NovSiamese Surawong
Siamese Surawong is an established high-rise condominium on Sap Road in Si Phraya, Bang Rak, positioned between Surawong Road and Si Phraya Road in Bangkok's inner business district.
BangkokBased on developer material
From 4,500,000 THBPer broker listings. Current price list, layouts and availability — discussed one-to-one with a project specialist
Quick — 10-second read
- What it is
- Condominium
- Where
- 75 Sap Road, Si Phraya, Bang Rak, Bangkok 10500, Thailand · Bangkok
- Stage
- Completed · 2015
- Price
- From ฿4,500,000guide price, final by unit
- Transparency
- 10 facts confirmed · 7 to verify
Gallery
Photographs from the project’s materials.
Similar options in this city and budget
Compare before you decide — the same city and price level.
Why this project is worth a look
Inner-city, not station-front
The building sits on Sap Road between Surawong and Si Phraya, with Sam Yan MRT roughly half a kilometre away and Chong Nonsi BTS around the 0.8–0.9 km mark depending on the source. It is not a station-integrated tower, but it is already inside the Silom–Surawong business area rather than relying on a long commute into it.
Resale evidence is visible
Because the condominium is completed, buyers can compare live units, actual asking prices and different ownership quotas instead of relying on one developer price list. The THB 4.5M entry point found in September 2026 is useful as a market anchor, but it belongs to one 42 sqm listing and should not be generalised across the building.
Layouts go beyond standard stacks
Historic catalogues document duplexes, triplexes, penthouses and townhouse-style residences in addition to normal one-, two- and three-bedroom apartments. That variety can suit buyers who want larger central-city homes, although it also means the registered floor plan deserves more attention than a generic bedroom count.
Foreign freehold is unit-specific
Freehold exists in the project, but foreign registration depends on the building's statutory 49% foreign ownership quota at the time of transfer. Current listings include both Thai-quota and foreign-quota units, which is a practical reminder that the legal route cannot be assumed from the project name alone.
A mature-building check matters
With construction long finished, the main diligence questions are different from those of a launch-stage project. Buyers should judge the actual apartment, common areas and management records they are acquiring today rather than relying on launch-era promises or photographs.
Running costs need a fresh check
Project directories repeatedly quote a historical common fee of THB 50 per sqm per month, and an older review records a THB 600 per sqm sinking-fund contribution. For a mature resale building, the useful document is the juristic person's current statement: present charges, seller arrears, major planned works and parking rules can matter more to ownership cost than a small difference between two asking prices.
Transfer needs building certificates
Thai registration guidance calls for a debt-free certificate from the condominium juristic person, and a foreign buyer also needs confirmation that the building remains within the foreign ownership limit. That makes quota verification an early diligence item rather than a box to tick only on transfer day.
About the project
Siamese Surawong is an established high-rise condominium on Sap Road in Si Phraya, Bang Rak, positioned between Surawong Road and Si Phraya Road in Bangkok's inner business district. The core building facts are unusually consistent across the major current portals: one tower, 20 floors and 206 units. Most active databases record completion in 2015, while several older project reviews use 2016. That appears to be a timing discrepancy around completion and handover rather than evidence of a second project, but a buyer who needs a precise legal date should rely on the condominium records rather than portal labels.
This is now a resale decision, not an off-plan purchase. Current September 2026 inventory spans compact one-bedroom units through large multi-level homes, and the lowest live asking-price anchor found during this review was THB 4.5 million for a 42 sqm unit. That number should not be treated as a project-wide valuation. Floor, outlook, condition, furniture, title status and foreign-quota availability can make two similarly sized apartments very different purchases. The advantage of a mature building is that construction uncertainty is gone; the trade-off is that due diligence shifts toward the actual unit, juristic-person records and building upkeep.
Read moreShow less
The layout mix is one of the more distinctive parts of Siamese Surawong. Surviving project catalogues show conventional one-, two- and three-bedroom apartments alongside duplex and triplex formats, penthouses and townhouse-style units within the condominium. For a buyer, this makes a simple price-per-square-metre comparison less informative than it would be in a highly standardised tower. A multi-level plan can provide separation between living and sleeping areas, but it also introduces stairs and more complex usable space. The exact registered plan therefore matters more than the marketing label attached to a resale listing.
