What Is a Hanok? Korea's Traditional House, Explained
A hanok is a traditional Korean house built on a wooden frame of columns and purlins, topped with a roof in the Korean traditional style. That is close to the legal definition in Korea's 2015 Act on the Promotion of Architectural Properties including Traditional Houses, as quoted by the Seoul Hanok Portal. The word itself is fairly young.
1. The word dates from the late 1800s
The Seoul Hanok Portal explains that "hanok" was coined only after Western-style buildings arrived in Korea around the end of the nineteenth century, because there was suddenly something to compare Korean houses with. Before that, nearly every house was a Korean house and no special word was needed. The Portal says it entered a Korean dictionary (Samsung Publishing Company's Samsung saeurimal keunsajeon) only in 1975, defined as houses built in the traditional Korean style in contrast to Western-style buildings.
It is a compound of han (the Korean people) and ok (house). The Portal also notes that ok can mean buildings in general, and that "hanok" once covered palaces, temples, and Confucian shrines too. Today it is generally limited to private dwellings.
There is no single agreed definition. The Portal lists several official ones:
- The 2015 national law: a wooden structure on a traditional frame of columns and purlins, with a roof reflecting traditional architecture.
- Seoul's regulation (effective March 24, 2016): a building keeping traditional elements of the main structure, such as wooden framing and ceramic roof tiles, plus associated facilities.
- The Korean Association of Architectural History: a traditional wooden frame and layout including the heating system (ondol), the wood-floored main hall (maru), the kitchen, and the yard.
The common thread is a tiled roof and a wooden frame. The 2015 law also recognizes a "hanok architectural style" for buildings that look and are shaped like a hanok even when built with modern materials.
2. Built for four seasons
The National Folk Museum of Korea says the hanok grew out of Korea's four distinct seasons, with both hot summers and cold winters. For cold weather, a fire heats the floor. For summer ventilation, the house had a wooden-floored hall called the daecheong maru. The two features sit side by side: heated rooms for winter, an open wood-floored hall for summer.
The Seoul Hanok Portal adds a regional pattern. Houses in the north tended to have a double-row layout with low ceilings, which held warmth against the cold. Houses in the south used a single-row layout for air circulation, with the raised maru at the center.
3. Four floor-plan shapes
The Portal sorts traditional houses by layout.
| Shape | Typical features |
|---|---|
| U-shaped | Maru and kitchen in the middle, bedrooms in the wings, symmetrical |
| Square | Preferred in the colder north; rooms all connected, maru in the center with direct access to other rooms |
| L-shaped | Two straight houses joined at a right angle; larger yard, smaller interior |
| Straight-line | Compact, with many windowed doors for light and open to four directions |
4. Separate quarters in upper-class houses
The Folk Museum describes the layout of a large upper-class house. Inside the big gate (soteul daemun) stood the sarangchae, where men studied and received guests. It was built higher than other buildings to show the authority of the household head. Across a fence was the anchae, the women's quarters, which outsiders could not enter without permission. The Portal says wealthy families often had several buildings that separated men from women and seniors from juniors with low walls, while ordinary families put function ahead of looks.
5. Hanok today
The Portal describes a newer term, sinhanok, for houses that keep the wooden frame and look but use modern materials and systems to suit current life. Its 21st-century Seoul-style categories include a mini hanok of about 50 square meters, a community of small houses around a shared yard (madang hanok), and hanok built for mixed living and business use.
The skill behind these buildings is also recognized: the Korea Tourism Organization's UNESCO list entry on daemokjang describes master carpenters who built and repaired royal palaces and temples, joining wooden beams seamlessly (information as of its August 2025 update).
6. Key takeaways
- A hanok is a wooden-framed, tile-roofed house; legal definitions center on those two features.
- The word dates from the late nineteenth century and appeared in a dictionary in 1975.
- Floor heating and the open maru hall handle winter and summer.
- Four layouts exist: U, square, L, and straight-line.
- In upper-class houses, the sarangchae (men) and anchae (women) were separate.