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Overview of Blocs 77 in Watthana, Bangkok

Blocs 77 is a condo project, developed by Sansiri, located at BLOCS77, Soi Sukhumvit 77, Phra Khanong Nuea, Vadhana, Bangkok, 10110 Thailand. Construction of Blocs 77 was completed in Dec 2011. Condo comprises of 1 building, 28 floors and 118 units.

About Blocs 77
Blocs 77 condominium is a modern EIA approved project built by the Sansiri Group. Located on Sukhumvit soi 77 in On Nut a new and upcoming area in Bangkok. Blocs 77 is situated behind the On Nut market and quick access to Sukhumvit road and the nearest BTS station being On Nut. Right next to the On Nut BTS you will find a Tesco Lotus supermarket and many fast food restaurants and other shops situated in the complex. Blocs 77 a 28 story building with 467 modern and stylish condos available for rent and sale, 378 of the units are 1 bedroom,1 bathroom condos and the remaining 89 are 2 bedroom, 2 bathroom condos. Sansiri has built Blocs 77 as an escape from the busy city life with lush green gardens and recreation areas, swimming pool with jacuzzi and a bubble jet on the 5th floor and many other spread across the building and ground floor.
Available Units

Blocs 77 for sale: 28 available units from USD94,623 to USD255,331.
Blocs 77 for rent: 103 available units from USD360 to USD1,201 per month.

Facilities

Facilities at Blocs 77 include parking, children area, garden, gym, security and swimming pool.

Market stats

The average sale price at Blocs 77 is USD3,187 per sqm.
This is 33.5 % downtrend current average sale price in Watthana (USD4,789 per sqm) and 26.1 % downtrend the average price in Bangkok (USD4,314 per sqm).
sales prices at Blocs 77 are 2.5 % downtrend past year average price.

The average rent price at Blocs 77 is USD14 per sqm.
This is 28.1 % downtrend current average rent price in Watthana (USD19 per sqm) and 25.1 % downtrend the average price in Bangkok (USD19 per sqm).
rental prices at Blocs 77 are 5.9 % uptrend past year average price.

Video of Blocs 77
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Available units at Blocs 77
Price Bedrooms Bathrooms Size Floor Publisher
For sale and for rent studio condo in Watthana, Bangkok
USD126,164 USD3,154/m²
1
40 m²
27
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108Siam Sales and Rentals
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For sale 1 bed condo in Watthana, Bangkok
USD137,879 USD3,446/m²
1
1
40 m²
27
Premium
PropertyScout Great deals
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For sale and for rent studio condo in Watthana, Bangkok
USD123,160 USD3,079/m²
1
40 m²
23
Premium
108Siam Sales and Rentals
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For sale 1 bed condo in Watthana, Bangkok
USD141,184 USD3,208/m²
1
1
44 m²
23
Premium
FazWaz Bangkok Sales and Rentals
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For sale and for rent 1 bed condo in Watthana, Bangkok
USD125,864 USD3,146/m²
1
1
40 m²
20
Premium
FazWaz Bangkok Sales and Rentals
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For sale and for rent 1 bed condo in Watthana, Bangkok
USD94,623 USD3,052/m²
1
1
31 m²
5
Premium
FazWaz Bangkok Sales and Rentals
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For sale and for rent 1 bed condo in Watthana, Bangkok
USD164,914 USD4,022/m²
1
1
41 m²
5
Premium
FazWaz Bangkok Sales and Rentals
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For sale 1 bed condo in Watthana, Bangkok
USD129,168 USD3,229/m²
1
1
40 m²
25
Premium
PropertyScout Great deals
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For sale 1 bed condo in Watthana, Bangkok
USD119,856 USD2,996/m²
1
1
40 m²
23
Premium
FreshProperty - a brand of PropertyScout
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For sale 1 bed condo in Watthana, Bangkok
USD118,654 USD2,966/m²
1
1
40 m²
15
Premium
PropertyScout Great deals
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For sale and for rent 1 bed condo in Watthana, Bangkok
USD126,164 USD3,154/m²
1
1
40 m²
27
Premium
FazWaz Bangkok Sales and Rentals
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For sale 2 bedrooms condo in Watthana, Bangkok
USD195,254 USD3,050/m²
2
2
64 m²
23
Premium
108Siam Sales and Rentals
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For sale and for rent 1 bed condo in Watthana, Bangkok
USD121,658 USD3,041/m²
1
1
40 m²
9
Premium
108Siam Sales and Rentals
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For sale and for rent 1 bed condo in Watthana, Bangkok
USD118,654 USD2,966/m²
1
1
40 m²
9
Premium
FazWaz Bangkok Sales and Rentals
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For sale and for rent 1 bed condo in Watthana, Bangkok
USD135,176 USD3,379/m²
1
1
40 m²
16
Premium
108Siam Sales and Rentals
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For sale 1 bed condo in Watthana, Bangkok
USD118,654 USD2,966/m²
1
1
40 m²
15
Premium
108Siam Sales and Rentals
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For sale 1 bed condo in Watthana, Bangkok
USD118,654 USD3,042/m²
1
1
39 m²
18
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108Siam Sales and Rentals
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For sale 1 bed condo in Watthana, Bangkok
USD126,164 USD3,154/m²
1
1
40 m²
5
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PropertyScout Great deals
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For sale and for rent 2 bedrooms condo in Watthana, Bangkok
USD195,254 USD3,200/m²
2
2
61 m²
10
Premium
108Siam Sales and Rentals
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For sale and for rent 1 bed condo in Watthana, Bangkok
USD142,085 USD3,552/m²
1
1
40 m²
27
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FazWaz Bangkok Sales and Rentals
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1 - 20 of 28 results

