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Overview of Prompong Mansion in Watthana, Bangkok

Prompong Mansion is a condo project, located at Uob Sukhumvit, 23rd Floor train, 35 ถนน สุขุมวิท, Khlong Tan Nuea, Vadhana, Bangkok, 10110 Thailand. Construction of Prompong Mansion was completed in Jan 1991. Condo comprises of 10 floors and 18 units.

Details and highlights Prompong Mansion
Prompong Mansion comprises of a single building, having 10 floors and includes 24 units. The bedrooms are suited with beds of different sizes, side tables, vanity dressers, open shelves and closets while the bathrooms have fresh white tiled settings, bathtubs, en suite showers and modern toilet fixtures.Facilities of Phromphong Mansion include 24-hour security with CCTV, key card entry, parking, fitness, swimming pool, and children’s playground. Location just within 670 m or about 8 minutes walk from the Phrom Phong. If you drive, the nearest tollway entrance is located 3.4 km from the condo.
Available Units

Prompong Mansion for sale: 2 available units from S$ 4,746,505 to S$ 5,380,653.
Prompong Mansion for rent: 16 available units from S$ 2,498 to S$ 5,380 per month.

Facilities

Facilities at Prompong Mansion include parking, children area, security and swimming pool.

Market stats

The average sale price at Prompong Mansion is S$ 17,078 per sqm.
This is 211.2 % uptrend current average sale price in Watthana (S$ 5,487 per sqm) and 410.8 % uptrend the average price in Bangkok (S$ 3,343 per sqm).
sales prices at Prompong Mansion are 13.3 % uptrend past year average price.

The average rent price at Prompong Mansion is S$ 11 per sqm.
This is 34.5 % downtrend current average rent price in Watthana (S$ 17 per sqm) and 38.5 % downtrend the average price in Bangkok (S$ 19 per sqm).
rental prices at Prompong Mansion are 6.6 % uptrend past year average price.

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Available units at Prompong Mansion
Features
  • Parking
  • Children area
  • Security
  • Swimming pool
Parking and Lifts
  • Charging stations on site: no

Market insights

For sale S$ 432,353 S$ 5,488/sqm -13.8 % Evolution compared to June 2025 26 Apartments for sale in Watthana, Bangkok
The average price for sale of apartments in Watthana is S$ 432,352. Compare to a year ago (June 2025) this represents a fall of -13.8 % and a fall of -19.7 % since the beginning of the year (January 2026). The average price per square meter for sale in Watthana is S$ 5,487/sqm, 64.1 % higher than the Bangkok median of S$ 3,343/sqm.
For rent S$ 2,948 S$ 18/sqm +6.1 % Evolution compared to June 2025 1,480 Apartments for rent in Watthana, Bangkok
The average price for rent of apartments in Watthana is S$ 2,947. Compare to a year ago (June 2025) this represents a rise of +6.1 % and a fall of -3.6 % since the beginning of the year (January 2026). The average price per square meter for rent in Watthana is S$ 17/sqm, 6.2 % lower than the Bangkok median of S$ 19/sqm. The average price in Watthana for apartments for rent with 1 bedroom is S$ 1,747, S$ 2,726 for 2 bedrooms, S$ 3,489 for 3 bedrooms and S$ 5,894 for 4 or more bedrooms.
Frequently Asked Questions
Frequently Asked Questions
  • MRT Sukhumvit, MRT Phetchaburi, MRT Queen Sirikit National Convention Centre, BTS Asok, BTS Nana, BTS Phrom Phong and BTS Thong Lo are close to Prompong Mansion.
  • Prompong Mansion has 2 units for sale starting from S$ 4,746,505 up to S$ 5,380,653.
  • Prompong Mansion has 16 units for rent starting from S$ 2,498 / month up to S$ 5,380 / month.
Location
Projects Nearby Prompong Mansion
Project Name
Location
Number of units
Sales Prices
Monthly Rentals
Year Built
Completion Status
United Tower
Watthana, Bangkok
50
S$ 845,531 - S$ 845,531
S$ 1,537 - S$ 5,764
Dec 2003
Completed
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Phatana Court
Watthana, Bangkok
13
N/A
S$ 1,345 - S$ 2,305
Jul 2026
Completed
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L3 Avenue
Watthana, Bangkok
4
N/A
S$ 1,345 - S$ 3,843
Dec 2008
Completed
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GM Heritage Sukhumvit 43
Watthana, Bangkok
2
S$ 50,040,081 - S$ 50,040,081
S$ 3,651 - S$ 3,651
Oct 2024
Completed
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Silver Hill Residence Sukhumvit 65
Watthana, Bangkok
4
N/A
S$ 3,266 - S$ 3,651
Dec 2016
Completed
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Paragon 31
Watthana, Bangkok
7
N/A
S$ 2,305 - S$ 2,882
May 2017
Completed
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City Plus Ekkamai 10
Watthana, Bangkok
3
S$ 1,152,997 - S$ 1,152,997
S$ 5,957 - S$ 7,302
Jan 2004
Completed
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Baan Promsri 2
Watthana, Bangkok
4
N/A
S$ 5,380 - S$ 5,380
Jul 2026
Completed
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Destiny@55
Watthana, Bangkok
16
N/A
S$ 3,266 - S$ 4,804
Jan 2008
Completed
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Noble Form Thonglor
Watthana, Bangkok
119
S$ 209,461 - S$ 1,757,974
S$ 1,114 - S$ 3,266
Nov 2025
Completed
More Details