COZI BTS Saphanmai
COZI BTS Saphanmai is an eight-storey, three-building condominium by SENA Development in Sai Mai, northern Bangkok.
Bangkok

From 1,370,000 THBCurrent price list, layouts and availability — discussed one-to-one with a project specialist
Quick — 10-second read
- What it is
- Condominium
- Where
- Soi Phahonyothin 50 Yaek 11, Khlong Thanon, Sai Mai, Bangkok 10220, Thailand · Bangkok
- Stage
- Under construction · 2026
- Price
- From ฿1,370,000guide price, final by unit
- Transparency
- 10 facts confirmed · 7 to verify
Gallery
Photographs from the project’s materials.
Who is behind this project
- Developer
- SENA DevelopmentPublic company · SENAOpen developer profile →
- Track record
- The company's published timeline records its establishment in 1993, the launch of its first The Niche condominium in 2007 and its move into the public market in 2009.Company data; check the specific project independently.
- Projects with us
- 39
- Transparency
- Public reporting (SENA) — independently checkable
Brand ≠ the legal entity signing your contract. This project may use a separate project company or joint venture — verify the seller and developer for the selected unit.
Why this project is worth a look
Low entry threshold
The live project page still shows a THB 1.37 million starting price as of 30 August 2026. That makes the scheme accessible to buyers working with a tight Bangkok budget, but the headline has to be handled carefully. Before paying a reservation fee, obtain the exact unit number, floor, size, orientation, furnishing scope and total purchase price rather than assuming the advertised minimum is available across the project.
Five compact layouts
The 22.5–36.5 sqm range offers several choices within the same core use case: a home for one person or a couple. A buyer can stay at the smallest end to protect the budget or move to the one-bedroom-plus format for a separate work or flex room. The limitation is equally clear—this is not a project with a broad two- and three-bedroom family lineup.
Amenities that extend the home
A pool and gym are joined by co-working, a meeting room, a live-streaming room, laundry and gardens. Those spaces matter more when the private apartments are compact because some work and leisure functions can move outside the unit. The caveat is scale: 656 homes will share the common areas, and real crowding patterns will only become clear after occupation rather than from launch materials.
Connected northern Bangkok
Saphan Mai already has supermarkets, markets, hospitals, universities, major roads and access to the Green Line. Residents do not need to travel into the central business districts for every daily errand. The site is not directly on a BTS platform, however, so the last mile remains part of the commute. The scheduled V-Move shuttle is therefore a practical feature, not just an accessory.
Trade-offs are visible
Several constraints can be checked before a buyer gets emotionally committed: parking is about 39% including tandem spaces, the official page still treats the project as under construction, unit sizes stay compact, and foreign freehold depends on quota availability for the selected unit. If those conditions fit the buyer’s real routine, the next comparison is price and building position. If they do not, the project can be ruled out early.
About the project
COZI BTS Saphanmai is an eight-storey, three-building condominium by SENA Development in Sai Mai, northern Bangkok. The developer’s legal disclosure gives a more precise location than the headline marketing copy: Soi Phahonyothin 50 Yaek 11, Khlong Thanon, Sai Mai, Bangkok 10220. The site covers 6 rai, 1 ngan and 21.8 square wah and contains 656 residential units. That is a meaningful number of homes for a low-rise scheme. When comparing units, building position and circulation matter alongside the floor plan: the walk to the lobby, lifts, parking and shared facilities can feel quite different between the front and rear parts of a three-building compound.
The commercial proposition is straightforward: a low entry price in a non-central but established Bangkok neighbourhood. As of 30 August 2026, SENA’s live project page still advertises a starting price of THB 1.37 million. That should be treated as a developer headline rather than an assurance that a buyer can select any suitable unit at that level. Floor, orientation, furnishing package, remaining stock and transaction terms can move the actual number. A live late-August market listing showed a 24 sqm unit at THB 1.48 million, close enough to the headline to be relevant but still a reminder that the advertised “from” price needs a stock check.
