How we checked this one
Checked 22 September 2026
Booking.com
8.8
3,370 reviews
Agoda
8.8
15,422 reviews
Combined
18,792
guest reviews
The two platforms agree to within a tenth of a point across 18,792 reviews, which is the signal we look for. Scores that diverge between platforms usually mean one of them is thin.
Confirmed on Booking.com (8.8 from 3,370 reviews) and Agoda (8.8 from 15,422 reviews), checked 22 September 2026. Booking.com lists it as Siam At Siam Design Hotel Bangkok. Straight-line distances are from its Booking.com coordinates to OpenStreetMap points. Sub-scores and facilities read from the Booking.com property page. We have not stayed here.
8.8 on Booking.com from 3,370 reviews, and 8.8 on Agoda from 15,422. The two platforms agree exactly.
Staff score 9.3, comfort and location 9.2, cleanliness 9.1, wifi 9.0, facilities 8.9 and value for money 8.5. Its location score is the lowest of our Siam hotels, which says more about the area than the hotel.
It is on Rama I Road, about 240 metres from National Stadium BTS in a straight line. Booking.com lists an outdoor pool, a fitness centre and three restaurants. A Deluxe room with two single beds costs around ฿5,040 a night.
Best for
A design-led five-star by the BTS at a mid-range price
Skip if
Value matters most, it scores 8.5 for value for money
How guests score it
Read from Booking.com, 22 September 2026
- Staff
- 9.3
- Comfort
- 9.2
- Location
- 9.2
- Cleanliness
- 9.1
- Wifi
- 9.0
- Facilities
- 8.9
- Value for money
- 8.5
Strongest on staff at 9.3, weakest on value for money at 8.5. We publish the low numbers as well as the high ones.
What the property lists
- Outdoor swimming pool
- Fitness centre
- 3 restaurants
- Room service
- Free parking
- 24-hour front desk
- Breakfast
These are the facilities this property itself lists on Booking.com, read on 22 September 2026. We don't guess them from the star rating.
Where it actually is
865 Rama I Road, Wang Mai, Pathum Wan, Bangkok 10330
Siam, Bangkok
Guests score the location 9.2, comfortably its strongest suit.
Map data © OpenStreetMap contributors.View larger map
Compare Prices
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Two adults, three nights, 12 to 15 January 2027. Taxes and fees included. Rates move constantly, so treat it as a marker rather than a quote.
How it compares nearby
| Hotel | Mean score | Stay | Badge |
|---|---|---|---|
| Siam@Siam Design Hotel Bangkok this one | 8.8 | ฿15,120 | Researched Pick |
| Tamni | 9.6 | ฿18,563 | Researched Pick |
| Four Seasons Hotel Bangkok at Chao Phraya River | 9.4 | ฿79,448 | Researched Pick |
| Mandarin Oriental, Bangkok | 9.4 | ฿67,530 | Researched Pick |
| Siam Kempinski Hotel Bangkok | 9.4 | ฿52,082 | Researched Pick |
Mean score averages every booking platform we checked for that property, so each row is measured the same way. Per-platform figures are shown above.
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