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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.

Details and highlights 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 S$ 122,217 to S$ 329,794.
Blocs 77 for rent: 91 available units from S$ 465 to S$ 1,551 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 S$ 4,028 per sqm.
This is 33.3 % downtrend current average sale price in Watthana (S$ 6,038 per sqm) and 26.0 % downtrend the average price in Bangkok (S$ 5,441 per sqm).
sales prices at Blocs 77 are 3.1 % downtrend past year average price.

The average rent price at Blocs 77 is S$ 18 per sqm.
This is 26.2 % downtrend current average rent price in Watthana (S$ 24 per sqm) and 23.7 % downtrend the average price in Bangkok (S$ 23 per sqm).
rental prices at Blocs 77 are 2.5 % 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
S$ 145,497 S$ 3,637/m²
1
1
40 m²
15
Premium
108Siam Sales and Rentals
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For sale 2 bedrooms condo in Watthana, Bangkok
S$ 290,995 S$ 4,770/m²
2
2
61 m²
27
Premium
Bangkok Residence
Contact
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For sale 2 bedrooms condo in Watthana, Bangkok
S$ 256,075 S$ 4,267/m²
2
2
60 m²
23
Premium
PropertyScout Great deals
Contact
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For sale and for rent studio condo in Watthana, Bangkok
S$ 162,957 S$ 4,073/m²
1
40 m²
27
Premium
108Siam Sales and Rentals
Contact
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For sale 1 bed condo in Watthana, Bangkok
S$ 145,497 S$ 3,637/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
S$ 252,195 S$ 4,134/m²
2
2
61 m²
10
Premium
108Siam Sales and Rentals
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For sale 1 bed condo in Watthana, Bangkok
S$ 147,437 S$ 3,685/m²
1
1
40 m²
Premium
PropertyScout Great deals
Contact
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For sale 1 bed condo in Watthana, Bangkok
S$ 182,357 S$ 4,144/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
S$ 159,077 S$ 3,976/m²
1
40 m²
23
Premium
108Siam Sales and Rentals
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For sale 1 bed condo in Watthana, Bangkok
S$ 153,257 S$ 3,929/m²
1
1
39 m²
18
Premium
108Siam Sales and Rentals
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For sale 1 bed condo in Watthana, Bangkok
S$ 153,257 S$ 3,831/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
S$ 153,257 S$ 3,831/m²
1
1
40 m²
9
Premium
FazWaz Bangkok Sales and Rentals
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For sale 1 bed condo in Watthana, Bangkok
S$ 178,089 S$ 4,452/m²
1
1
40 m²
27
Premium
PropertyScout Great deals
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For sale 2 bedrooms condo in Watthana, Bangkok
S$ 238,616 S$ 3,976/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
S$ 213,008 S$ 5,195/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
S$ 162,957 S$ 4,073/m²
1
1
40 m²
5
Premium
PropertyScout Great deals
Contact
Show more
For sale and for rent 1 bed condo in Watthana, Bangkok
S$ 162,957 S$ 4,073/m²
1
1
40 m²
27
Premium
FazWaz Bangkok Sales and Rentals
Contact
Show more
For sale 1 bed condo in Watthana, Bangkok
S$ 166,837 S$ 4,170/m²
1
1
40 m²
25
Premium
PropertyScout Great deals
Contact
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For sale 2 bedrooms condo in Watthana, Bangkok
S$ 252,195 S$ 3,940/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
S$ 122,218 S$ 3,942/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
S$ 1,280 S$ 21/m²
2
2
60 m²
16
Premium
FazWaz Bangkok Sales and Rentals
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For rent 1 bed condo in Watthana, Bangkok
S$ 660 S$ 16/m²
1
1
41 m²
9
Premium
FazWaz Bangkok Sales and Rentals
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For rent 1 bed condo in Watthana, Bangkok
S$ 776 S$ 19/m²
1
1
40 m²
27
Premium
FazWaz Bangkok Sales and Rentals
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For rent 1 bed condo in Watthana, Bangkok
S$ 660 S$ 16/m²
1
1
40 m²
12
Premium
FazWaz Bangkok Sales and Rentals
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For rent 2 bedrooms condo in Watthana, Bangkok
S$ 1,552 S$ 25/m²
2
2
61 m²
13
Premium
Hero Realtor Co., Ltd.
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For rent 1 bed condo in Watthana, Bangkok
S$ 892 S$ 19/m²
1
1
45 m²
15
Premium
FazWaz Bangkok Sales and Rentals
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For rent 1 bed condo in Watthana, Bangkok
S$ 601 S$ 14/m²
1
1
41 m²
20
Premium
FazWaz Bangkok Sales and Rentals
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For rent 2 bedrooms condo in Watthana, Bangkok
S$ 1,280 S$ 15/m²
2
81 m²
Premium
Beyond Horizon
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For rent 1 bed condo in Watthana, Bangkok
S$ 621 S$ 15/m²
1
40 m²
9
Premium
Home Property Consulting Co., Ltd.
