Atelier Cotocoto

Compact House｜Home Building Q&A Author: Qurasuki Editorial Department

In compact houses, rather than simply streamlining a limited floor area, a vital topic is what kind of lifestyle to preserve and what is expected of the residence. Required sizes differ based on family structure, living schedules, and possessions, and the perception of livability varies even within identical square footage. Conditions required for compact living also change with site shapes, surrounding environments, and future family transitions. While valuing the proximity and ease of management gained by minimizing size, concerns may arise regarding storage, private rooms, or future utility. We organize the questions common in compact houses through the relationship with lifestyles and futures that floor area alone cannot measure.

What kind of mindset is important to realize comfortable living in a compact house?

In a compact house, how effectively limited floor area is used becomes a crucial point. Giving a single space multiple roles or planning storage integrated with the architecture can enhance livability. Additionally, creating sightline throughways via double-height voids or high windows results in a home that feels more open than its actual size.

What kind of structural considerations are necessary for a compact house built on a narrow plot?

Because buildings on narrow plots frequently extend vertically, structural planning to secure earthquake resistance becomes important. Appropriately examining load-bearing structural wall placements and wall volume balance, and reinforcing with structural plywood or metal hardware as needed, is performed. Additionally, since ground improvement may be necessary depending on ground survey results, planning grounded in site conditions is indispensable.

What kinds of merits does incorporating split-level floors bring to a compact house?

Split-level floors are a technique to utilize space three-dimensionally by giving variations to floor heights. Because spaces can be divided gently without partitioning by walls, a sense of expansion is easily felt even on a limited floor area. On the other hand, because steps increase, planning while keeping future lifestyles and family structure changes in view is important.

How can sufficient lighting and ventilation be secured in a compact house?

When the distance from neighboring houses is close, utilizing high windows or skylights allows you to bring in light while protecting privacy. Additionally, providing double-height voids makes it easier to deliver natural light deep into the interior. To secure airflow, window placement conscious of air inlets and outlets is effective.

How should storage be planned in a compact house?

To effectively utilize a limited floor area, utilizing spaces under stairs, lofts, or attic spaces as storage is important. Rather than supplementing storage capacity later, organizing the required capacity across the entire home and planning it from the design stage makes it easier to realize uncluttered living.

I want to provide a loft. What kinds of utilization methods exist in a compact house?

Lofts can be planned not only as storage space but also as places to enjoy reading or hobbies. Because seasonal goods and infrequently used luggage can be stored together, the charm lies in making living spaces usable more widely. When planning, paying attention to ease of climbing/descending and safety is also important.

Can private spaces for each family member be secured even in a compact house?

While suppressing floor area, moderate private spaces can be secured by devising partitions and furniture placement. Utilizing movable partitions or sliding doors makes it possible to partition or connect spaces as needed. Planning while considering the balance between shared spaces and private rooms is important.

How can a compact house respond to future changes in family structure?

Keeping future changes in view, designing so partitions can be added or removed easily enables flexible response. Providing a multi-purpose room allows you to change uses according to the lifestyle of the moment, such as a child's room, study, or guest room. Retaining adaptability is the key to living comfortably for a long time.

What kind of ingenuity is there when securing parking space in a compact house?

Depending on site conditions, methods exist such as making part of the building a pilotis form for parking or providing a built-in garage. On limited sites, usability can be enhanced by planning including traffic flow to the entryway. Examining with the designer while checking legal regulations and site conditions is important.

Is it easy to secure insulation and airtightness performance in a compact house?

Because compact residences have relatively small exterior skin areas, they tend to make it easier to enhance insulation and airtightness performance. However, when window proportions are large, the performance of sashes and glass heavily influences comfort. Elevating the performance of the building as a whole in a well-balanced manner realizes energy-saving and comfortable homes.

Are there key points for selecting furniture suited to a compact house?

Choosing furniture of sizes matching the space is important. Composing around low-backed furniture allows sightlines to pass through, making indoor spaces feel wider easily. Incorporating extendable or foldable furniture allows flexible selective use according to purpose.

In the exterior design of a compact house, are there devices that prevent it from feeling narrow?

Exteriors can be made to look clean by configuring them simply with suppressed irregularities. Additionally, by creating rhythm through window placement and material switching, rich expressions can be produced even in small buildings. Designs with suppressed color counts also lead to refined impressions.

How can stairs in a compact house be devised so they do not take up floor area?

In compact residences, methods exist such as integrating stairs themselves with storage, or adopting box-type stairs or space-saving stairs. However, to avoid usability being sacrificed in favor of floor area, thoroughly examining safety and ease of climbing/descending is important.

Can a space to entertain guests be created even in a compact house?

Planning living and dining areas as one, and making spaces usable widely as needed, makes it easier to respond during guest visits. Methods utilizing raised platform tatami corners or lofts as multi-purpose spaces also exist. Planning assuming both daily life and guest visits leads to comfortable homes.

How should construction costs for compact houses be thought of compared to general residences?

While total construction cost is easily kept down because total floor area is small, adopting narrow-site construction or three-dimensional spatial configurations can sometimes make the cost per tsubo higher. Rather than judging by floor area alone, comprehensively comparing and examining including structure, equipment, and design details is important.

Compact House