The Diplomat 39
7 Sukhumvit 39 Alley, Sukhumvit Road, Khlong Tan Nuea Subdistrict, Watthana District, Bangkok, 10110
Project Type
Land Size
EIA Permission
Quantity
Parking
Completed
Developed By
Floor Plan
No information
Project Location
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Nearby Locations
BTS Phromphong (E5)
82 M
MRT Sukhumvit (BL22)
720 M
BTS Thong lo (E6)
743 M
BTS Asok (E4)
783 M
MRT Queen Sirikit National Convention Centre (BL23)
878 M
BTS Nana (E3)
1.2 km.
MRT Khlong Toei (BL24)
1.3 km.
MRT Phetchaburi (BL21)
1.3 km.
BTS Ekkamai (E7)
1.3 km.
ARL Makkasan (A6)
1.5 km.
BTS Phloen Chit (E2)
1.6 km.
MRT Lumphini (BL25)
1.8 km.
BTS Phra Khanong (E8)
1.8 km.
MRT Phra Ram 9 (BL20)
1.8 km.
BTS Chitlom (E1)
2.0 km.
MRT Praditmanu Tham (OR15)
2.1 km.
BTS Ratacha Damri (S1)
2.1 km.
ARL Ramkhamhaeng (A5)
2.2 km.
MRT Si Lom (BL26)
2.2 km.
MRT Thailand Cultural Center (OR13)
2.4 km.
MRT MRTA Depot (OR14)
2.4 km.
BTS Sala Daeng (S2)
2.4 km.
MRT Thailand Cultural Centre (BL19)
2.5 km.
ARL Ratchaprarop (A7)
2.5 km.
BTS Siam (CEN)
2.6 km.
BTS Siam (CEN)
2.6 km.
MRT Sam Yan (BL27)
2.7 km.
BTS On nut (E9)
2.7 km.
BTS Chong Nonsi (S3)
2.8 km.
BTS National Stadium (W1)
2.9 km.
ARL Phaya Thai (A8)
2.9 km.
BTS Ratchathewi (N1)
3.0 km.
BTS Saint Louis (S4)
3.0 km.
BTS Phaya Thai (N2)
3.0 km.
MRT Ramkhamhaeng 12 (OR16)
3.0 km.
BTS Victory Monument (N3)
3.1 km.
MRT Huai Khwang (BL18)
3.3 km.
MRT Ramkhamhaeng (OR17)
3.3 km.
BTS Bang Chak (E10)
3.4 km.
BTS Sura Sak (S5)
3.4 km.
BTS Sanam Pao (N4)
3.4 km.
MRT Hua Lamphong (BL28)
3.6 km.
BTS Ari (N5)
3.8 km.
BTS Saphan Taksin (S6)
3.9 km.
BTS Punnawithi (E11)
3.9 km.
MRT Sutthisan (BL17)
4.0 km.
MRT Ratcha Mangkhala Stadium (OR18)
4.1 km.
MRT Wat Mangkon (BL29)
4.1 km.
BTS Charoen Nakhon (G2)
4.1 km.
BTS Sena Ruam (N6)
4.2 km.
BTS Khlong San (G3)
4.2 km.
BTS Udom Suk (E12)
4.4 km.
BTS Saphan Khwai (N7)
4.5 km.
BTS Krung Thonburi (G1)
4.5 km.
MRT Lat Phrao 71 (YL04)
4.6 km.
BTS Krung Thonburi (S7)
4.6 km.
MRT Lat Phrao 83 (YL05)
4.6 km.
MRT Ratchadaphisek (BL16)
4.6 km.
MRT Chok Chai 4 (YL03)
4.6 km.
MRT Sam Yot (BL30)
4.7 km.
MRT Hua Mak (OR19)
4.7 km.
MRT Hua Mak (YL11)
4.8 km.
MRT Mahat Thai (YL06)
4.8 km.
MRT Kalantan (YL12)
4.8 km.
MRT Kamphaeng Phet (BL12)
4.8 km.
MRT Phawana (YL02)
4.8 km.
BTS - Sukhumvit Line
4.9 km.
MRT - Blue Line
4.9 km.
ARL - Airport Link
4.9 km.
MRT - Purple
4.9 km.
BTS - Silom Line
4.9 km.
BTS - Gold
4.9 km.
SRT - Red
4.9 km.
MRT - Orange
4.9 km.
MRT - Yellow
4.9 km.
MRT - Pink
4.9 km.
BTS Bang Na (E13)
4.9 km.
MRT Lat Phrao 101 (YL07)
5.0 km.