Price Bedrooms Bathrooms Size Floor Publisher
For rent 1 bed condo in Watthana, Bangkok
USD541 USD13/m²
1
1
40 m²
24
Premium
FazWaz Bangkok Sales and Rentals
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For rent studio condo in Watthana, Bangkok
USD421 USD14/m²
1
30 m²
7
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108Siam Sales and Rentals
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For rent 1 bed condo in Watthana, Bangkok
USD688 USD14/m²
1
1
46 m²
17
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FazWaz Bangkok Sales and Rentals
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For rent 1 bed condo in Watthana, Bangkok
USD436 USD14/m²
1
1
30 m²
27
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Connex Property
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For rent 1 bed condo in Watthana, Bangkok
USD451 USD11/m²
1
1
41 m²
26
Premium
Connex Property
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For rent 1 bed condo in Watthana, Bangkok
USD451 USD11/m²
1
1
41 m²
20
Premium
Connex Property
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For rent 2 bedrooms condo in Watthana, Bangkok
USD901 USD13/m²
2
2
65 m²
19
Premium
108Siam Sales and Rentals
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For rent 1 bed condo in Watthana, Bangkok
USD601 USD15/m²
1
1
40 m²
9
Premium
108Siam Sales and Rentals
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For rent 1 bed condo in Watthana, Bangkok
USD541 USD13/m²
1
1
40 m²
9
Premium
108Siam Sales and Rentals
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For rent 1 bed condo in Watthana, Bangkok
USD511 USD12/m²
1
1
41 m²
9
Premium
FazWaz Bangkok Sales and Rentals
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For rent 1 bed condo in Watthana, Bangkok
USD481 USD15/m²
1
1
31 m²
23
Premium
108Siam Sales and Rentals
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For rent 1 bed condo in Watthana, Bangkok
USD391 USD12/m²
1
1
31 m²
5
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Connex Property
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For rent 1 bed condo in Watthana, Bangkok
USD451 USD14/m²
1
1
32 m²
19
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Connex Property
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For rent 1 bed condo in Watthana, Bangkok
USD601 USD15/m²
1
1
40 m²
24
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Connex Property
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For rent 1 bed condo in Watthana, Bangkok
USD541 USD13/m²
1
1
40 m²
9
Premium
Connex Property
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For rent 1 bed condo in Watthana, Bangkok
USD571 USD14/m²
1
1
40 m²
14
Premium
Connex Property
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For rent 1 bed condo in Watthana, Bangkok
USD436 USD14/m²
1
1
30 m²
27
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Connex Property
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For rent 1 bed condo in Watthana, Bangkok
USD481 USD12/m²
1
40 m²
9
Premium
Home Property Consulting Co., Ltd.
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For rent 1 bed condo in Watthana, Bangkok
USD451 USD15/m²
1
1
30 m²
8
Premium
Connex Property
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For rent 1 bed condo in Watthana, Bangkok
USD601 USD15/m²
1
1
40 m²
15
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Connex Property
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  • 1
  • 2
  • 3
  • 4
  • 5
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1 - 20 of 103 results

Features
  • Parking
  • Children area
  • Garden
  • Gym
  • Security
  • Swimming pool
Parking and Lifts
  • # of passenger lifts in each building: 4
  • # of service lifts in each building: 1
  • Parking type: Conventional
  • Ratio of parking spaces to # of units: 55%
  • Charging stations on site: yes
Management
  • Pets: Not allowed
  • Common area management company: Plus living management
  • Common area management fee: ฿40/sqm
Key facts about properties sold in Blocs 77
  • Average price per square meter: ฿102,000
  • Average selling time: 432 days on the market before being sold.
  • Trend to take advantage of: These properties sold for 6% below their original listing price.

