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Grass-Covered Roofs and Pool Access Rooms in a Thermal Spa Guest House

Authors:
Jane Lee, Eunhye Kim, Jingyu Maeng
Grass-Covered Roofs and Pool Access Rooms in a Thermal Spa Guest House

Project in-detail

With a distinctive grass-covered roof and direct access to thermal springs through oblique windows, the design offers guests an immersive experience in the Icelandic landscape while serving as a modern spa guest house.
5 key facts about this project
01
Grass-covered roof enhances insulation while blending with the natural landscape.
02
Oblique windows offer both privacy and panoramic views of the surroundings.
03
Rooms designed as "pool access rooms" allow immediate entry to thermal springs.
04
Curved roof shape mimics traditional long house forms while serving modern needs.
05
Flowing water from the hot springs is integrated into the exterior design.

The design project focuses on reinterpreting the traditional Icelandic long house, positioned within the distinct landscape of Iceland. This spa guest house reflects the essence of Icelandic vernacular architecture while serving modern needs. The overall concept highlights the importance of community living and interaction with the natural environment, honoring Iceland's rich cultural background through contemporary design.

Historical Influences

The project draws inspiration from Iceland's turf houses, known for their grass-covered roofs that provide insulation against the challenging climate. By referencing these historical forms, the design captures the spirit of the Norwegian long house, emphasizing efficient use of space and communal living. This approach bridges the gap between traditional practices and the requirements of modern residential life.

Spatial Organization

The structure features a long, narrow shape that resembles a ship, integrating with the surrounding landscape. Visitors enter through a vertical entrance that leads to a lobby and front desk area, creating an inviting atmosphere. This layout fosters interaction and encourages visitors to engage with their surroundings from the moment they arrive.

Integration with Nature

Strategically placed windows throughout the building offer unbroken views of the beautiful Icelandic landscape. Each room, designed as a "pool access room," allows for direct connection to the thermal springs through angled windows and balconies. This design choice allows guests to experience the calming benefits of the hot springs while enjoying the scenery outside.

Architectural Features

The exterior of the building uses traditional grass characteristics, incorporating a ship-like design that flows with water from the hot springs along its sides. This innovative integration reshapes thermal architecture while maintaining a connection to the site's geographic features. The roof is curved and spiraled, covered with grass to enhance insulation and energy efficiency while blending into the natural surroundings.

The overall design results in wide windows that bring the outdoor landscape inside, creating a visual link between the interior space and the stunning Icelandic environment. This feature highlights the beauty of nature and strengthens the connection between people and their surroundings.

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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
competition now

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