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Construction status requires particular care. The June 2026 project update reports overall progress of 31%, with structure at 69%, architectural work at 1% and building systems at 16%. The stated programme says completion and the start of ownership transfers are expected from Q4 2026. Several property portals, by contrast, label the project as completed in June 2026. For this dossier the developer’s current disclosure takes precedence: the project is treated as under construction. Buyers who need an immediately habitable home should therefore verify the handover date written into the specific reservation and sale documents rather than rely on portal status labels.
The unit mix is narrow in bedroom count but offers several steps in size. Most homes are one-bedroom layouts between 22.5 and roughly 27 sqm. The largest option is a 33.5–36.5 sqm one-bedroom-plus format with an extra room that can serve as a study, flexible room or occasional second sleeping space depending on the exact plan. This tells you who the project is built for. It suits one person, a couple, a young professional, a student or someone seeking a compact Bangkok base. It is much less convincing for a household that genuinely needs two full bedrooms, generous storage or a large kitchen and dining area.
The amenity package is practical rather than resort-like. SENA lists a swimming pool, fitness room, co-working space, meeting room, live-streaming room, garden, lobby, mailboxes, laundry, vending machine, juristic office and 24-hour security. Two passenger lifts per building and EV charging are also listed for the scheme. Parking is around 39% of total units including tandem spaces. That ratio matters in daily use: the project is not designed around one guaranteed parking bay for every apartment, so a car-dependent buyer should ask how spaces are allocated, whether access is first-come-first-served and what rules apply to tandem parking.
The project’s low-carbon concept includes rooftop solar and landscaping designed with carbon absorption in mind. Those elements are useful to separate from the marketing language. Solar generation, planted communal areas and EV charging are tangible project features; future utility savings, resale premiums or investment returns are not. A buyer should value the concept for the physical features it adds to the scheme rather than assume it creates a measurable financial advantage. The project’s shared workspaces and landscaped areas are likely to matter more in day-to-day life than any unverified claim about long-term value.
Transport is a last-mile story rather than a station-front one. The project sits inside Soi Phahonyothin 50, with independent location reviews also noting connections toward Thep Rak. Saphan Mai and Sai Yud stations on the Green Line serve the wider area, and the project advertises a V-Move electric shuttle to the rail station on a timetable. That can make the location workable without driving every trip, but it does not turn the site into a true doorstep-BTS condominium. Buyers who depend on rail every morning should test the full door-to-platform routine and consider shuttle frequency, motorbike-taxi availability and the walk at different times of day.
Everyday infrastructure is already present around the neighbourhood. The project’s location materials repeatedly identify Big C Saphan Mai, Lotus’s Laksi, Central Ram Intra and Ying Charoen Market, together with CGH Phahonyothin and Bhumibol Adulyadej hospitals and several universities in northern Bangkok. Don Mueang is another logical anchor for people whose work or travel patterns are concentrated in the north of the city. The trade-off is that this is not Bangkok’s core business district. Someone commuting daily to Asok, Silom or Sathorn should assess the actual journey rather than assume that having a Green Line station in the area makes the commute short.
The legal disclosure is unusually useful at the preliminary research stage. The legal terms identify SENA HHP 37 Co., Ltd. as the land owner, list five Chanote title-deed numbers, states that the land is unencumbered and says the project has passed EIA. The development is intended to be registered as a condominium after construction. For a foreign purchaser, that means standard Thai condominium rules apply: freehold ownership is available only while the foreign-ownership quota remains within the legal ceiling of 49% of the aggregate condominium unit area. A portal saying “freehold” is not enough to confirm quota availability for a particular unit; that must be checked during the transaction.