Don't miss this investment opportunity in Blocs 77. This is the perfect time to purchase your next property in an exclusive location. Contact

Previous Sales at Blocs 77
Sold Date Sold Price Price/Sqm Bedrooms Bathrooms Size Floor Furnished View Ownership
12/02/2026 ฿3,900,000 ฿97,500/m² 1 1 40 m² 19 Partly Furnished Skyline View Thai Quota
05/02/2026 ฿3,500,000 ฿87,500/m² 1 1 40 m² 5 Unfurnished - Thai Quota
10/10/2025 ฿6,200,000 ฿103,333/m² 2 2 60 m² 24 Partly Furnished City View Thai Quota
05/10/2025 ฿6,000,000 ฿100,000/m² 2 2 60 m² 24 Partly Furnished - Thai Quota
03/02/2025 ฿3,500,000 ฿116,666/m² Studio 1 30 m² 22 Fully Furnished Unblocked Open View Foreign Quota
17/09/2024 ฿3,500,000 ฿87,500/m² 1 1 40 m² 13 Fully Furnished City View Thai Quota
23/04/2024 ฿6,450,000 ฿105,737/m² 2 2 61 m² 27 Fully Furnished City View Foreign Quota
17/05/2023 ฿3,585,000 ฿89,625/m² 1 1 40 m² 25 Fully Furnished City View Foreign Quota
15/01/2021 ฿4,427,800 ฿110,695/m² 1 1 40 m² 12 Fully Furnished River or Canal View Thai Quota
26/03/2019 ฿4,100,000 ฿100,000/m² 1 1 41 m² 6 - River or Canal View Thai Quota
26/03/2019 ฿4,400,000 ฿110,000/m² 1 1 40 m² 11 Fully Furnished City View Foreign Quota

Market insights

For sale USD306,567 USD4,790/sqm +1.2 % Evolution compared to June 2025 13,501 Condos for sale in Watthana, Bangkok
The average price for sale of condos in Watthana is USD306,566. Compare to a year ago (June 2025) this represents a rise of +1.2 % and a fall of -4.3 % since the beginning of the year (January 2026). The average price per square meter for sale in Watthana is USD4,789/sqm, 11.0 % higher than the Bangkok median of USD4,314/sqm. The average price in Watthana for condos for sale for studio is USD165,122, USD195,145 for 1 bedroom, USD397,613 for 2 bedrooms, USD790,504 for 3 bedrooms and USD1,338,598 for 4 or more bedrooms.
For rent USD1,349 USD20/sqm +3.1 % Evolution compared to June 2025 32,121 Condos for rent in Watthana, Bangkok
The average price for rent of condos in Watthana is USD1,348. Compare to a year ago (June 2025) this represents a rise of +3.1 % and a fall of -5.0 % since the beginning of the year (January 2026). The average price per square meter for rent in Watthana is USD19/sqm, 4.3 % higher than the Bangkok median of USD19/sqm. The average price in Watthana for condos for rent for studio is USD549, USD870 for 1 bedroom, USD1,651 for 2 bedrooms, USD2,694 for 3 bedrooms and USD4,430 for 4 or more bedrooms.
Frequently Asked Questions
Frequently Asked Questions
  • BTS Bang Chak, BTS Phra Khanong and BTS On Nut are close to Blocs 77.
  • Blocs 77 has 28 units for sale starting from USD94,623 up to USD255,331.
  • Blocs 77 has 103 units for rent starting from USD360 / month up to USD1,201 / month.
Location
Projects Nearby Blocs 77
Project Name
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Number of units
Sales Prices
Monthly Rentals
Year Built
Completion Status
United Tower
Watthana, Bangkok
42
USD660,859 - USD660,859
USD1,201 - USD4,505
Dec 2003
Completed
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Phatana Court
Watthana, Bangkok
12
N/A
USD1,051 - USD1,802
Jul 2026
Completed
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L3 Avenue
Watthana, Bangkok
4
N/A
USD1,051 - USD3,003
Dec 2008
Completed
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GM Heritage Sukhumvit 43
Watthana, Bangkok
1
USD39,110,844 - USD39,110,844
N/A
Oct 2024
Completed
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Silver Hill Residence Sukhumvit 65
Watthana, Bangkok
4
N/A
USD2,553 - USD2,853
Dec 2016
Completed
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Paragon 31
Watthana, Bangkok
7
N/A
USD1,802 - USD2,252
May 2017
Completed
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City Plus Ekkamai 10
Watthana, Bangkok
3
USD901,171 - USD901,171
USD4,656 - USD5,707
Jan 2004
Completed
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Baan Promsri 2
Watthana, Bangkok
4
N/A
USD4,205 - USD4,205
Jul 2026
Completed
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Destiny@55
Watthana, Bangkok
13
N/A
USD2,553 - USD3,754
Jan 2008
Completed
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Noble Form Thonglor
Watthana, Bangkok
109
USD172,724 - USD1,374,016
USD871 - USD2,553
Nov 2025
Completed
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