Coupon code & discounted price for S21 Mellow Phromphong
New IMPT customers receive a discounted price of 10% off their first booking at S21 Mellow Phromphong. The coupon code is applied automatically at checkout when you book through IMPT — it stacks with our best-rate guarantee. Find a lower price elsewhere within 24 hours and we'll refund the difference.
- Discounted price on your first stay at S21 Mellow Phromphong
- Free cancellation on most rates
- Best-rate guarantee — match anywhere on the web
- Every booking removes CO₂ at no extra cost
Key facts about S21 Mellow Phromphong
S21 Mellow Phromphong is a 4-star hotel in Bangkok, Thailand. The property has 1 rooms. Check-in is from 15:00 and check-out by 11:00. Every booking through IMPT funds verified climate-positive action at no extra cost.
| Property type | Hotel |
|---|---|
| Star rating | 4★ |
| Total rooms | 1 |
| Check-in | From 15:00 |
| Check-out | By 11:00 |
| Location | Bangkok, Thailand |
| Address | 36 Soi Phrom Si 1, Bangkok, Thailand |
| Coordinates | 13.736, 100.5724 |
| Languages | English |
| Climate impact | Carbon-neutral booking · UN-verified |
What's included at S21 Mellow Phromphong?
S21 Mellow Phromphong offers 15 verified amenities across the property — free wifi, free car parking, non smoking rooms, free parking, free wifi, and more. Full list below.
- 🏨Free wifi
- 🏨Free car parking
- 🏨Non smoking rooms
- 🚗Free Parking
- 📶Free WiFi
- 🌿Terrace / Garden
- 🏨Internet access
- 🏨Air conditioning
- 📺Flat-screen TV
Your booking removes real CO₂.
When you book S21 Mellow Phromphong through IMPT, a portion of every booking funds UN-verified carbon removal — real farmers, real land, every tonne publicly tracked. You pay the same as any direct rate; the planet is what changes.
Where is S21 Mellow Phromphong located?
S21 Mellow Phromphong is located in Bangkok, Thailand — 36 Soi Phrom Si 1. Coordinates: 13.736, 100.5724. Tap the map below to open the location in Google Maps.
More hotels in Bangkok
Frequently asked about S21 Mellow Phromphong
Is there a discount code for S21 Mellow Phromphong?
Yes. New IMPT customers can save 10% on a stay at S21 Mellow Phromphong with discount code IMPT10. Apply the code at checkout — it stacks with our best-rate guarantee.
How can I get the best rate at S21 Mellow Phromphong?
Booking S21 Mellow Phromphong through IMPT.io guarantees the best available rate. Use code IMPT10 for an additional 10% off your first booking. If you find a lower price elsewhere within 24 hours, we'll refund the difference.
How do I book S21 Mellow Phromphong?
Book S21 Mellow Phromphong through IMPT using the booking widget on this page. Select your dates, apply discount code IMPT10 if eligible, and click Book Now. Every booking removes CO₂ from the atmosphere at no extra cost to you — UN-verified.
Does booking through IMPT cost more?
No. Booking through IMPT costs exactly the same as booking direct. IMPT funds the carbon removal from its commission — you pay the same rate, the planet wins. Zero premium, zero catch.
Is free cancellation available at S21 Mellow Phromphong?
Most room rates at S21 Mellow Phromphong include free cancellation. The cancellation policy is displayed in full before you confirm your booking.
Does S21 Mellow Phromphong have parking?
Yes — free parking is available on site at S21 Mellow Phromphong.
Does S21 Mellow Phromphong have free WiFi?
Yes — S21 Mellow Phromphong offers free WiFi for all guests across the property.
How does IMPT verify the carbon removal?
Every carbon credit funded through IMPT is independently UN-verified through farm-to-plate carbon removal projects — primarily regenerative agriculture. You can track your credits at any time through your IMPT account.
What are the check-in and check-out times at S21 Mellow Phromphong?
Standard check-in is from 3:00 PM and check-out by 11:00 AM. Early check-in and late check-out can be requested and are subject to availability — contact the hotel directly after booking.