Taken as a whole, COZI BTS Saphanmai is a budget-oriented urban project with clear strengths and equally clear compromises. The positives are the low headline entry point, five compact layouts, useful shared facilities, an established northern Bangkok neighbourhood and access to the Green Line network. The limitations are 656 units, parking well below one space per home, no genuinely large family layouts, a last-mile connection to rail and an official construction schedule that still points to Q4 2026 for completion and transfers. It is best judged against a real use case—who will live there, how they will travel, how much space they need and the final unit price—rather than a generic investment-return story.
Ownership format
For a foreign buyer, freehold is available only while the foreign-ownership quota remains within the legal 49% ceiling of aggregate condominium unit area; if quota is unavailable, a leasehold structure may be offered subject to the specific contract. Quota status for the selected unit must be checked before booking.
Unit types & sizes
The smallest format. Best suited to one resident or a couple prioritising entry price over spare space; storage and a proper work setup should be checked against the exact furniture plan.
A modest step up without moving into the largest format. In a compact home, the extra area can materially improve the living zone, storage options and the ability to fit a proper desk.
The current developer page states 27 sqm. It is a straightforward one-bedroom choice for a buyer who wants a little more breathing room without paying for a separate flex room.
Another mid-size one-bedroom variant. The plan shape, kitchen position, wardrobe space and window layout matter as much as the headline area, because similar square metres can function quite differently.
The project’s largest format adds a flex room. It is the logical choice for a home office, occasional child’s room or more separation between activities, while remaining a compact unit rather than a true two-bedroom home.
The five published layouts reduce to two main living scenarios: compact one-bedroom homes around 22.5–27 sqm and a larger 33.5–36.5 sqm one-bedroom-plus with a flex room. Furniture package, orientation, floor and live availability should be checked unit by unit.
Comparable projects in the same city
Each option includes a factual reason for the comparison. Price and availability are confirmed for the selected unit.

SENA Kith BTS Saphanmai
Same district; a different housing format

Plum Condo Saphanmai Station
Same district; a different housing format

Wynn Condo Phaholyothin 52
Same district; a different housing format

REACH Phahon Yothin 52
Same district; a different housing format
Facilities
15 amenities
Fitness & leisure
- swimming pool
- fitness room
- seasonal garden
Work & social
- co-working space
- meeting room
- live-streaming room
Daily services
- lobby and mailboxes
- laundry room
- vending machine
- juristic office
- 24-hour security and CCTV
Mobility & energy
- parking
- EV charging
- station shuttle
- rooftop solar
Location
- Project address: Soi Phahonyothin 50 Yaek 11, Khlong Thanon, Sai Mai, Bangkok 10220, Thailand; the coordinates published by an independent project review point to the same location.
- The wider area is served by Saphan Mai and Sai Yud stations on the Green Line; the project advertises its scheduled V-Move shuttle to the station.
- This is not a doorstep-BTS development, so rail commuters should plan for the last mile by shuttle, motorbike taxi, taxi or private vehicle.
- Local roads provide more than one access route through Phahonyothin 50 and connections toward Thep Rak, useful for travel across northern Bangkok.
- Big C Saphan Mai, Lotus’s Laksi, Central Ram Intra and Ying Charoen Market repeatedly appear in project-location sources, giving the area a strong everyday retail base.
- Major healthcare anchors in the broader area include CGH Phahonyothin and Bhumibol Adulyadej Hospital, with several northern Bangkok universities also nearby.
- Don Mueang is one of the district’s key anchors, making the project particularly relevant to people whose work and travel patterns are concentrated in the north of the city.
Address / landmarkSoi Phahonyothin 50 Yaek 11, Khlong Thanon, Sai Mai, Bangkok 10220, Thailand
The map loads from OpenStreetMap on request.
The circle shows the project’s approximate location; we confirm the exact address and the plot boundaries when you get in touch. © OpenStreetMap contributors.
About this district
- District guide
- Sai Mai Homes: Townhouses, Watcharapol and BTS Access →
The district guide explains everyday context. Check the specific unit, price and documents separately.
Near the project
Landmarks around the project, from open maps (OpenStreetMap):
Distances are straight-line from the project, not walking routes — the real route is longer. © OpenStreetMap contributors.
