The Thai province of Kanchanaburi is one of the country’s hottest regions, with a tropical savanna climate and annual temperature averages of over 100 degrees Fahrenheit. So when Bangkok-based design practice Anghin Architecture set out to create a new addition to a riverside house it designed years ago, the team prioritized passive cooling throughout. Taking advantage of the site’s topography, the terracotta home is positioned for optimal air circulation and cross ventilation to maximize comfort while minimizing energy consumption.

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red terracotta brick home with many windows

annex exterior terrace

Named the Kanchanaburi House Phase II, the structure spans a little more than 2,300 square feet and is covered in red terracotta cladding to match the appearance of the original home. The annex, set near a river, provides elevated views of the water and also offers leisure facilities for the homeowner and her guests.

Pool table in front of a large home bar

bathtub surrounded by windows

Raised off the ground, the building includes the parking pad and storage space on the lower level. The upper floor consists of a guest room, bathroom and spacious Pilates room flanked with balconies on the north end; an open-plan living space, play area and bar area in the middle; and an expansive outdoor entertaining terrace on the south end that looks out over the river.

play room with pool table and lounge chair

covered outdoor living area with couches

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“Tackling energy consumption was our main focus,” Anghin Architecture said. “The house was designed to maximize comfort through a passive cooling system. We make use of the site’s topography by elevating the house to allow for better air circulation. In addition to cross ventilation at the main level, the air shaft was designed to help further ventilate the ceiling by allowing the cooler air from underneath the house to move up and disperse the heat collected under the roof. The northern opening ensures thorough illumination without the direct sunlight penetration, while the extended wall fins and retractable awning keep the house properly shaded.”

+ Anghin Architecture

Via ArchDaily

Images by Gregoire Glachant

Exterior of the red terracotta brick home