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Press Release

House 4021 Architectural

A' Design Award 2025 Iron Winner in Architecture, Building and Structure Design

23 April 2025

House 4021 Architectural by Shanghai Canwei Construction Co., Ltd.
House 4021 Architectural by Shanghai Canwei Construction Co., Ltd.
House 4021 Architectural by Shanghai Canwei Construction Co., Ltd.
House 4021 Architectural by Shanghai Canwei Construction Co., Ltd.
House 4021 Architectural by Shanghai Canwei Construction Co., Ltd.

Shanghai Canwei Construction Co., Ltd. · CLIENT: Shanghai Canwei Construction Co., Ltd.

House 4021 is a vacation accommodation building located in Danzhou, Hainan, China, set between mountains and the sea. The building uses staggered terraced volumes that recall rolling waves and mountain contours. The overhangs shade the glass curtain walls below during periods of intense sun. The facade is made of treated aluminum panels patterned after waves and sand, giving weather resistance in the seaside climate. The rooftop holds an ecological garden and an infinity pool with indigenous plants. The total area is 2583.04 square meters.

Press Kit

Unique Properties
The house is situated in Danzhou City, Hainan, China, surrounded by mountain and sea. The rooftop area includes an ecological garden and an infinity pool, enhancing the relaxing experience with indigenous plants. Adhering to a minimalist approach, the house is composed of natural materials and open spaces to foster harmony between the structure and its coastal surroundings.
Dimensions & Packaging
2583.04 square meters
Tags
Architecture, Vacation, Homestay, Independent, Modernism
Production Technology
The facade features aluminum panels adorned with a pattern that emulates the natural textures of waves and sand, allowing it to seamlessly integrate with the coastal landscape. When illuminated by sunlight, the surface texture of the aluminum panels shifts, rendering an array of visual effects. These specially treated panels exhibit exceptional weather resistance, ensuring durability against the challenging seaside climate.
Design Challenge
To maximize the integration of landscape enhancement with thermal performance optimization, the team employed parametric trajectories to create a series of terraced setback blocks. This design allows the overhangs on each level to provide adequate shading for the lower glass curtain wall during the period of intense sun exposure, facilitating a good passive shading effect and ensuring that the guest rooms on each floor can fully access to the landscape.
Project Duration
Situated in Danzhou, Hainan, the design work commenced in Shanghai in February 2021 and reached completion in May of the same year.
Operation Flow
The rooftop swimming pool and outdoor recreation area on the third floor are accessible via a dedicated elevator, ensuring complete separation from the guest accommodations. Additionally, the left side of the fourth floor is a closed garden, which serves as an ecological barrier through the use of hanging plants.
Research
To harmonize the structure with the natural landscape of mountains and sea, the staggered design reflects the rolling waves and the mountain contours, reconciling with the surrounding environment. The incorporation of locally suitable vegetation around the building creates a landscape zone that complements the architectural style, enhancing the building's integration with nature and forming a cohesive entity.
Inspiration
The team aims to reimagine the regional vacation experience in line with the architectural principles. By employing a staggered terraced massing, the project seeks to mitigate the imposing scale of the structure along the coastline, and expects the building to look unaffected, just like a plant growing from the coastline. This approach ensures the provision of modern vacation comforts and preserves the inherent beauty of the mountains and ocean.
Image Credits
Shanghai Canwei Construction Co., Ltd.
Patents
Shanghai Canwei Construction Co., Ltd.

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