BangkokTHE BASE Urban Rama 9
Sansiri · Verified partner
- From
- THB 3,590,000
- Handover
- Ready
- Property type
- Apartment
Thailand · Bangkok
XELF by Sansiri
Sansiri · Apartment
Price fromTHB 3,395,000
Handover2027
- Price from
- THB 3,395,000
- Unit types
- Apartment
- Handover
- 2027
- Bedrooms
- 1-3
- Market
- Thailand · Bangkok
- Completion status
- Under Construction (Est. 2027)
Khlong Tan, Khlong Toei, Bangkok, Thailand
The project
XELF by Sansiri is a 37-storey pre-completion condominium on Rama IV Road in Khlong Tan, positioned within walking distance of BTS Thonglor and the wider Sukhumvit corridor.
Amenities
- Swimming Pool
- Fitness Centre
- Parking
- Co-working lounge
- 24/7 security
- Lobby
- Rooftop terrace
- Concierge
- Mailroom
- Lounge
- Meeting Room
- Entertainment Room
- Laundry Room
- EV Charging
Fully furnished
The project sits in one of Bangkok’s most established international lifestyle districts, where European expat density, Japanese dining culture and international school access converge in a way that few other Bangkok neighbourhoods can match. The building comprises 946 units across four configurations: 1-bedroom simplex units from 23.75 to 38.75 square metres, a limited run of 2-bedroom 1-bathroom units at 48.25 square metres, 2-bedroom 2-bathroom units from 55.50 to 56.25 square metres, and just two 3-bedroom units at 85.50 square metres.
The unit mix is weighted heavily toward compact formats, reflecting the project’s positioning for younger professionals and investors rather than large families. Simplex and loft layouts provide flexible living configurations within the smaller footprints. The location is materially stronger than many Bangkok condo projects marketed to international buyers. BTS Thonglor is approximately three minutes away. MRT Queen Sirikit and EmQuartier are within five minutes. One Bangkok, the city’s largest mixed-use development, sits roughly ten minutes from the project.
For daily life, Vimut-Theptarin Hospital is 400 metres away, and multiple international schools including Kobuto International Kindergarten, St. Andrew’s and the American School of Bangkok are within practical reach. Sansiri’s design concept centres on modern luxury with an organic material palette. Common facilities include a 30-metre signature pool with views toward Bang Krachao, a fitness centre, co-working spaces, landscaped gardens at ground level, a sky retreat on upper floors, entertainment rooms and 24-hour security.
The project also includes EV charging stations, which signals alignment with evolving urban infrastructure expectations. For international buyers evaluating Bangkok, XELF represents a pre-completion entry point into the Thonglor-Rama IV corridor at pricing that sits below what completed stock in this area typically commands. The trade-off is construction timeline risk and the need to commit capital before delivery. The project is expected to complete in 2027.
Gallery
Residency relevance
Purchasing a condominium at XELF does not confer any visa or residency rights on its own. However, Thailand offers several long-stay visa categories that may be relevant to property buyers considering Bangkok as a base. The Thailand Elite Visa provides long-stay privileges for 5 to 20 years depending on the selected membership tier, with costs starting from THB 650,000 for the Bronze entry tier (available until 30 September 2026). The Long-Term Resident (LTR) visa targets wealthy global citizens, retirees, remote workers and high-skill professionals, offering a 10-year renewable visa with certain tax advantages. Retirement visas are available for those aged 50 and above who meet specified financial thresholds. Specialist immigration advice should be obtained for any specific visa application, and all visa requirements are subject to change by Thai authorities.
A licensed legal partner must confirm eligibility for your specific profile before any reservation decision. LION & LAND can help coordinate the right specialist introductions where needed, but does not provide immigration or legal advice directly.
Units & indicative pricing
1 Bedroom Simplex
- Size (m²)
- 29 - 38.75
- Price
- THB 3,395,000 - 6,100,000
1 Bedroom Loft
- Size (m²)
- 32.75 - 40.75
- Price
- THB 3,961,000 - 7,404,000
2 Bedroom Simplex
- Size (m²)
- 48.25 - 56.25
- Price
- THB 5,881,000 - 9,775,000
2 Bedroom Loft
- Size (m²)
- 52.25 - 65.75
- Price
- THB 6,934,000 - 11,303,000
3 Bedroom
- Size (m²)
- 85.50
- Price
- THB 16,974,000
Indicative only. Prices and availability must be confirmed.
Developer
Sansiri
Verified partner
- Delivery track record
- Documentation available on request
- Documentation readiness
- Reviewed in due diligence
Who this project fits
This project may fit…
- Buyers who want pre-completion pricing in the Thonglor and Rama IV corridor, below what completed stock in the area typically commands
- Young professionals and investors suited to compact one- and two-bedroom formats in Bangkok's most established international lifestyle district
- International buyers who value walking access to BTS Thonglor and proximity to EmQuartier, MRT Queen Sirikit and One Bangkok
- Buyers comfortable committing capital before the expected 2027 completion in exchange for the entry price
- Households that weigh healthcare and school access, with Vimut-Theptarin Hospital 400 metres away and several international schools in practical reach
- Portfolio investors adding a Sukhumvit-corridor Bangkok asset with Sansiri backing
This project may not fit…
- Buyers who need a completed, ready-to-move unit, XELF is a pre-completion project expected to finish in 2027
- Families needing larger layouts, the mix is weighted to compact formats and only two 3-bedroom units exist
- Buyers uncomfortable with construction-timeline risk or with staged payments before handover
- Those seeking resort, beachfront or low-rise neighbourhood living, this is a 37-storey urban tower
- Investors who want an established rental track record rather than a new building's first letting cycle
- Buyers whose primary objective is residency, Thailand property does not automatically confer visa rights
Location intelligence
Rama IV Road frontage in Khlong Tan, between the Thonglor cross-street and the Queen Sirikit convention area.
- BTS Thong LoTransit3 min
- MRT Queen Sirikit National Convention CentreTransit5 min
- EmQuartierRetail5 min
- One BangkokRetail10 min
- Vimut-Theptarin HospitalHealthcare400 m / 500 m
- K VillageRetail1.6 km
Distances as published by the developer, not independently measured.
Interactive map
13.7167° N · 100.5749° E
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XELF by Sansiri
Request the private dossier
Full pricing, availability, payment plan, floor plans and due diligence notes, reviewed privately with an advisor in your language.
Indicative only. Prices, availability and residency relevance must be confirmed before reservation.
We hold no brokerage licence of our own and work with licensed partner firms in each market.
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Residency relevance
What this property can qualify for
The entry price of this project meets the qualifying amount of the routes below. That is a condition the asset can satisfy, not an approval: title type, documentation, filing path and your own profile decide the outcome, and the authorities decide it.
Also relevant, assessed separately
- LTR, Wealthy Global CitizenUSD 500,000 investment, alongside USD 1,000,000 net worth
- LTR, Wealthy PensionerUSD 250,000 in qualifying Thai assets, with income conditions
Figures as published by the authority shown with each route. We coordinate the property side, including quota checks and transfer documentation, and work with licensed legal partners on eligibility. Nothing here is legal or immigration advice.
Start with a conversation, not a listing
Residency-driven real estate starts with eligibility, goals and market fit. We help you structure the first decision correctly.