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
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)
Thonglor, Watthana, 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 what the developer describes as 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
Thailand's property-linked route, from THB 3,000,000 in qualifying property, grants renewable long-stay permission rather than the residency status European programmes or the UAE confer, and the eligibility of a specific unit has to be confirmed with the programme operator. 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 approximately THB 600,000 for the entry-level package. 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. For buyers considering Thailand as part of a broader cross-border strategy, property ownership can complement a lifestyle plan but is not sufficient for residency on its own. LION & LAND can help assess how a Bangkok property purchase fits within a wider residency and investment plan across multiple jurisdictions, including markets where property does unlock residency rights. Specialist immigration advice should be obtained for any specific visa application, and all visa requirements are subject to change by Thai authorities. LION & LAND can help coordinate the right specialist introductions where needed, but does not provide immigration or legal advice directly.
A licensed legal partner must confirm eligibility for your specific profile before any reservation decision.
Units & indicative pricing
1 Bedroom Simplex
- Size (m²)
- 29 - 38.75 sqm
- Price from
- THB 3,395,000 - 6,100,000
1 Bedroom Loft
- Size (m²)
- 32.75 - 40.75 sqm
- Price from
- THB 3,961,000 - 7,404,000
2 Bedroom Simplex
- Size (m²)
- 48.25 - 56.25 sqm
- Price from
- THB 5,881,000 - 9,775,000
2 Bedroom Loft
- Size (m²)
- 52.25 - 65.75 sqm
- Price from
- THB 6,934,000 - 11,303,000
3 Bedroom
- Size (m²)
- 85.50 sqm
- Price from
- 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
Location intelligence
Thonglor, Watthana, Bangkok, Thailand
Detailed location review is part of the private dossier.
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.
Related projects
Bangkok
BangkokTHE LINE Vibe
Sansiri · Verified partner
- From
- THB 3,810,000
- Handover
- Ready
- Property type
- Apartment
Bangkokvalles HAUS
Sansiri · Verified partner
- From
- THB 5,378,000
- Handover
- 2027
- Property type
- Apartment
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 named authority. 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.
Choose the market before you choose the property.
Residency-driven real estate starts with eligibility, goals and market fit. We help you structure the first decision correctly.