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Polyhex Sanctuary With Treated Wood Cladding and Efficient Waste Management

Author:
Kateryna Cherednyk
Polyhex Sanctuary With Treated Wood Cladding and Efficient Waste Management

Project in-detail

The polyhex structure, crafted with treated wood cladding and designed for modular assembly, provides climbers at the Khumbu glacier with a sustainable and user-friendly toilet facility.
5 key facts about this project
01
Polyhex shape reflects local glacier formations.
02
Modular assembly enables quick setup and removal.
03
Solar panels provide off-grid energy for services.
04
Waste management system includes an autonomous tank.
05
Treated wood cladding creates a warm interior atmosphere.

The Everest Base Camp Toilet is a thoughtful response to the specific challenges of sanitation in high-altitude areas. Located at the base of the Khumbu glacier in Nepal, the facility is designed for climbers who pass through the region. The design concept draws inspiration from local natural features, particularly its polyhex shape reminiscent of a snowflake. This choice connects the building to its environment, blending functionality with an element of beauty.

Design and Construction

This structure focuses on being easy to assemble and disassemble, which is crucial in harsh mountain conditions. A metal frame supports the facility, reinforced with cables for added stability. This careful construction allows the toilet to withstand the area's constant movement. The facility will only be in operation for a limited time each year, and helicopter transport will be used to deliver and remove all prefabricated components.

Functional Layout

The layout includes specific areas for toilet facilities and maintenance, ensuring that climbers have a comfortable experience. Each part of the design reflects a deep consideration for usability in such a challenging environment. Users will find essential features designed for accessibility and convenience, meeting the varying needs of different climbers.

Sustainable Technology

Solar panels provide energy for heating water, lighting the space, and optional floor heating. This sustainable approach reduces the environmental impact of the facility, while still offering necessary services. These energy-efficient features showcase how modern technology can align with the natural surroundings, balancing use with respect for the environment.

Waste Management

To address waste disposal, the design includes a cassette bio toilet with an autonomous receiving tank. This system is easy to transport and drain, making it suitable for the remote location. Plans for waste management involve removal for further processing, such as turning waste into biofuels or fertilizers, promoting a circular method of resource use.

The interior design features treated wood cladding, creating a warm and inviting atmosphere that contrasts with the cold, rugged environment outside. This design choice enhances user experience, encouraging a feeling of comfort. Large transparent doors allow occupants to enjoy stunning views of the surrounding landscape while maintaining privacy, ensuring that the facility is not only practical but also aesthetically pleasing.

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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

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