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Exploring Heartwood Pine in a Compact Micro-Home Solution

Authors:
Mathilde Slot, Tuva Sveindal
Exploring Heartwood Pine in a Compact Micro-Home Solution

Project in-detail

Constructed from heartwood pine, this compact micro-home utilizes modular stacking techniques and passive energy strategies to create a versatile living space suited for a northern climate.
5 key facts about this project
01
Constructed entirely from heartwood pine to enhance durability and reduce maintenance.
02
Modular stacking system allows for efficient assembly and disassembly.
03
Utilizes passive solar heating through strategically placed south-facing glass doors.
04
High ceilings and large windows create a feeling of spaciousness in a compact footprint.
05
Rainwater collection integrated into the roof design for sustainable water management.

Log House is a micro-home designed to address the challenges of resource use and environmental impact in construction. Located in a northern climate, it emphasizes a functional design that minimizes carbon emissions during its entire lifecycle. The project aims to redefine modern living by integrating energy efficiency and adaptability with traditional building practices.

Building Concept and Design Strategies

The design of Log House draws inspiration from historical building techniques, focusing on creating a structure that relies on locally sourced materials. It aims to meet energy needs through passive strategies. Sunlight is captured in the winter through south-facing glass doors that allow warmth to enter. The layout supports various functions, making it easy for different activities to take place within the same space.

Material Selection and Sustainability

Heartwood from pine is the primary material used in this building. It is chosen for its sustainable characteristics and natural resistance to moisture and pests. This material allows Log House to remain untreated, which lessens maintenance needs over the years. By choosing a single material, the design emphasizes efficiency and sustainability, reducing the overall environmental impact during construction and use.

Structural Innovations

The structure utilizes a modular approach supported by posts that are drilled into the ground. Logs are stacked within prefabricated tracks, which makes assembly straightforward. This method allows for quick construction and supports easy relocation to remote environments. At the end of its life, Log House can be disassembled and reused, aligning with the principles of sustainability and resource management.

Interior Flexibility and Functionality

Inside, Log House is designed for flexibility. The space can be used for multiple purposes, such as dining, working, or exercising. High ceilings and large windows create a feeling of openness, which counters the compact nature of the home. Natural ventilation through skylights helps maintain comfortable indoor temperatures without relying heavily on mechanical systems.

Log House represents a thoughtful approach to living that balances simplicity and sustainability. The focus on energy-efficient strategies and a careful choice of materials demonstrates a commitment to environmental responsibility in modern housing.

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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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