The amenity package is straightforward for a central completed building: a swimming pool and fitness room on the fourth floor, sauna, garden or outdoor relaxation areas, parking, lobby facilities, controlled access, CCTV and 24-hour security are repeatedly documented. Older launch-era reviews list a few extra services that are not consistently shown by today's portals, so they are not treated here as guaranteed current amenities. A viewing should focus on the condition and operating hours of the facilities that still matter to the buyer rather than on the original launch checklist.
Siamese Asset is the developer brand attached to the project, while Siamese Asset's formal group disclosures identify Siamese Surawong Co., Ltd. as the project company associated with the development. That corporate history helps establish identity, but a resale purchase is still a unit-level transaction. DDproperty describes the condominium tenure as freehold, and current FazWaz listings show both Thai-quota and foreign-quota units. Foreign freehold is therefore possible in the building, but it is not automatically available for every listing; the juristic person needs to confirm the building's foreign ownership ratio for the selected unit before transfer.
Historic and current project directories repeatedly quote a common-area charge of THB 50 per sqm per month, while Homenayoo also records an original sinking-fund contribution of THB 600 per sqm. Those figures are useful background rather than a substitute for the condominium's current statement: fees can be revised, and a sinking-fund payment may already have been settled for an older unit. Before paying a reservation on a resale, a buyer should obtain the current common-fee rate, any outstanding balance attached to the seller, and the actual parking rules from the condominium juristic person. Older project material records roughly 140 parking spaces for 206 units, making parking entitlement worth checking for households that expect regular car use.
A foreign resale transfer also depends on building-level paperwork, not just the sale contract. Thai government guidance lists a debt-free certificate from the condominium juristic person and a separate certificate confirming that foreign ownership remains within the statutory limit. That is directly relevant here because the current resale inventory contains units labelled both Thai quota and Foreign Quota. A listing described simply as freehold therefore does not, by itself, prove that the particular apartment can be registered in a foreign buyer's name.
Ownership format
The project is a freehold condominium. A foreign buyer can register a unit in their own name only while the building remains within Thailand's foreign ownership quota, capped at 49% of the total condominium unit area. Quota availability must be confirmed for the specific unit before transfer.
Unit types & sizes
The historical project schedule shows a broad one-bedroom range. Current resale portals also carry smaller units around 34–35 sqm, so the original registered plan of a specific apartment should be checked rather than inferred from the listing label.
This is the conventional two-bedroom band shown in the detailed historical schedule. Current resale stock includes units around the low-60s to mid-70s sqm, so a buyer should confirm whether a particular unit follows an original or altered layout.
Larger single-level residences offer family-scale space without leaving the inner city. On the resale market, floor, outlook, condition and the exact room arrangement can materially change the value of two apartments with a similar headline size.
The duplex format separates living functions vertically and therefore behaves differently from a flat apartment of similar size. The stair position, ceiling conditions and usable area on each level deserve an in-person check.
Historic catalogues separate these multi-level residences from the standard apartment stacks. They remain condominium units rather than landed houses; the townhouse label describes their internal format, not separate land ownership.
The largest residences sit in a different segment from the standard units and are not especially meaningful to compare on headline price per square metre alone. The registered plan, title, common-charge basis and physical condition become particularly important.
Published area schedules are not fully consistent. ZmyHome preserves a detailed historical mix starting at 41.88 sqm, while PropertyHub and current listings also show units around 34–35 sqm and broader ranges. The cards above therefore describe a documented historical layout set, not a guarantee that every resale unit follows the same configuration. Prices are the lowest the brokerage boards publish, not the developer’s price list — the price and availability of a specific unit are something we go through with you personally.
Facilities
10 amenities
Fitness and pool
- swimming pool on the 4th floor
- fitness room on the 4th floor
Leisure
- sauna
- garden and outdoor relaxation areas
Security
- 24-hour security
- CCTV
- controlled access
Everyday building facilities
- lobby
- mailboxes
- parking
How the tower is arranged
- Basement levelsMain parking
- Ground floorLobby and entrance
- 4th floorSwimming pool and fitness room
- RooftopCommunal garden
Location
- Sap Road links the Surawong and Si Phraya street network in Bang Rak, placing the building inside Bangkok's established inner-city commercial area.
- A current DDproperty listing places Sam Yan MRT at 580 m; older project reviews generally quote about 500–550 m.
