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Overview of Casa Grand Onnut-Wongwaen in Prawet, Bangkok

Casa Grand Onnut-Wongwaen is a house project, developed by Q Houses, located at Bueng Thong Khrua Pra Sert, Kanchanaphisek Road, Dok Mai, Prawet, Bangkok, 10250 Thailand. Construction of Casa Grand Onnut-Wongwaen was completed in Dec 2013. House comprises of 13 units.

About Casa Grand Onnut-Wongwaen
The Casa Grand Onnuch-Wongwhaen, a luxury Italian-style residence with a focus on privacy, offers superb relaxation. The project offers 5 different types to fulfill your living experience and enjoy an extensive range of facilities, including the outdoor pool, a large lush green garden with various trees, and a fully-equipped gym. It is conveniently located with easy travel on Motorway - Rama 9 and Burapha Withi Expressway. Moreover, it links to several amenities and important places, including Mega Bangna, Ramkhamhaeng University 2, Sirindhorn Hospital, etc.

Project Information
Casa Grand On Nut-Wongwan is located at Kanchanaphisek Road, Dokmai, Prawet, Bangkok. It is classified as a single-detached house consisting of 201 units in the area of approximately 63 rai, developed by Quality Houses Company. The project was completed in 2016.

House Types and Details
- URBINO: 4 bedrooms, 5 bathrooms (257 sq.m)
- VERONA: 4 bedrooms, 5 bathrooms (282 sq.m)
- AOSTA: 3 bedrooms, 4 bathrooms (221 sq.m)
- VENETO: 3 bedrooms, 4 bathrooms (254 sq.m)
- NEW EURO: 4 bedrooms, 5 bathrooms (411 sq.m)

Project Facilities
- Communal gym
- Communal pool
- Communal garden
- Clubhouse
- Kids playground
- Key card access
- 24H Security system / CCTV system

Direction to the Project
- To get to the project by private car, you can start on Sukhaphiban 2 Road by heading north along the Sukhaphiban 2 Road to go onto Sukhaphiban 2 Soi 13. Then, continue straight for about 1.4 kilometers, turn left after the Tom Yum Tamlung Nai-Ek Pork Noodle Intersection (on the left). After that, continue for 250 meters and turn left onto Route 3901. Then, continue straight for further 2.1 kilometers, and you will find the project on the left.
Available Units

Casa Grand Onnut-Wongwaen for sale: 6 available units from USD302,715 to USD519,364.
Casa Grand Onnut-Wongwaen for rent: 8 available units from USD1,335 to USD3,561 per month.

Facilities

Facilities at Casa Grand Onnut-Wongwaen include parking, gym, security and swimming pool.

Market stats

The average sale price at Casa Grand Onnut-Wongwaen is USD1,771 per sqm.
This is 4.9 % downtrend current average sale price in Prawet (USD1,862 per sqm) and 7.7 % downtrend the average price in Bangkok (USD1,918 per sqm).
sales prices at Casa Grand Onnut-Wongwaen are 2.0 % downtrend past year average price.

The average rent price at Casa Grand Onnut-Wongwaen is USD8 per sqm.
This is 30.0 % downtrend current average rent price in Prawet (USD11 per sqm) and 31.9 % downtrend the average price in Bangkok (USD12 per sqm).
rental prices at Casa Grand Onnut-Wongwaen are 1.9 % downtrend past year average price.

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Available units at Casa Grand Onnut-Wongwaen
Features
  • Parking
  • Gym
  • Security
  • Swimming pool
Parking and Lifts
  • Charging stations on site: no
Management
  • Pets: All allowed
  • Common area management fee: ฿25/sqm
Key facts about properties sold in Casa Grand Onnut-Wongwaen
  • Average price per square meter: ฿50,900
  • Average selling time: 406 days on the market before being sold.
  • Trend to take advantage of: These properties sold for 31% below their original listing price.

Don't miss this investment opportunity in Casa Grand Onnut-Wongwaen. This is the perfect time to purchase your next property in an exclusive location. Contact

Previous Sales at Casa Grand Onnut-Wongwaen
Sold Date Sold Price Price/Sqm Bedrooms Bathrooms Size Floor Furnished View Ownership
05/01/2026 ฿13,500,000 ฿60,538/m² 4 5 223 m² - Fully Furnished Pool View -
18/09/2025 ฿13,500,000 ฿52,325/m² 4 5 258 m² - Partly Furnished Garden View -
09/08/2023 ฿13,700,000 ฿48,928/m² 4 3 280 m² - Fully Furnished Garden View -
05/11/2021 ฿10,500,000 ฿41,501/m² 4 3 253 m² - Partly Furnished - -

Market insights

For sale USD510,788 USD1,863/sqm -8.5 % Evolution compared to June 2025 1,029 Houses for sale in Prawet, Bangkok
The average price for sale of houses in Prawet is USD510,787. Compare to a year ago (June 2025) this represents a fall of -8.5 % and a fall of -6.9 % since the beginning of the year (January 2026). The average price per square meter for sale in Prawet is USD1,862/sqm, 3.0 % lower than the Bangkok median of USD1,918/sqm. The average price in Prawet for houses for sale with 2 bedrooms is USD273,056, USD274,688 for 3 bedrooms and USD612,183 for 4 or more bedrooms.
For rent USD2,598 USD12/sqm -3.4 % Evolution compared to June 2025 917 Houses for rent in Prawet, Bangkok
The average price for rent of houses in Prawet is USD2,597. Compare to a year ago (June 2025) this represents a fall of -3.4 % and a fall of -7.0 % since the beginning of the year (January 2026). The average price per square meter for rent in Prawet is USD11/sqm, 2.7 % lower than the Bangkok median of USD12/sqm. The average price in Prawet for houses for rent with 2 bedrooms is USD1,675, USD1,672 for 3 bedrooms and USD3,659 for 4 or more bedrooms.
Frequently Asked Questions
Frequently Asked Questions
  • Casa Grand Onnut-Wongwaen has 6 units for sale starting from USD302,715 up to USD519,364.
  • Casa Grand Onnut-Wongwaen has 8 units for rent starting from USD1,335 / month up to USD3,561 / month.
Location
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