[2] The building has 31 floors and 402 guest rooms.

[3] W Bangkok is connected with The House on Sathorn (Sathorn Mansion), which serves as a dining and entertainment venue for the hotel.

[4] The House on Sathorn was built in 1889 during the reign of King Rama V. It was originally owned by Luang Sathorn Rajayutka, a wealthy Chinese businessman who developed Sathon Canal.

[5] In the 2000s, the mansion underwent renovation as part of W Bangkok.

In 2015, this 127-year-old mansion officially opened as The House on Sathorn, a new dining venue in Bangkok[6]