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Floating Cottages with Seaweed Insulation in a Scandinavian Fishing Village

Floating Cottages with Seaweed Insulation in a Scandinavian Fishing Village
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Utilizing seaweed for insulation and incorporating floating design principles, this sustainable development in Henningsvær offers modular cabins that harmonize with the marine environment while serving as a hub for local aquaculture practices.
5 key facts about this project
01
Utilizes seaweed as an innovative insulation material.
02
Features modular cabins designed to adapt to tidal changes.
03
Incorporates cross-laminated timber panels for structural efficiency.
04
Emphasizes local aquaculture practices through dedicated fishing spaces.
05
Designed to harmonize visually and ecologically with the marine environment.

### Overview

Located in Henningsvær within the Lofoten archipelago in Norway, Aale-Græs Hytta addresses the environmental challenges posed by climate change, particularly rising sea levels. The project is conceived as a series of floating structures designed to support aquaculture communities, integrating sustainable living practices with local marine ecosystems. The intention is to foster a relationship between habitation and the natural environment, reflecting both cultural heritage and ecological stewardship.

### Structural and Material Strategy

Aale-Græs Hytta features modular, floating cabins that adjust to tidal changes, inspired by traditional Norwegian fishing huts. The primary materials employed include sustainably sourced wood for the structural framework, glass for natural light and views, and steel for durability against marine conditions. Notably, seaweed is innovatively utilized for insulation and aesthetic appeal, emphasizing local practices. Efforts are made to incorporate recycled materials to minimize the project's ecological footprint.

### Sustainable Practices

The design prioritizes energy efficiency through systems such as heat pumps that leverage temperature differentials of the sea and air, in addition to integrating solar panels for renewable energy generation. Rainwater harvesting systems are implemented to provide potable water, enhancing resource efficiency. Furthermore, designated fishing areas and the cultivation of aquatic plants, including seaweed, are incorporated to sustain local practices and promote marine biodiversity, thus maintaining ecological balance within the region.

### Technical Systems

Technical documentation outlines advanced systems for energy-efficient living in a marine setting. Comprehensive heating solutions combine traditional and modern methods to ensure comfortable living spaces while minimizing energy use. Innovative water systems convert seawater into potable water, demonstrating how technology can support sustainable practices in coastal environments.

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Kingspan MICROHOME 2026: Building Less to Create More

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Competition organisers

The Kingspan MICROHOME 2026 competition invites architects and designers worldwide to rethink small-scale living by creating an off-grid, modular micro dwelling under 25 m². Now in its 11th edition, the contest emphasizes sustainable, innovative, and human-centered design that demonstrates how compact living can have a big impact.

With a €100,000 prize fund, entries will be evaluated for originality, efficiency, and their response to contemporary environmental and social challenges. The competition is open to everyone, with submissions allowed individually or in teams of up to four. Registration closes on 30 September 2026, and winners will be announced on 15 December 2026.

By celebrating creativity within strict limits, MICROHOME 2026 continues to push the boundaries of compact architecture and sustainable living.

MICROHOME 2026

Design a new concept of small-scale home and share a prize fund of 100,000€

100,000 € Prize Fund / Kingpsan Edition #11 ideas COMPETITION
Prize 100,000 €
Eligibility Open to all
Final registration deadline 30 September 2026

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