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Algal Community Units Floating in Berlin Waterways

Authors:
Agata Kocirova, Manuel Sacramento, Liv Augsburg, Hampus Jonason bjärenstam
Algal Community Units Floating in Berlin Waterways

Project in-detail

Floating units crafted for algae cultivation and water purification create a sustainable community in the waterways of Berlin, addressing both housing needs and environmental cleanup.
5 key facts about this project
01
Floating units are designed to respond dynamically to varying water levels.
02
Algae pools serve as both a communal feature and a natural water purification system.
03
The project promotes co-living through shared spaces to enhance community interaction.
04
Financial strategies leverage federal waterways for reduced housing costs.
05
The design allows for modular arrangements that adapt to the specific shapes of the waterways.

Alga is located in the waterways of Berlin and aims to tackle the issues of affordable housing and pollution. The project combines communal living with ecological restoration, creating a floating community that adapts to its surroundings. It seeks to transform polluted waterways into usable spaces, fostering connections among residents and contributing to the improvement of local environments.

Floating Housing Design

The design focuses on floating housing units that can move, adapt, and change. These units are built to navigate the canals and rivers of Berlin. This mobility responds to the fluidity of water, creating a living environment that interacts with nature. Each unit is designed to fit well within the local setting, encouraging a close relationship with the water.

Affordable Community Structure

Alga addresses affordability by using non-privately owned federal waterways, which could also qualify for environmental funding. This financial aspect allows for a lower cost of living. The community encourages shared spaces that help reduce individual housing sizes while promoting social interaction. By emphasizing a lifestyle based on shared values and respect for the environment, the design creates a sense of community among its residents.

Ecological Integration

A key feature of Alga is the cultivation of algae in specific water pools. This algae acts as the "heart of the community," helping to clean the polluted water. It thrives on nutrients present in the water, turning waste into useful products like biofuel and organic fertilizer. This relationship highlights the project’s commitment to sustainability and environmental improvement.

Dynamic Arrangements

The layout includes varied arrangements of housing units, forming constellations that respond to the shapes and sizes of the waterways. This setup promotes different kinds of community interactions and creates distinctive atmospheres, allowing each cluster to develop its character. The connections among the units strengthen social ties while supporting the project's ecological goals.

Overall, Alga features a modular design where each unit serves specific community and ecological purposes. The combination of private areas and communal spaces encourages social connections while promoting sustainable living. The project's layout and function reflect a practical approach to coexistence with nature in the urban setting.

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MICROHOME 10: Celebrating Small-Scale Living with €100,000 Prize Fund and Kingspan’s Innovation

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Competition organisers

The MICROHOME 10 competition invites participants to submit visionary designs for off-grid, modular microhomes that push the limits of sustainable, small-scale living. Organised by Buildner in partnership with Kingspan and Hapi Homes, this tenth edition sets the challenge of designing a dwelling for two people within a maximum floor area of 25 m², encouraging bold solutions adaptable to any urban or rural location. The competition continues Buildner’s mission to foster innovative approaches to compact, energy-efficient housing that can address pressing global challenges.

This year’s edition offers a generous total prize fund of €100,000, including the Kingspan Award for designs that integrate high-performance Kingspan products and the Hapi Homes Award for a project selected for real-world construction. In addition to cash prizes, the winners gain international exposure through Buildner’s media partnerships, publications, and a dedicated MICROHOME magazine, further amplifying their ideas to the wider architectural community.

Key dates for MICROHOME 10 include the closing date for registration on 25 September 2025, the submission deadline on 29 October 2025 (11:59 p.m. London time), and the announcement of winners on 9 December 2025. These milestones ensure participants have clear timelines to develop and present their concepts, with early registration discounts available to support students and emerging designers worldwide.

MICROHOME

Design a new small-scale home concept in the 10th edition of MICROHOME — 100,000 € prize + construction

100,000 € Prize Fund / Kingpsan Edition #10 ideas COMPETITION
Prize 100,000 € + Potential realisation
Eligibility Open to all
Final registration deadline 25 September 2025

Enter an open architecture
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