What this project means for me
Build your scenario from the published facts and your choices on this page. Not a rating or a return promise.
Choose a goal; your selections in the widgets below will appear in the summary.
No conditions selected yet. Start with your goal, fit criteria or calculator inputs.
Resolve questions before booking
Prepare a request around published unknowns and your conditions. Nothing is sent automatically.
Data freshness and provenance
- Latest recorded source / material check
- Price
- Published reference from project materials
- Open items in the discrepancies section
- 3
The date belongs to an editorial record, not every individual fact. It does not verify a reviewed contract, legal clearance, current price or unit availability.
Price basis · Discrepancies · Dossier sourcesDaily essentials at a glance
The closest mapped place in each available category.
Big C
Central General Hospital
North Bangkok University Saphan Mai Campus
Thung Song Hong Community Housing Park
OpenStreetMap · straight-line distances from the mapped project area, not walking routes.
When is it more comfortable to visit?
Temperature, rain, sun and wind month by month for the surrounding area.
NASA POWER · 2001–2025 · area-wide climate averages, not a daily forecast. Rain bars show mm/day. Sun line is solar energy, not a count of sunny days.
Airports and local transport
Compare nearby arrival points before choosing a route.
Distances are straight-line from the mapped project area, not driving distances or travel times. Airport positions are reference points; the transport stop is from OpenStreetMap.
Tourism in the wider destination
Bangkok · September 2026
Visitor flow month by month
Foreign visitors and hotel room occupancy in the province
What is actually nearby
Selected visitor-friendly places within 5 km
Thailand Ministry of Tourism and Sports · Ministry of Tourism and Sports · preliminary monthly province figures, not this property’s rental occupancy. Nearby counts are selected OpenStreetMap places, not measured foot traffic.
How housing prices have changed
Bangkok and vicinity · published price index, historical data
2015-01 — 2026-08 · Bank of Thailand · 2011=100. Regional housing index, not villa transaction prices or this project’s return.
Nearby projects on the map
Published sale-price references within 5 km, not rental listings or confirmed availability.
Compare the project with nearby alternatives
Approximate project locations and straight-line distances. Sale prices cannot be treated as comparable rent.
Price & purchase terms
- Current price: From THB 1.37M on SENA’s official project page as of 30 Aug 2026. This is a developer starting-price anchor; the selected unit, live stock, furnishing scope and final terms need separate confirmation with a specialist.
- Expected completion: Q4 2026
Investment return calculator
The starting amount is the published project price. Adjust the sliders to compare scenarios.
Show the calculation by year
| Year | Gross rent | Running costs | Cumulative net rent | Property value | Total |
|---|
8% potential gross rent, 65% occupancy, 20% running costs and 3% price change are editable examples, not a forecast. Taxes, financing, transaction fees and resale terms are excluded. Occupancy and costs apply to rent, not to the property value.
What else can you compare it with?
Change rent, occupancy and costs above; public benchmarks are reference points.
The property bar is net rental cash flow divided by purchase price, before tax; it excludes price growth. US Treasury yield is in USD. Inflation shows purchasing-power erosion, not a separate investable return. Risk, taxes, liquidity and currency differ. US CPI source
Project stage — what we know
Under construction. Handover declared for 2026.
Before reserving, check the timeline, payment schedule and buyer protections in the contract.
- Planned
- Building
- Done
What we know
Verified details and questions to settle before reserving.
10 key facts confirmed; 7 more to verify before reserving.
This is not a project rating.
At a glance
Is this project right for you?
Tick what describes you — we will show whether this may be a fit. Honest, without gloss.
Your selections are not saved anywhere. This is a decision aid, not an assessment.
