The Monument Sathon: reviews and facts
What is published about The Monument Sathon in Soi Sathorn 10, Silom, Bang Rak, Bangkok, Thailand, what official registers and other sources say, and what changed over time. Facts only, each with its source.
- Developer
- Sansiri PCL kellerhenson.com
- Location
- Soi Sathorn 10, Silom, Bang Rak, Bangkok, Thailand
- Stage
- off-plan · active kellerhenson.com
- Handover on record
- January 2030 kellerhenson.com
- Permit or licence number
- EIA approval 1009.5/9979 (24 Apr 2025), report 256801-28; owner and name change approved ทส 1009.5/22022 (22 Sep 2026) sansiri.com
- Deposit protection
- not researched yet
- Page we read
- kellerhenson.com kellerhenson.com
- Last checked
- 5 Nov 2026
- Open data record
- BKK-007
In short
- The Monument Sathon is listed as off-plan in Soi Sathorn 10, Silom, Bang Rak, Bangkok, Thailand, by Sansiri PCL. kellerhenson.com
- The handover date on record is January 2030. kellerhenson.com
- A permit or licence number is published. sansiri.com
- Of 9 developer claims we checked, 5 are confirmed by a register or an independent source, 4 are not yet verified and 0 are contradicted by another source. Open data record
What is promised
As published by the developer or on listing pages, in the wording of the source.
- Price from: THB 10,200,000 - 140,000,000 kellerhenson.com
- Units: 185 kellerhenson.com
- Unit sizes: 39 - 303 m² kellerhenson.com
- Unit types: 1BR, 1BR plus, 2BR, 3BR, penthouse kellerhenson.com
- Ownership: Freehold condominium unit in the 49% foreign quota kellerhenson.com
- Brand or operator: The Monument kellerhenson.com
- Permit authority: ONEP Expert Review Committee (EIA); Bangkok Metropolitan Administration (building permit) kellerhenson.com
- Handover promised: Q1 2030 kellerhenson.com
- developer: 29 storeys, 185 units, land about 1,600 sq m, parking about 102% sansiri.com
- developer: master plan, floor plans 7F to 29F and 32 unit layouts (1A to PH2), e-brochure sansiri.com
- developer: facilities incl. rooftop sky garden, pool, pet sky lounge, private dining, study room sansiri.com
- agent: 39 to 303 sq m, from 10.2M to 140M THB, completion 31 Jan 2030, EIA approved sansiri.com
Delivery and delay record
Every dated promise we found, how it changed and whether the date has passed. Status rules: promise tracker.
- Handover or completion: January 2030 date still ahead
developer or listing page, copy of 5 Nov 2026 (SHA-256 548ee79f0780ddd9) kellerhenson.com
Permits and licences
- Number published: EIA approval 1009.5/9979 (24 Apr 2025), report 256801-28; owner and name change approved ทส 1009.5/22022 (22 Sep 2026). sansiri.com
- Official register check: Thailand ONEP EIA register, environmental approval: approved, approval 1009.5/9979 dated 24/04/2568 (Thai calendar) (checked 3 Nov 2026). kolaboro.com/registers
Live check in the official registers
Queries the official registers we can reach for this country now and shows what each returns. Each answer is hashed (SHA-256); nothing is invented, a register with no data says so.
The six buyer checks
Public means the information is published. The level says who confirms it. Method: how we score.
