One of the first questions people ask when planning to build a 30-tsubo home is whether 30 tsubo feels spacious or small. This article explains how to convert it into square meters and tatami mats, along with the design points that can make a 30-tsubo home feel open and comfortable.
How many square meters is 30 tsubo? How many tatami mats is that?
When converted, 30 tsubo equals approximately 99.17 square meters (about 60 tatami mats). One tsubo is about 3.3 square meters. Real estate area is generally shown in square meters (㎡), but knowing how to convert between square meters and tsubo is useful when comparing properties.
Is a 30-tsubo home spacious or small?
The average detached home is about 34 tsubo, so 30 tsubo is slightly smaller than average. Even so, homes under 30 tsubo have become more common in recent years, and with the right floor plan, it is entirely possible to live comfortably without feeling cramped.
30 tsubo of land is different from 30 tsubo of building area
"A 30-tsubo lot" and "a 30-tsubo house" are not the same thing. In home building, the building coverage ratio sets the maximum share of the land that the building may occupy. If the building coverage ratio is 50%, the largest building that can be built on a 30-tsubo lot is 15 tsubo (about 49.6㎡). Always confirm whether the figure refers to land area or building area.
What are the key points for making a 30-tsubo home comfortable?
Increase living space with a three-story design
A three-story home can secure three times the living space of a single-story home and 1.5 times that of a two-story home. Expanding vertically makes it possible to create a more spacious lifestyle even within 30 tsubo. However, it is important to carefully consider daily circulation and future use from the design stage onward.
Create a sense of openness with high ceilings and an atrium
Raising only the living room ceiling or adding an atrium creates a greater sense of visual openness. An atrium also performs well for daylighting, bringing in sunlight and helping create a warm, welcoming space. The design should also take into account its impact on heating and cooling efficiency.
Use a skip floor to make better use of space
A skip floor is a space where part of the floor is raised by a level difference, and it is also referred to as a "raised platform" or a "mezzanine level." Adding storage beneath the level change helps maximize the usable living area.
Expand the living area with smarter storage planning
Homes with limited storage tend to fill up with belongings, which creates a cramped feeling. Using shelves as "display storage" can help maintain an organized environment while saving space at the same time.
Be mindful of the connection to outdoor space
Adding a wood deck or terrace and visually connecting the living room to the garden can greatly increase the sense of openness. Matching the color of the indoor flooring to the color of the wood deck further strengthens the sense of continuity between indoors and outdoors.
What furniture choices help a 30-tsubo home look more spacious?
Choose fewer pieces of low-profile furniture
Low-profile furniture creates space between the furniture and the ceiling, making the room appear larger. Keeping the number of furniture pieces to a minimum and increasing the visible floor area is also a basic principle for creating a more open feel.
Unify colors and tones
If furniture colors are inconsistent, visual noise increases and the room feels smaller. When the room's colors and tones are unified, the space feels more generous and cohesive.
Related reading
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- Interior choices set men's solo living apart! Styles and layout ideas that make an 8-tatami room look larger
Frequently Asked Questions (FAQ)
Q. Can a family of four live in a 30-tsubo home?
A. Because a 3LDK to 4LDK layout can be designed, a family of four can live there comfortably. With a two- or three-story plan, it also becomes easier to secure a private room for each family member.
Q. What is the approximate construction cost of a 30-tsubo home?
A. For a standard wooden house, a rough benchmark is around 500,000 to 800,000 yen per tsubo, so a 30-tsubo home would cost about 15 million to 24 million yen. The actual amount varies significantly depending on the equipment, construction method, and region.
Q. What is the building coverage ratio?
A. It is a rule that sets the maximum proportion of the site area that a building may occupy. Depending on the zoning district, it is generally set within a range of 30% to 80%, and it can be checked through the municipality's urban planning rules.
Q. What changes between 30 tsubo and 40 tsubo?
A. A difference of 10 tsubo (about 33㎡) is equivalent to roughly five to six 6-tatami rooms. It affects the number of rooms, the amount of storage, and the size of the LDK, but with the right design, a 30-tsubo home can still provide a spacious way of living.