Best for: A single resident or couple who wants an owned Bangkok base without stepping into a more expensive central-city segment. Compact private space works better here because the project adds co-working, gardens, a pool and a gym that can absorb some work and leisure functions.; A buyer whose daily life is concentrated in northern Bangkok—Saphan Mai, Sai Mai, Laksi, Don Mueang, Ram Intra or nearby education and employment nodes. For that person, local infrastructure and Green Line access may matter more than a central business district postcode.; A budget-conscious purchaser willing to compare live stock rather than anchor on the THB 1.37 million headline alone. The project can make sense when the buyer keeps the selection process unit-specific and asks for the full price and included package before committing.; A foreign buyer looking for a small condominium and prepared to verify foreign-quota availability for the exact unit. The condominium format can support foreign freehold under Thai law, but quota availability is a transaction fact, not a marketing assumption.; A remote or hybrid worker. Co-working, a meeting room and a live-streaming room are more useful in a project with compact apartments because they provide alternatives to working from the bedroom or dining table.; A resident who is not dependent on a guaranteed private parking bay every day, or who is comfortable combining rail, shuttle and on-demand transport. Parking at roughly 39% of units makes mobility habits an important fit question.; may not suit: A household that genuinely needs two full bedrooms, a large kitchen, substantial storage or generous floor area. The largest published format is 33.5–36.5 sqm with a flex room, not a conventional two-bedroom apartment.; A buyer who needs to move in immediately. SENA’s current information still treats the development as under construction and expects transfers to begin from Q4 2026.; Someone who insists on a direct, walk-out-the-door rail connection with no shuttle or other last-mile step. The site sits inside the neighbourhood street network rather than directly on a BTS platform.; A car owner who treats a dedicated parking bay as non-negotiable. With parking at about 39% of unit count, the operating rules need to be checked rather than assumed.; A pet owner until the rules are confirmed in writing. Public information conflicts, so the project should not yet be treated as clearly pet-permitted..
What we confirm before booking
A short, project-specific list. We request these from the developer and go through them with you before any payment.
- which units are free, and on which floors
- the legal entity in the SPA and the payee’s bank details
- the title format and what is registered against the unit
- the selected unit’s contractual handover date in the SPA — the published date is only a reference
Disputed and unknown information
This keeps the open points in one place. A missing or disputed fact is not treated as a conclusion.
- Completion status conflicts across sources: SENA reports 31% overall progress in June 2026 and expects completion with transfers from Q4 2026, while FazWaz and DDproperty already label the project completed in June 2026. Until SENA updates its disclosure, this dossier treats the project as under construction.
- SENA’s live page shows a THB 1.37 million starting price, while a THB 1.36 million promotion explicitly expired on 31 July 2026; a late-August DDproperty listing showed 24 sqm at THB 1.48 million. Actual stock at the THB 1.37 million headline needs direct confirmation.
- SENA’s current FAQ labels the 33.5–36.5 sqm one-bedroom-plus range as Type D a second time, while PropertyHub and Think of Living identify it as Type E. The area range agrees; this dossier uses the Type E label.
FAQ
What does a unit cost in COZI BTS Saphanmai?
From 1,370,000 THB. The price and availability of a specific unit are confirmed with the developer before reservation.
When is COZI BTS Saphanmai due for completion?
Q4 2026. The contractual handover date is fixed in the SPA.
Sources and documents
Reviewed: developer materials and public records. We publish no outbound links.
- Government / official registry — Document: issue-focus-detail/010_014 checked 30.08.2026
Mark Erometskiy checked the current project record — 13 September 2026
Available materials and current offers were reviewed. The decision should rely on the selected property's documents, condition and deal terms.
- ✓ Construction progress
- ✓ Current stage
- ✓ Availability
- ✓ Purchase terms
The headline progress percentage hides uneven workstreams, with structure ahead of architectural finishing.
Current construction status, handover timing and contractual obligations should be confirmed for the selected property.
Read next
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Mark Erometskiy
Thailand property expert (Pattaya, Phuket and Bangkok), co-founder of Bomi Home. Will help with the unit, ownership, stage and terms before you decide.
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