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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 108 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: 31 available units from USD96,183 to USD259,541.
Blocs 77 for rent: 91 available units from USD366 to USD1,221 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 USD3,122 per sqm.
This is 33.2 % downtrend current average sale price in Watthana (USD4,675 per sqm) and 25.9 % downtrend the average price in Bangkok (USD4,214 per sqm).
sales prices at Blocs 77 are 4.0 % downtrend past year average price.

The average rent price at Blocs 77 is USD14 per sqm.
This is 26.2 % downtrend current average rent price in Watthana (USD19 per sqm) and 23.7 % downtrend the average price in Bangkok (USD18 per sqm).
rental prices at Blocs 77 are 1.7 % 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 1 bed condo in Watthana, Bangkok
USD114,504 USD2,862/m²
1
1
40 m²
15
Premium
108Siam Sales and Rentals
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For sale 2 bedrooms condo in Watthana, Bangkok
USD229,008 USD3,754/m²
2
2
61 m²
27
Premium
Bangkok Residence
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For sale 2 bedrooms condo in Watthana, Bangkok
USD201,527 USD3,358/m²
2
2
60 m²
23
Premium
PropertyScout Great deals
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For sale and for rent studio condo in Watthana, Bangkok
USD128,244 USD3,206/m²
1
40 m²
27
Premium
108Siam Sales and Rentals
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For sale 1 bed condo in Watthana, Bangkok
USD114,504 USD2,862/m²
1
1
40 m²
15
Premium
PropertyScout Great deals
Contact
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For sale and for rent 2 bedrooms condo in Watthana, Bangkok
USD198,473 USD3,253/m²
2
2
61 m²
10
Premium
108Siam Sales and Rentals
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For sale 1 bed condo in Watthana, Bangkok
USD116,031 USD2,900/m²
1
1
40 m²
Premium
PropertyScout Great deals
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For sale 1 bed condo in Watthana, Bangkok
USD143,511 USD3,261/m²
1
1
44 m²
23
Premium
FazWaz Bangkok Sales and Rentals
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For sale and for rent studio condo in Watthana, Bangkok
USD125,191 USD3,129/m²
1
40 m²
23
Premium
108Siam Sales and Rentals
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For sale 1 bed condo in Watthana, Bangkok
USD120,611 USD3,092/m²
1
1
39 m²
18
Premium
108Siam Sales and Rentals
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For sale 1 bed condo in Watthana, Bangkok
USD120,611 USD3,015/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
USD120,611 USD3,015/m²
1
1
40 m²
9
Premium
FazWaz Bangkok Sales and Rentals
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For sale 1 bed condo in Watthana, Bangkok
USD140,153 USD3,503/m²
1
1
40 m²
27
Premium
PropertyScout Great deals
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For sale 2 bedrooms condo in Watthana, Bangkok
USD187,786 USD3,129/m²
2
2
60 m²
15
Premium
Connex Property
Contact
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For sale and for rent 1 bed condo in Watthana, Bangkok
USD167,634 USD4,088/m²
1
1
41 m²
5
Premium
FazWaz Bangkok Sales and Rentals
Contact
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For sale 1 bed condo in Watthana, Bangkok
USD128,244 USD3,206/m²
1
1
40 m²
5
Premium
PropertyScout Great deals
Contact
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For sale and for rent 1 bed condo in Watthana, Bangkok
USD128,244 USD3,206/m²
1
1
40 m²
27
Premium
FazWaz Bangkok Sales and Rentals
Contact
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For sale 1 bed condo in Watthana, Bangkok
USD131,298 USD3,282/m²
1
1
40 m²
25
Premium
PropertyScout Great deals
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For sale 2 bedrooms condo in Watthana, Bangkok
USD198,473 USD3,101/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
USD96,183 USD3,102/m²
1
1
31 m²
5
Premium
FazWaz Bangkok Sales and Rentals
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  • 1
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1 - 20 of 31 results

