Two Sails Casa by Yukihiro Nakagawa is a highly esteemed winner of the very prestigious 2026 A' Design Award de Ferro in Design de Arquitetura, Edifícios e Estruturas Competition Category.

FerroArquitetura· 2026

Two Sails Casa

by Yukihiro Nakagawa

Client: MASTER CRAFT Co.Ltd

A' Design Award de Ferro Winner in Arquitetura Category

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Verified Award Winner

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The Design

About Two Sails Casa

Two Sails é uma casa à beira-mar projetada para uma família de duas gerações. O edifício de madeira de dois pavimentos está situado em Okayama, no Japão, com área construída de 250 metros quadrados em um terreno de 800 metros quadrados. A forma da cobertura remete à vela de um barco e ajuda a conduzir a luz natural e a brisa marinha para o interior. Os espaços de convivência são divididos em zonas norte e sul, de modo que cada geração preserva sua própria privacidade. Um corredor coberto conecta as duas zonas e permite a circulação mesmo em dias de chuva. As paredes externas são revestidas com um metal durável, resistente à corrosão provocada pelo ar marinho.

The Recognition

About the A' Design Award de Ferro

Two Sails Casa conquistou o A' Design Award de Ferro, um reconhecimento prestigiado atribuído a bons designs que cumprem os requisitos profissionais e industriais esperados de criações bem concebidas. Os vencedores do Ferro demonstram grande habilidade, elevada especialização, compreensão especializada e capacidade criativa dos seus criadores. Espera-se que Two Sails Casa seja uma criação muito considerada, admirada e estimada, prática e inovadora. Este design vencedor do A' Design Award de Ferro integra as melhores práticas do setor e tem características técnicas competentes associadas a conhecimento especializado e talento. Pela sua minúcia, Two Sails Casa merece respeito e destina-se a proporcionar melhorias na qualidade de vida que ajudam a tornar o mundo num lugar melhor.

Behind the Design

Press Kit

Credits, team members and technical details provided by the designer.

Unique Properties: This project is a seaside residence designed for a two generation family accommodating both parents and children.The design takes advantage of the coastal location to introduce natural light and sea breezes creating an open and comfortable living environment.Careful attention is given to zoning and circulation to respect the daily rhythms and privacy of each generation while also allowing for shared family experiences.
Dimensions & Packaging: Land area 800 square meters
Building area 250 square meters
Tags: House, Architects, Building, Japan, Sail
Production Technology: Two story wooden building
Design Challenge: The exterior walls are clad in durable metal materials that withstand the corrosive effects of sea breezes ensuring that the building maintains its striking appearance even in harsh coastal conditions.
Research: The residence is designed so that a two generation family can live with a comfortable sense of distance with the living spaces divided into northern and southern zones. A roofed corridor is provided to ensure seamless circulation between the areas allowing movement even on rainy days.
Inspiration: This house located near the sea is a two family residence characterized by a roof form reminiscent of a ship sail.The sail like roof gently captures the sea breeze and soft natural light creating a comfortable living environment throughout the home.The design allows the two households to respect each lifestyle while remaining gently connected creating a living environment that harmonizes with the surrounding natural landscape.
Project Duration: Built in Okayama, Japan in 2025
Operation Flow: It is designed to symbolize two vessels sailing side by side representing the hope that the family can live together harmoniously for generations.
Image Credits: Photographer Senichiro Nogami