The Langham, Custom House: Bangkok's Most Anticipated Luxury Hotel Opening in 2026

Bangkok is getting a major new luxury hotel. The Langham, Custom House, Bangkok is set to open in late 2026 as the brand's first property in Thailand, occupying a restored 19th-century heritage building on the banks of the Chao Phraya River. It is one of several major openings fuelling Bangkok's hotel boom in 2026.

A Historic Building Reborn

At the heart of the project is Bangkok's Old Custom House, a neo-Palladian building designed by Italian architect Joachim Grassi and erected in 1888. Located in the Bang Rak district, the building once served as the kingdom's central customs office and is considered one of Bangkok's most significant heritage structures. It sits near Wat Arun, the Temple of Dawn, which is visible from the riverside.

The restoration aims to bring the building back to its former glory while integrating it into a modern luxury hotel complex. The site also includes the former post office, which will be reimagined to house dining and wellness amenities.

What to Expect

The Langham, Custom House will feature 75 elegantly appointed guestrooms in a contemporary wing, alongside the restored historic buildings. Key highlights include:

• T'ANG COURT restaurant — the famous Cantonese dining venue that has earned three Michelin stars at other Langham properties worldwide. Bangkok's Michelin Guide 2026 already recognises numerous riverside restaurants in the area.
• Chuan Spa — a premium wellness facility incorporating traditional Chinese medicine principles
• Riverside setting — direct access to the Chao Phraya River, one of Bangkok's most scenic waterways

The total investment for the project is reported at 6 billion THB (approximately $170 million USD), making it one of the most significant hotel investments in Bangkok in recent years. For context, foreign investors have poured over 12 billion baht into Thai hotels in 2026 alone.

Location and Access

The hotel sits in Bang Rak, one of Bangkok's oldest and most culturally rich neighborhoods. The district is known for its street food, Chinatown proximity, and the famous Asiatique night market along the river. The area is also close to Banthat Thong Road, one of Bangkok's most rewarding food streets.

Travelers can reach the area via:

• BTS Saphan Taksin station (Silom Line), connecting to Chao Phraya express boats. See our full Bangkok public transport guide for route planning tips.
• River taxis and ferries from major piers along the river
• A short taxi ride from Silom, Sathorn, and the main business district

Why This Matters for Travelers

Bangkok already has no shortage of luxury hotels, but The Langham, Custom House stands out for its heritage angle. Instead of building another glass tower, the project restores a building with genuine historical significance — something that appeals to travelers looking for a sense of place. Other recent openings taking a similar upscale approach include the Andaz One Bangkok, the Anantara Siam Bangkok after its major renovation, and the Prince Akatoki Riverside Bangkok.

The Chao Phraya riverside has seen a wave of luxury hotel development in recent years, with properties like Capella Bangkok and Four Seasons Bangkok already operating nearby. The Langham's arrival confirms the area as Bangkok's premier luxury hotel corridor. Travellers keen to explore the broader Bangkok luxury hotel scene in 2026 will find plenty of competition at the top end.

When Can You Book?

The hotel is expected to open in late 2026. Official booking dates have not yet been announced. Keep an eye on The Langham's website for updates.

In the meantime, Bangkok offers a wide range of established stays. Use our Bangkok hotel guide to compare verified choices by area, transport consequence and traveller fit, or open the Bangkok neighbourhood guide when the district decision comes first. Wellness-focused travellers may also be interested in Bangkok's best wellness retreats while waiting for Chuan Spa to open. For a broader picture of what Bangkok has to offer in 2026, our Bangkok spectacular AWC guide covers riverfront attractions including those along the Chao Phraya near the Custom House site.