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Reflective Groin Vaults in Lioz Limestone Overlooking Vineyards

Authors:
Monika Pawlak, Kassandra Sarantis, Marin Roche
Reflective Groin Vaults in Lioz Limestone Overlooking Vineyards

Project in-detail

The use of reflective surfaces and a groin vault ceiling crafted from local lioz limestone creates an immersive space that connects visitors to the surrounding vineyards, ultimately serving as a dedicated wine tasting room.
5 key facts about this project
01
Reflective surfaces integrate the landscape into the tasting space.
02
A groin vault ceiling provides structural stability without the need for insulation.
03
Local lioz limestone is sourced to support regional craftsmanship.
04
The design allows for seasonal changes to influence the visitor experience.
05
Vineyard views are maximized through strategic building orientation.

The design exists within the rich landscape of viticulture, serving not only as a wine tasting room but also as a bridge between visitors and the local scenery. Positioned on a hillside, the building focuses on integrating with its surroundings. The overall concept highlights the relationship between the built environment and nature, aiming to foster a deeper appreciation of the vineyard’s cultural and geographical context.

Building Placement and Integration

Carefully placed down the hillside, the building maintains a low profile, ensuring that it does not obstruct the views of the surrounding vineyards. The design emphasizes blending in with the landscape, enhancing the overall experience for visitors. The wine tasting room is oriented as a passage, establishing a connection between the interior and the fields. This orientation allows guests to engage with the origins of the wine while enjoying the natural beauty around them.

Reflection and Connection

Reflective surfaces play an important role in the design, creating a connection between the outside and inside. Mirrors are strategically incorporated to bring the landscape into the space, enhancing the sensory experience for visitors. As people move from the outdoor plaza into the cool interior, they encounter a visual extension of the vineyard, deepening their appreciation for the natural setting.

Materiality and Sustainability

Materials in the design reflect the local culture and geology. Clay bricks, terracotta tiles, and lioz limestone from Sintra are used, all sourced from local producers. This choice supports the community and reduces environmental impact from transportation. The selection of materials also contributes to the structure's durability, ensuring it remains aligned with the landscape.

Structural Considerations

The building's roof features a groin vault, utilizing the strength of stone for support. This method eliminates the need for insulation, ensuring the structure remains integrated with its environment. The understated aesthetic is complemented by a pergola that extends the interior outward, creating shaded spaces for various activities and enhancing the connection to nature.

As the seasons change, the space evolves, allowing visitors to experience different aspects of the vineyard. The design creates an opportunity for guests to engage with the environment, providing a setting where the wine’s origins are celebrated and appreciated. This connection invites a deeper understanding of the viticulture process, encouraging meaningful interactions with the landscape.

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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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