Project Concept
The Diplomat 39 is shaped around the idea of a “quiet inner-city residence” in Sukhumvit 39. The architecture leans on clean, confident lines and balanced proportions, projecting a diplomatic, understated prestige rather than a flashy statement. The result is a high-end home that feels composed in the middle of Bangkok’s most active residential district.
The design strategy focuses on privacy, daylight, and calm. Unit planning is arranged to reduce direct exposure to street bustle while still capturing natural light and city views. The building envelope emphasizes well-positioned openings and setbacks that support ventilation and visual comfort, while façade detailing helps filter sunlight and reinforce day-to-day privacy - a key expectation for residents in the Phrom Phong area.
Common areas are interpreted through a city-hotel lens. The lobby and leisure zones are designed to feel orderly and serene, using darker tones paired with warmer textures to create a refined, welcoming atmosphere. Amenities such as relaxation spaces and the swimming pool are treated as extensions of a private retreat, aligning with the lifestyle of expatriate tenants and long-stay residents.
From an investment perspective, the project’s clear premium identity and privacy-first planning support rental competitiveness in a high-demand neighborhood. It is located about 750 meters from BTS Phrom Phong, with convenient access to major retail and lifestyle destinations that continuously drive tenant demand.
Project Highlights
The Diplomat 39 stands out for its Sukhumvit 39 address in the Phrom Phong neighborhood, balancing a quieter residential lane with the energy of Sukhumvit’s lifestyle scene. It suits urban professionals and investors targeting long-stay rental demand, especially among expatriates and families who consistently prefer this area.
- Prime Phrom Phong location near The EmQuartier, Emporium, and EmSphere, with dining, cafes, and supermarkets within easy reach for day-to-day convenience.
- Strong connectivity with BTS Phrom Phong approximately 1.2 km away, enabling quick access to Asok, Thonglor, and key business districts.
- Residential privacy positioned to deliver a more exclusive, secure living atmosphere compared with busier main-road projects.
- Well-rounded facilities designed for both relaxation and daily routines, including a swimming pool, fitness room, and shared spaces suitable for reading or working.
- Investment angle Sukhumvit 39 remains a top-tier rental corridor; the project competes with nearby options such as Ivy Thonglor and Culture Thonglor through its premium positioning and privacy-driven concept.
Description
The Diplomat 39 is located at 7 Soi Sukhumvit 39, Khlong Tan Nuea, Watthana, Bangkok 10110. This is a High Rise condominium in the Phrom Phong area, known for its prime residential setting and convenient access to the city. The project is approximately 350 meters from BTS Phrom Phong Station, making travel to Sukhumvit, Asok, and Thonglor easy and practical for both residents and investors.
Developed by KPN Land Public Company Limited, the project consists of 1 residential building with 31 floors and 156 units. Parking is provided at approximately 100 percent of total units, which is considered sufficient for an upscale condominium in this location. Unit types include 1-bedroom, 2-bedroom, 3-bedroom, and penthouse layouts, with usable area starting from around 54 square meters. The design focuses on spacious living areas, privacy, and a luxury residential atmosphere.
Facilities include a lobby, lounge area, swimming pool, fitness room, steam room, garden, and passenger lifts. The security system includes 24-hour security staff, CCTV, and controlled access. The project was completed in 2016. Building management is arranged to maintain the common areas and support long-term living quality.
A key advantage of the project is its location in Sukhumvit 39, close to EmQuartier, Emporium, Benchasiri Park, Samitivej Sukhumvit Hospital, and several international schools. This supports both owner-occupiers and expatriate rental demand. For a nearby condominium in a similar area, see Ivy Thonglor.
Price Trend
The Diplomat 39 (Sukhumvit 39, Watthana) remains a luxury resale option supported by expat and executive rental demand in the Phrom Phong-Thonglor pocket. Accessibility is a key driver: BTS Phrom Phong is about 1.1 km away, helping maintain leasing velocity even when entry prices are premium.
- 2026 resale price (typical): 1-bed 50 sq.m. around THB 13.5M, equating to roughly THB 270,000 per sq.m.
- Average rent: about THB 55,000 per month for comparable layouts and conditions.
- Rental Yield: (55,000 x 12) - 13,500,000 = ~4.9% per year (gross, before expenses).
From an investor lens, the yield is “mid-to-strong” for a prime Sukhumvit address. Nearby projects such as Ivy Thonglor and Culture Thonglor tend to compete on rent per sq.m., but The Diplomat 39’s positioning, building specification, and tenant profile can help defend pricing and reduce vacancy risk.
- Capital Gain outlook (2026-2029): assuming 3-5% annual appreciation, a THB 13.5M unit could reach ~THB 14.8-15.6M in three years, implying a price gain of ~THB 1.3-2.1M (excluding transfer fees and taxes).
Facilities
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