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For rent 2 bedrooms condo in Watthana, Bangkok
S$ 1,086 S$ 18/m²
2
2
60 m²
25
Premium
FreshProperty - a brand of PropertyScout
Contact
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For rent 1 bed condo in Watthana, Bangkok
S$ 698 S$ 17/m²
1
1
40 m²
14
Premium
FazWaz Bangkok Sales and Rentals
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For rent 1 bed condo in Watthana, Bangkok
S$ 698 S$ 22/m²
1
1
31 m²
16
Premium
108Siam Sales and Rentals
Contact
Show more
For rent 2 bedrooms condo in Watthana, Bangkok
S$ 1,552 S$ 25/m²
2
2
60 m²
12
Premium
Bangkok Residence
Contact
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For rent 1 bed condo in Watthana, Bangkok
S$ 660 S$ 16/m²
1
1
40 m²
26
Premium
108Siam Sales and Rentals
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For rent 2 bedrooms condo in Watthana, Bangkok
S$ 1,164 S$ 16/m²
2
2
70 m²
23
Premium
FazWaz Bangkok Sales and Rentals
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For rent 2 bedrooms condo in Watthana, Bangkok
S$ 1,280 S$ 19/m²
2
2
65 m²
Premium
Beyond Horizon
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For rent 1 bed condo in Watthana, Bangkok
S$ 776 S$ 18/m²
1
1
41 m²
15
Premium
FreshProperty - a brand of PropertyScout
Contact
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For rent 1 bed condo in Watthana, Bangkok
S$ 679 S$ 16/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
S$ 660 S$ 16/m²
1
1
40 m²
7
Premium
108Siam Sales and Rentals
Contact
Show more
For rent 1 bed condo in Watthana, Bangkok
S$ 737 S$ 18/m²
1
1
40 m²
6
Premium
FazWaz Bangkok 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 S$ 389,444 S$ 6,039/sqm 0.0 % Evolution compared to July 2025 12,428 Condos for sale in Watthana, Bangkok
The average price for sale of condos in Watthana is S$ 389,443. Compare to a year ago (July 2025) there arent any variations and a fall of -5.8 % since the beginning of the year (January 2026). The average price per square meter for sale in Watthana is S$ 6,038/sqm, 11.0 % higher than the Bangkok median of S$ 5,441/sqm. The average price in Watthana for condos for sale for studio is S$ 175,249, S$ 245,721 for 1 bedroom, S$ 506,191 for 2 bedrooms, S$ 1,000,677 for 3 bedrooms and S$ 1,726,138 for 4 or more bedrooms.
For rent S$ 1,720 S$ 25/sqm +0.1 % Evolution compared to July 2025 31,243 Condos for rent in Watthana, Bangkok
The average price for rent of condos in Watthana is S$ 1,719. Compare to a year ago (July 2025) this represents a rise of +0.1 % and a fall of -7.7 % since the beginning of the year (January 2026). The average price per square meter for rent in Watthana is S$ 24/sqm, 3.4 % higher than the Bangkok median of S$ 23/sqm. The average price in Watthana for condos for rent for studio is S$ 695, S$ 1,081 for 1 bedroom, S$ 2,109 for 2 bedrooms, S$ 3,393 for 3 bedrooms and S$ 5,753 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 S$ 122,217 up to S$ 329,794.
  • Blocs 77 has 91 units for rent starting from S$ 465 / month up to S$ 1,551 / 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
S$ 853,584 - S$ 853,584
S$ 1,551 - S$ 5,819
Dec 2003
Completed
More Details
Phatana Court
Watthana, Bangkok
11
N/A
S$ 1,357 - S$ 2,327
Aug 2026
Completed
More Details
GM Heritage Sukhumvit 43
Watthana, Bangkok
3
S$ 50,516,693 - S$ 50,516,693
S$ 3,685 - S$ 3,879
Oct 2024
Completed
More Details
L3 Avenue
Watthana, Bangkok
4
N/A
S$ 1,357 - S$ 3,879
Dec 2008
Completed
More Details
Silver Hill Residence Sukhumvit 65
Watthana, Bangkok
4
N/A
S$ 3,297 - S$ 3,685
Dec 2016
Completed
More Details
Paragon 31
Watthana, Bangkok
7
N/A
S$ 2,327 - S$ 2,909
May 2017
Completed
More Details
City Plus Ekkamai 10
Watthana, Bangkok
3
S$ 1,163,979 - S$ 1,163,979
S$ 6,013 - S$ 7,371
Jan 2004
Completed
More Details
Baan Promsri 2
Watthana, Bangkok
4
N/A
S$ 5,431 - S$ 5,431
Aug 2026
Completed
More Details
Destiny@55
Watthana, Bangkok
20
N/A
S$ 3,297 - S$ 4,849
Jan 2008
Completed
More Details
Noble Form Thonglor
Watthana, Bangkok
119
S$ 215,336 - S$ 1,774,718
S$ 1,125 - S$ 3,297
Nov 2025
Completed
More Details