Price Bedrooms Bathrooms Size Floor Publisher
For rent 2 bedrooms condo in Watthana, Bangkok
USD1,069 USD16/m²
2
2
65 m²
11
Premium
FazWaz Bangkok Sales and Rentals
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For rent 2 bedrooms condo in Watthana, Bangkok
USD1,008 USD16/m²
2
2
60 m²
16
Premium
FazWaz Bangkok Sales and Rentals
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For rent 1 bed condo in Watthana, Bangkok
USD519 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
USD611 USD15/m²
1
1
40 m²
27
Premium
FazWaz Bangkok Sales and Rentals
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For rent 1 bed condo in Watthana, Bangkok
USD519 USD12/m²
1
1
40 m²
12
Premium
FazWaz Bangkok Sales and Rentals
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For rent 2 bedrooms condo in Watthana, Bangkok
USD1,221 USD20/m²
2
2
61 m²
13
Premium
Hero Realtor Co., Ltd.
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For rent 1 bed condo in Watthana, Bangkok
USD702 USD15/m²
1
1
45 m²
15
Premium
FazWaz Bangkok Sales and Rentals
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For rent 1 bed condo in Watthana, Bangkok
USD473 USD11/m²
1
1
41 m²
20
Premium
FazWaz Bangkok Sales and Rentals
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For rent 2 bedrooms condo in Watthana, Bangkok
USD1,008 USD12/m²
2
81 m²
Premium
Beyond Horizon
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For rent 1 bed condo in Watthana, Bangkok
USD489 USD12/m²
1
40 m²
9
Premium
Home Property Consulting Co., Ltd.
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For rent 2 bedrooms condo in Watthana, Bangkok
USD855 USD14/m²
2
2
60 m²
25
Premium
FreshProperty - a brand of PropertyScout
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For rent 1 bed condo in Watthana, Bangkok
USD550 USD13/m²
1
1
40 m²
14
Premium
FazWaz Bangkok Sales and Rentals
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For rent 1 bed condo in Watthana, Bangkok
USD550 USD17/m²
1
1
31 m²
16
Premium
108Siam Sales and Rentals
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For rent 2 bedrooms condo in Watthana, Bangkok
USD1,221 USD20/m²
2
2
60 m²
12
Premium
Bangkok Residence
Contact
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For rent 1 bed condo in Watthana, Bangkok
USD519 USD12/m²
1
1
40 m²
26
Premium
108Siam Sales and Rentals
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For rent 2 bedrooms condo in Watthana, Bangkok
USD916 USD13/m²
2
2
70 m²
23
Premium
FazWaz Bangkok Sales and Rentals
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For rent 2 bedrooms condo in Watthana, Bangkok
USD1,008 USD15/m²
2
2
65 m²
Premium
Beyond Horizon
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For rent 1 bed condo in Watthana, Bangkok
USD611 USD14/m²
1
1
41 m²
15
Premium
FreshProperty - a brand of PropertyScout
Contact
Show more
For rent 1 bed condo in Watthana, Bangkok
USD534 USD13/m²
1
1
40 m²
14
Premium
FazWaz Bangkok Sales and Rentals
Contact
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For rent 1 bed condo in Watthana, Bangkok
USD519 USD12/m²
1
1
40 m²
7
Premium
108Siam Sales and Rentals
Contact
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  • 1
  • 2
  • 3
  • 4
  • 5
  • >

1 - 20 of 91 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 USD301,476 USD4,676/sqm -0.8 % Evolution compared to July 2025 12,428 Condos for sale in Watthana, Bangkok
The average price for sale of condos in Watthana is USD301,475. Compare to a year ago (July 2025) this represents a fall of -0.8 % and a fall of -6.6 % since the beginning of the year (January 2026). The average price per square meter for sale in Watthana is USD4,675/sqm, 10.9 % higher than the Bangkok median of USD4,214/sqm. The average price in Watthana for condos for sale for studio is USD135,664, USD190,417 for 1 bedroom, USD391,814 for 2 bedrooms, USD775,053 for 3 bedrooms and USD1,336,910 for 4 or more bedrooms.
For rent USD1,331 USD20/sqm -0.6 % Evolution compared to July 2025 31,243 Condos for rent in Watthana, Bangkok
The average price for rent of condos in Watthana is USD1,330. Compare to a year ago (July 2025) this represents a fall of -0.6 % and a fall of -8.4 % since the beginning of the year (January 2026). The average price per square meter for rent in Watthana is USD19/sqm, 3.4 % higher than the Bangkok median of USD18/sqm. The average price in Watthana for condos for rent for studio is USD537, USD836 for 1 bedroom, USD1,634 for 2 bedrooms, USD2,630 for 3 bedrooms and USD4,456 for 4 or more bedrooms.
Frequently Asked Questions
Frequently Asked Questions
  • BTS On Nut, BTS Bang Chak and BTS Phra Khanong are close to Blocs 77.
  • Blocs 77 has 31 units for sale starting from USD96,183 up to USD259,541.
  • Blocs 77 has 91 units for rent starting from USD366 / month up to USD1,221 / month.
Location
Projects Nearby Blocs 77
Project Name
Location
Number of units
Sales Prices
Monthly Rentals
Year Built
Completion Status
United Tower
Watthana, Bangkok
43
USD671,755 - USD671,755
USD1,221 - USD4,580
Dec 2003
Completed
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Phatana Court
Watthana, Bangkok
11
N/A
USD1,068 - USD1,832
Aug 2026
Completed
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GM Heritage Sukhumvit 43
Watthana, Bangkok
3
USD39,755,725 - USD39,755,725
USD2,900 - USD3,053
Oct 2024
Completed
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L3 Avenue
Watthana, Bangkok
4
N/A
USD1,068 - USD3,053
Dec 2008
Completed
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Silver Hill Residence Sukhumvit 65
Watthana, Bangkok
4
N/A
USD2,595 - USD2,900
Dec 2016
Completed
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Paragon 31
Watthana, Bangkok
7
N/A
USD1,832 - USD2,290
May 2017
Completed
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City Plus Ekkamai 10
Watthana, Bangkok
3
USD916,030 - USD916,030
USD4,732 - USD5,801
Jan 2004
Completed
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Baan Promsri 2
Watthana, Bangkok
4
N/A
USD4,274 - USD4,274
Aug 2026
Completed
More Details
Destiny@55
Watthana, Bangkok
20
N/A
USD2,595 - USD3,816
Jan 2008
Completed
More Details
Noble Form Thonglor
Watthana, Bangkok
119
USD169,465 - USD1,396,671
USD885 - USD2,595
Nov 2025
Completed
More Details