Shanghai Mansion BangkokvsThe Siam Heritage
Both hotels are recommended by experts. On balance, Shanghai Mansion Bangkok ranks significantly higher than The Siam Heritage. Shanghai Mansion Bangkok comes in at 85 with recommendations from 10 reviews such as DK Eyewitness, The Telegraph and Rough Guide.
Shanghai Mansion Bangkok
 Frommer's
 DK Eyewitness
 Rough Guide
 Time Out
 Star Service
 Gayot
 Travel + Leisure
 Oyster
 The Telegraph
 Condé Nast Traveler Show All Reviews 
479-481 Yaowaraj Road, Samphantawong, Bangkok 10100, Thailand
From $25/night
- Bar/Lounge
 - Free Internet
 - Room Service
 - Free Breakfast
 - Laundry Service
 - Concierge
 
 "This newish hotel is a small but superb example of some of Bangkok's more character-filled boutique hotels that are springing up." Full review
 "Once the home of a wealthy Chinese merchant, this charming hotel celebrates the colors and romance of Chinatown." 
 "The most design-conscious accommodation in Chinatown has embraced the modern Chinoiserie look with gusto." 
 "It's little overstatement to say this boutique hotel is electrifying, and it's not just the acidic colour scheme: it has a real buzz to it." Full review
 "No Sukhothai, this place represents well the continuing wave of small, quality-driven boutique-hotels that are popping up around the country. " Full review
 "This chic and contemporary boutique hotel is sure to make your experience in Bangkok one you will never forget." 
 "The hotel is tranquil, and the rooms have beautiful canopy beds and bright accents. Even though the décor skews more Chinese than Thai it’s worth booking a stay." Full review
 Upscale
 "In a city where hotel rates are competitive and there are hundreds of options to choose from, this intimate, 76-room boutique hotel still manages to stand out." Full review
9.0
 "China’s ‘Roaring Thirties’ come to life in a retrofitted, 70-year-old building in the heart of Bangkok’s Chinatown." Full review
 "Why book? Travel back to Shanghai in the 1930s, to the glitz and glamour, the mystery and romance, via one historic property set amidst the neon and hustle of Bangkok’s Chinatown.Set the..." Full review
The Siam Heritage
 Fodor's
 DK Eyewitness
 Oyster
 Lonely Planet
115-1 Surawong Road, Bangrak, Bangkok 10500, Thailand
From $24/night
- Bar/Lounge
 - Free Internet
 - Room Service
 - Laundry Service
 - Concierge
 - Laundy Room
 
 "The family that runs the Siam Heritage has created a classy boutique hotel with a purpose—to preserve and promote Thai heritage." Full review
 "Right around the corner from the raucous streets of Patpong, the serene and traditional Siam Heritage provides an interesting contrast." 
 Upscale
 "The upscale, 73-room Siam Heritage uses antique handicrafts and paintings from northern Thailand to inject charm into an otherwise aging hotel." Full review
Top choice
 "Tucked off busy Th Surawong, this classy boutique hotel oozes with homey Thai charm – most likely because the owners also live in the same building." Full review