +4.6 % and a fall of -3.3 % since the beginning of the year (January 2026). The average price per square meter for rent in Watthana is S$ 25/sqm, 4.4 % higher than the Bangkok median of S$ 24/sqm. The average price in Watthana for condos for rent for studio is S$ 707, S$ 1,141 for 1 bedroom, S$ 2,154 for 2 bedrooms, S$ 3,485 for 3 bedrooms and S$ 5,607 for 4 or more bedrooms.
Frequently Asked Questions
Frequently Asked Questions
  • BTS Ekkamai, BTS Phra Khanong, BTS Phrom Phong and BTS Thong Lo are close to HQ by Sansiri.
  • HQ by Sansiri has 164 units for sale starting from S$ 1,941 up to S$ 7,649,565.
  • HQ by Sansiri has 426 units for rent starting from S$ 1,126 / month up to S$ 698,945 / month.
Location
Projects Nearby HQ by Sansiri
Project Name
Location
Number of units
Sales Prices
Monthly Rentals
Year Built
Completion Status
United Tower
Watthana, Bangkok
42
S$ 854,266 - S$ 854,266
S$ 1,475 - S$ 5,824
Dec 2003
Completed
More Details
Phatana Court
Watthana, Bangkok
9
N/A
S$ 1,359 - S$ 2,329
Jul 2026
Completed
More Details
L3 Avenue
Watthana, Bangkok
4
N/A
S$ 1,359 - S$ 3,883
Dec 2008
Completed
More Details
GM Heritage Sukhumvit 43
Watthana, Bangkok
1
S$ 50,557,027 - S$ 50,557,027
N/A
Oct 2024
Completed
More Details
Silver Hill Residence Sukhumvit 65
Watthana, Bangkok
4
N/A
S$ 3,300 - S$ 3,688
Dec 2016
Completed
More Details
Paragon 31
Watthana, Bangkok
7
N/A
S$ 2,329 - S$ 2,912
May 2017
Completed
More Details
City Plus Ekkamai 10
Watthana, Bangkok
3
S$ 1,164,908 - S$ 1,164,908
S$ 6,018 - S$ 7,377
Jan 2004
Completed
More Details
Baan Promsri 2
Watthana, Bangkok
4
N/A
S$ 5,436 - S$ 5,436
Jul 2026
Completed
More Details
Destiny@55
Watthana, Bangkok
12
N/A
S$ 3,300 - S$ 4,853
Jan 2008
Completed
More Details
Noble Form Thonglor
Watthana, Bangkok
110
S$ 205,412 - S$ 1,776,135
S$ 1,126 - S$ 3,300
Nov 2025
Completed
More Details