The Monument Sathon

เดอะ โมนูเมนต์ สาทร

Soi Sathon 10, Silom, Bang Rak, Bangkok · Sathorn

Starting from

฿9.9M

39.00-303.00 sqm

✦ 80m to BTS Saint Louis; also near BTS Chong Nonsi (600m) and Surasak (850m) on the Silom Line
✦ Single 29-storey tower, 185 units, on approx. 1 rai in the Sathorn/Silom CBD
✦ 600m to King Power Mahanakhon; 400m to Saint Louis Hospital; 650m to Bangkok Christian College
✦ Rooftop 'Sansiri Backyard' garden, pet sky lounge & grooming spa, hydrotherapy pool and onsen heat therapy
✦ Newly launched Aug 2026 under Sansiri's The Monument brand; pre-sale pricing from ฿9.9M up to ฿150M for penthouses

Unit types

1BR1BR+2BR3BRPenthouse

Facilities

Swimming poolKids' pool & hydrotherapy jacuzziExercise room & Pilates studioOnsen heat therapyPet sky lounge & grooming spaRooftop garden (Sansiri Backyard)Private dining roomChildren's playground

AI Investment Insights

/100

Investment score

Location9/10

Value6/10

Developer8/10

Transit10/10

Est. gross rental yield: 4.5–5.5% per yearGrowth outlook: ModerateSuits: Rental investor · Own-stay buyer

The Monument Sathon offers an exceptional CBD location just steps from BTS Saint Louis, backed by Sansiri's strong brand, though its premium pricing caps value upside and yields near the lower end of Sathorn's typical range. It suits investors prioritizing prestige and long-term capital appreciation over immediate rental returns.

Strengths

Ultra-prime Sathorn/Silom CBD location just 80m from BTS Saint Louis and near two other BTS stations
Sansiri's premium 'The Monument' brand carries strong delivery track record and resale appeal
High-end wellness-focused facilities (onsen therapy, pet spa, rooftop garden) differentiate it in a competitive segment
Small footprint (185 units on ~1 rai) supports exclusivity and potential price resilience

Watch out for

Price per sqm (~254,000 THB) is at the higher end for the district, limiting near-term value upside
Upcoming/pre-sale status with no confirmed completion year adds construction and timeline risk
Rental yields likely capped near the lower end of the Sathorn range given premium pricing

AI analysis · claude-sonnet-5 · August 19, 2026 · AI-generated analysis based on public data. Not investment advice — verify with the developer before deciding.

🧮 True-cost & yield calculator

For foreign buyers paying cash. Adjust any assumption — estimates only.

✨ Prefilled from this project's AI analysis

Purchase price (฿)Unit size (sqm)Furniture budget (฿)FX transfer cost (%)Sinking fund (฿/sqm)Common fee (฿/sqm/mo)Common fee prepaid (months)Gross rental yield (%)Occupancy (%)Management fee (%)Effective rental tax (%)Annual price growth (%)

Developer splits the 2% transfer fee 50/50

Tax is simplified — confirm with a tax adviser.

Total acquisition cost

฿10.1M

Purchase price฿9.9M

Transfer fee฿99K

Sinking fund฿23K

Common fee prepay฿28K

Furniture฿0

FX transfer cost฿74K

Net annual rental income

฿336K