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Rammed Earth and Tabique Structure Embracing Light and Shadows in Rural Portugal

Author:
Ana Lacerda
Rammed Earth and Tabique Structure Embracing Light and Shadows in Rural Portugal

Project in-detail

Constructed with rammed earth and tabique, the house artfully integrates shadows and sunlight to create a harmonious living space in the Portuguese countryside.
5 key facts about this project
01
Constructed with local rammed earth and adobe for energy efficiency.
02
Utilizes tabique technique, combining earth, wood, and straw for sustainable walls.
03
Incorporates bamboo shutters to control light and enhance comfort.
04
Features a central skylight that draws daylight into the living areas.
05
Optimally oriented to maximize natural light throughout the day.

The Linear Shadows House is located in the countryside of Portugal, close to a vineyard in Douro. The design aims to blend with its rural environment while providing a sustainable living space. The concept focuses on the use of natural light and shadows, creating a connection between the interior and the outdoor landscape.

Spatial Organization

The layout of the Linear Shadows House is clearly defined into private and public areas. The private sections, which include the bedroom and bathroom, are on one side of the house, offering privacy and comfort. The public areas, such as the kitchen and living room, are situated on the opposite side. This arrangement allows for a functional separation of spaces while supporting various daily activities.

Natural Light Utilization

Natural light is a key element in the house's design. The positioning of windows and openings is intentional, ensuring that the bedroom and bathroom receive morning sunlight from the east. As the day progresses, the living spaces are filled with light, particularly through the south-facing windows. This design choice reduces the need for artificial lighting and supports energy efficiency.

Material Selection

The materials used in the house are chosen with sustainability in mind, prioritizing local sources. The exterior walls are made of rammed earth and adobe, which provide good thermal insulation. Inside, the walls employ the tabique technique, mixing earth, wood, straw, and bamboo. This technique reflects traditional building methods while also offering a modern look.

Design Features

The Linear Shadows House includes several distinctive design features that enhance both function and appearance. Bamboo shutters allow residents to adjust light levels, making the space comfortable throughout the day. A central sculptural skylight serves as a focal point, drawing daylight further into the home. These elements work together to create a living environment that stays in tune with the natural 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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