- Chong Nonsi BTS is roughly 0.8–0.9 km away in the available sources.
- Several surrounding streets operate one-way, so a short map distance does not always translate into an equally direct driving route during busy periods.
Address / landmark75 Sap Road, Si Phraya, Bang Rak, Bangkok 10500, 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
The district guide explains everyday context. Check the specific unit, price and documents separately.
Price & purchase terms
- Current price: From THB 4.5M in a DDproperty resale listing published on 7 September 2026 and still visible when checked on 10 September 2026. This is a lower secondary-market asking-price anchor, not a developer price; the unit, title, foreign-quota availability and deal terms need to be checked individually.
- Completed: 2015
We show the lowest of the prices the brokerage boards publish: their figures for the same unit differ by a few per cent, and none of them is the developer’s price list. We ask the developer for the current price, availability and payment terms on the unit you are looking at, and go through them with you personally.
Project stage — what we know
Completed in 2015. Not a render.
Visit in person and see the real units; resale and rentals exist.
- Planned
- Building
- Done
Transparency index
Facts already published on this page and points we clarify together.
The project has 10 documented key facts; 7 items are clarified before booking.
We count facts already published on this page. The index does not assess the project’s quality.
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: Buyers whose daily life is centred on Silom, Surawong, Sam Yan or Sathorn and who value already being inside the inner-city employment zone.; People who prefer a completed building where the exact apartment, common areas and neighbourhood can be inspected before committing.; Buyers looking for larger or less conventional central-city layouts, including duplex, triplex, penthouse and townhouse-style condominium units.; Investors who would rather evaluate live resale and rental evidence than rely on an off-plan launch forecast.; Buyers who are comfortable with normal resale-condominium diligence: obtaining fresh juristic-person documents, checking common-fee arrears, confirming the selected unit's quota and understanding the actual parking arrangement rather than treating an old project profile as the complete deal file.; may not suit: Buyers who specifically want a brand-new building, launch-stage payment terms and first-cycle building warranties.; Anyone who requires a station-front or directly connected transit location; the nearest rail stations are walkable but not at the entrance.; Buyers who prefer highly standardised apartment stacks that can be compared almost entirely by size and floor; Siamese Surawong has a more varied layout history..
What we confirm before booking
A short, specific to the project list. We request these from the developer and go through them with you before any payment.
- the legal entity in the SPA and the payee’s bank details
- the title format and what is registered against the unit
- the contractual handover date in the SPA — the page shows the date from the project’s materials
- the contractual area of the chosen unit, and which basis it is measured on
Disputed and unknown information
This keeps the open points in one place. A missing or disputed fact is not treated as a conclusion.
- Completion year is inconsistent across sources: DDproperty, PropertyHub and FazWaz use 2015, while Homenayoo, ZmyHome and PPM use 2016. Siamese Asset's formal disclosure shows project transfers starting in March 2016, so an exact legal completion date should be taken from condominium records if it is material to the transaction.
- Most map-oriented and property sources identify 75 Sap Road, Si Phraya, Bang Rak, Bangkok 10500, while PPM publishes 81 Sap Road. The dossier uses 75 Sap Road for location, but the street number should be verified against current building documents.
- Published unit-size ranges vary. Detailed historical catalogues start one-bedroom layouts around 41.88 sqm, whereas PropertyHub and live resale listings also show 34–35 sqm units. The registered area and original plan must therefore be checked unit by unit.
FAQ
What does a unit in Siamese Surawong cost?
From 4,500,000 THB — per broker listings. Prices are the lowest the brokerage boards publish, not the developer’s price list — the price and availability of a specific unit are something we go through with you personally.
When is Siamese Surawong due for completion?
2015. The contractual handover date is fixed in the SPA.
Sources and documents
Official developer and public records used for this page. We publish no outbound links.
- Government / official registry checked 10.09.2026
- Government / official registry checked 10.09.2026
Read next
Related
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.
Ask about Siamese Surawong →Need help with a specific project?
Send the project name, a link or a written offer. We can match the exact property, seller, title route, stage and current unit terms before you decide.
Informational, not a public offer or personal investment, legal or tax advice. Price, availability, payment terms and guaranteed-return/buyback conditions are confirmed per unit with the developer and their contract.