🏢

Under construction

SansiriCondominium🚉 BTS Thonglor 🚆 BTS Sukhumvit Line

Xelf by Sansiri

เซลฟ์ บาย แสนสิริ

Rama IV Road near Thonglor, Khlong Tan, Watthana, Bangkok · Thonglor

Starting from

฿3.29M

23.75-85.50 sqm

2028

✦ 3 minutes from BTS Thonglor; near Queen Sirikit Convention Centre MRT
✦ 1.6km to K Village; complimentary shuttle to BTS Thonglor
✦ 946 residential units plus retail, on a 37-floor tower with 1 basement level
✦ 30m pool with Bang Krachao greenery views; amenities spread across 5 floors
✦ 7% construction complete, expected completion 2028

Unit types

1BR2BR3BR

Facilities

Swimming poolGymCo-working & co-pantryEntertainment roomCentral gardenMeeting roomSemi-outdoor recreation areaMail room

Documents & downloads

📄E-Brochure (TH)Brochure

Construction progress

Expected completion 2028

Starting from

฿3.29M

Est. rent: ฿13K–฿17K/month

Unit sizes

23.75-85.50 sqm

Price / sqm

฿139K

Total units

946

Floors

Completion

2028

District

Thonglor

Status

Under construction

🔥 Value analysis

29% below area median

This project (per sqm)฿139K

Area median (per sqm)฿197K

Based on 30 comparable Condominium projects within 5 km.

Official land value here

฿395K per sq.wah

≈ ฿99K per m² of land

District median (Thonglor)฿210K

Pricier land than 99% of tracked locations

Official zone appraisal by the Treasury Department (2023-2026 cycle), median of 93 land parcels within 150 m of the project pin. Land value, not unit price; government appraisals typically sit below open-market prices.

What the city plan allows here

High-density residentialY9-23

Floor area ratio (FAR)7

A plot in this zone may hold 7 times its own area in floor space.

Open space required4.5%

Bangkok comprehensive plan, the 2013 regulation in force. These are zone rules, not plot rules: setbacks, road width and the project's own EIA conditions apply on top.

Around the address

82 amenities mapped within 800 m

Cafés & restaurants 55Schools 8Supermarkets 6Convenience 4Clinics 3

Nearest flood point the city monitors: 233 m away. 5 monitored points sit within 1.5 km.

Amenities from OpenStreetMap. Flood points are road locations the BMA drainage department monitors, not a risk rating for this building.

View on Sansiri website ↗

🤖 AI investment score & projected yield

74See the full analysis below ↓

Tracking history

Tracked since July 13, 2026. Price, construction and status are checked every two days.

2026-09-09Construction: 8% → 9%
2026-08-11Construction: 7% → 8%
2026-07-13Construction: 6% → 7%

AI Investment Insights

/100

Investment score

Location9/10

Value8/10

Developer8/10

Transit6/10

Est. gross rental yield: 4.5–6% per yearGrowth outlook: ModerateSuits: Rental investor · Own-stay buyer · Flipper

Xelf by Sansiri offers a rare relatively affordable entry point into the mature, high-demand Thonglor market, backed by a top-tier developer, though investors must weigh the long construction runway to 2028 and reliance on a shuttle rather than direct BTS access.

Strengths

Prime Thonglor address with strong long-term rental demand from expats and professionals
Attractive entry price per sqm (~139,000 THB) relative to typical Thonglor premiums
Sansiri is a proven, well-capitalized developer with strong delivery track record
Small unit sizes from 23.75 sqm suit investor rental strategies and quicker absorption

Watch out for

Still very early in construction (only 6% complete) with completion not until 2028, adding delivery-timeline risk
Complimentary shuttle bus to BTS Thonglor suggests the project is not immediately walkable to the station despite marketing claims
Large unit count (946) may create competitive supply pressure at handover, softening rental yields

AI analysis · claude-sonnet-5 · September 29, 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

฿3.38M

Purchase price฿3.29M

Transfer fee฿33K

Sinking fund฿14K

Common fee prepay฿17K

Furniture฿0

FX transfer cost฿25K

Net annual rental income

฿112K