How we checked this one
Checked 17 September 2026
Booking.com
9.5
1,895 reviews
Agoda
9.3
7,696 reviews
Combined
9,591
guest reviews
The two platforms agree to within a tenth of a point across 9,591 reviews, which is the signal we look for. Scores that diverge between platforms usually mean one of them is thin.
Confirmed on Booking.com (9.5 from 1,895 reviews) and Agoda (9.3 from 7,696 reviews), checked 17 September 2026. Booking.com shows an official five-star rating. 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.
9.5 on Booking.com from 1,895 reviews, 9.3 on Agoda from 7,696. Averaged, that ties it with The Moment for second-best in Bangkok.
Location, staff and comfort all score 9.7, the location the best of our Siam picks. Its coordinates are about 300 metres from Siam BTS. Booking.com lists a pool, a spa, a hot tub and a gym.
At around ฿14,041 a night it is the most expensive of our Siam picks, and value for money at 8.9 is its lowest score.
Best for
A five-star in the middle of the Siam shopping district
Skip if
Value matters, 8.9 is its lowest score
How guests score it
Read from Booking.com, 17 September 2026
- Staff
- 9.7
- Comfort
- 9.7
- Location
- 9.7
- Cleanliness
- 9.6
- Facilities
- 9.6
- Wifi
- 9.0
- Value for money
- 8.9
Strongest on staff at 9.7, weakest on value for money at 8.9. We publish the low numbers as well as the high ones.
What the property lists
- Outdoor swimming pool
- Spa and wellness centre
- Hot tub
- Massage
- Fitness centre
- Garden
- Breakfast
These are the facilities this property itself lists on Booking.com, read on 17 September 2026. We don't guess them from the star rating.
Where it actually is
991/9 Rama I Road, Pathum Wan, Bangkok 10330
Siam, Bangkok
Guests score the location 9.7, comfortably its strongest suit.
Map data © OpenStreetMap contributors.View larger map
Compare Prices
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Our quoted rate of ฿14,041 a night was for Two adults, three nights, 15-18 November 2026, on Booking.com. Rates move constantly, so treat it as a marker rather than a quote.
How it compares nearby
| Hotel | Mean score | From | Badge |
|---|---|---|---|
| Siam Kempinski Hotel Bangkok this one | 9.4 | ฿14,041 | Researched Pick |
| Mandarin Oriental, Bangkok | 9.4 | ฿23,344 | Researched Pick |
| The Moment | 9.4 | ฿3,548 | Researched Pick |
| Sheraton Grande Sukhumvit | 9.3 | ฿10,044 | Researched Pick |
| Eastin Grand Hotel Sathorn | 9.3 | ฿4,400 | 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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