| Check | Public | Who confirms it | What we found |
|---|---|---|---|
| Permit or licence number | yes | confirmed in an official register | |
| Deposit protection | no | not published | |
| Construction progress | no | not published | No construction progress published; register says not yet constructed sansiri.com |
| Floor or site plans | yes | stated only by the developer | Developer page publishes master plan, floor plans by level and 32 unit layouts sansiri.com |
| Developer track record | yes | confirmed by an independent source | SET FY2025 listed company snapshot: Sansiri launched 24 projects in 2025 and began transfers at 5 completed condominiums in 4Q2025 sansiri.com |
| No guaranteed returns | yes | stated only by the developer | No guaranteed return or yield on developer page sansiri.com |
Developer claims we tested
| Claim (source wording) | Result | Checked against | Source |
|---|---|---|---|
| Project has EIA approval | verified | registry | eia.onep.go.th |
| Located on Soi Sathorn 10, Bang Rak | verified | registry | eia.onep.go.th |
| Sansiri is SET-listed and delivered condominiums in 2025 | verified | independent | lssmedia.setlink.set.or.th |
| 185 units on 29 storeys | not verified yet | sansiri.com | |
| Completion 31 January 2030 | not verified yet | kellerhenson.com | |
| Prices from 10.2M THB | not verified yet | kellerhenson.com | |
| Freehold condominium | not verified yet | kellerhenson.com |
What changed, with dates
- 5 Nov 2026 · Hourly page check: developer page claims 10 units left, a sales claim we cannot verify (SHA-256 548ee79f0780ddd9...) kellerhenson.com
- 5 Nov 2026 · Hourly page check: developer page says permits are obtained but publishes no permit number (checked 07:43 UTC) (SHA-256 548ee79f0780ddd9...) kellerhenson.com
- 5 Nov 2026 · Hourly page check: payment plan stated: 30% due on booking (SHA-256 548ee79f0780ddd9...) kellerhenson.com
- Fingerprint of the developer page text on 3 Nov 2026: SHA-256
754f67b15cb1e779.... Anyone can check it on kolaboro.com/verify. kolaboro.com/verify
Public reports
What public sources report, with the link. We list reports; we do not judge the developer.
- No reports of disputes, regulator action, stoppages or financial difficulty found in the sources we read.
About the developer
- Head office: Bangkok, Thailand kellerhenson.com
- Listed or audited: Stock Exchange of Thailand (SIRI), SET100 kellerhenson.com
- SET FY2025 listed company snapshot: Sansiri launched 24 projects in 2025 and began transfers at 5 completed condominiums in 4Q2025 kellerhenson.com
Other projects by Sansiri PCL that we track
- XELF by Sansiri Bangkok
- The Standard Residences Hua Hin Hua Hin
Similar projects
- MAVISTA Phrom Phong Bangkok · off-plan
- InterContinental Residences Bangkok Asoke Bangkok · off-plan
- SLS Residences Bangkok Sukhumvit 24 Bangkok · off-plan
- Chapter Charoenkrung-Riverside Bangkok · under construction
- Widen by Sansiri Bangkok · under construction
Market context: Bangkok
- We track 8 projects in Bangkok. 38% publish a permit or licence number and 0% state deposit protection. kolaboro.com/m
Buyer reviews
There are no verified buyer reviews of The Monument Sathon yet. We publish a review only from a buyer who proves the purchase (fingerprint of the contract or receipt, signed with a passkey) and only after a moderator has read it.
Reviews waiting for moderation are not shown.
Right of reply
Are you the developer? Send documents and we add your reply to this page. Found a wrong fact? Tell us and we correct it with a dated note.
Reply as the developer Report a correction Questions to ask the developer
Before you pay
Paste the project link for a free live check of what official registers say. For a full desk review and a site visit by a local agent, order the pre-purchase check.
Questions buyers ask
Is The Monument Sathon legit?
Kolaboro does not label projects or developers. What the public record shows: A permit or licence number is published. Of 9 developer claims we checked, 5 are confirmed by a register or an independent source, 4 are not yet verified and 0 are contradicted by another source. The handover date on record is January 2030. No reports of disputes, regulator action, stoppages or financial difficulty found in the sources we read. Check the sources on this page and ask the developer for documents before paying.
When will The Monument Sathon be delivered?
The handover date on record is January 2030.
Who is the developer of The Monument Sathon?
Sansiri PCL, according to the sources listed on this page.
Does The Monument Sathon have a permit or licence?
A permit or licence is confirmed in an official register (see Permits and licences).
Are there reviews of The Monument Sathon?
There are no verified buyer reviews yet. Buyers who prove their purchase can submit one; it is published after moderation.
Sources
Every fact on this page links to its source. Pages we read are fingerprinted and kept by date.
- kellerhenson.com https://kellerhenson.com/project/the-monument-sathon
- sansiri.com https://www.sansiri.com/condominium/the-monument-sathon/en/
- eia.onep.go.th https://eia.onep.go.th/eia/detail?id=14566
- eia.onep.go.th https://eia.onep.go.th/eia/detail?id=16476
- eia.onep.go.th https://eia.onep.go.th/services/web/open-api/eia-list?page=5
- lssmedia.setlink.set.or.th https://lssmedia.setlink.set.or.th/2025/YE/SIRI-YE68-ListedCompanySnapshot-EN.html
Last checked 5 Nov 2026. How we collect data: data policy. Facts quoted from sources are shown in the language of the source.