[Custom-Built Homes] Performance vs. Design: Why Approximately 75% Chose "Performance" and Their Image of "High-Performance Homes"

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A survey on custom-built homes reveals that nearly 75% of buyers prioritize performance, such as insulation and earthquake resistance, over design and layout. Price remains the most important factor overall, with many respondents citing Japan's frequent earthquakes as a key reason for focusing on structural integrity. While high-performance homes are associated with comfort and energy savings, there are widespread concerns about their high cost and a lack of clear definition of what "high-performance" truly means.