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Double-Convex Retreat Constructed with Reclaimed Timber and Photovoltaics Integrating Nature's Canopy

Double-Convex Retreat Constructed with Reclaimed Timber and Photovoltaics Integrating Nature's Canopy
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Constructed with double-convex forms and reclaimed timber, this retreat seamlessly integrates photovoltaic energy solutions and natural ventilation into a tranquil space for couples immersed in the surrounding Umbra Forest.
5 key facts about this project
01
Constructed with double-convex geometry to enhance structural stability.
02
Utilizes reclaimed timber for ecological sustainability and local material sourcing.
03
Integrates photovoltaic panels for energy self-sufficiency and minimal environmental impact.
04
Features large glazing to create open views while connecting indoor and outdoor spaces.
05
Includes rooftop access for direct engagement with the forest canopy.

### Project Overview

"The Fireflies Are Back" is located in the Umbra Forest of Gargano, Italy, and has been recognized with the Unbuilt Award 2024 in the Small Wonders category. The design focuses on creating a harmonious relationship between human habitation and the natural environment. Emphasizing sustainability and ecological integration, the project seeks to enhance the user experience while minimizing its impact on the surrounding landscape.

### Conceptual Approach to Nature

This design articulates a novel perspective on experiencing nature, conceptualized as a "space-time metaphor." The architecture facilitates interaction with the natural topography, fostering a symbiotic relationship between its inhabitants and the environment. Intended as a retreat for couples, the structure comprises living spaces while also providing facilities for essential activities, including a charging station for personal devices, thus merging modern utility with ecological awareness.

### Architectural Features and Sustainability

#### Aesthetic and Structural Design

The building is characterized by a double-convex form that reflects organic shapes found in nature, enhancing its fluidity and stability. Positioned large windows optimize natural light and connect indoor living spaces with forest views. The design incorporates a rooftop access hatch, allowing users to engage directly with the forest canopy. The spatial organization includes three distinct levels, each serving functional purposes: the ground level accommodates water harvesting systems, the first level connects occupants with their surroundings through open living areas, and the upper level provides private sleeping quarters with extensive glazing for ambient light and views.

#### Eco-Friendly Materials and Energy Systems

Sustainability is prioritized through the use of various innovative materials. The structure is equipped with photovoltaic panels that generate energy for domestic needs, including heating water. Double-layered wooden planks enhance thermal insulation and structural integrity, while sustainably sourced timber frames support the overall design. Natural ventilation is facilitated by an open layout, promoting airflow and improving indoor climate without excessive reliance on mechanical cooling.

The project also incorporates living walls that encourage local biodiversity and reflects cultural values through its material choices and design aesthetics. Collectively, these design elements create a habitat that respects and integrates with its ecosystem, enhancing the quality of life for its users.

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Kingspan MICROHOME 2026: Building Less to Create More

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Competition organisers

The Kingspan MICROHOME 2026 competition invites architects and designers worldwide to rethink small-scale living by creating an off-grid, modular micro dwelling under 25 m². Now in its 11th edition, the contest emphasizes sustainable, innovative, and human-centered design that demonstrates how compact living can have a big impact.

With a €100,000 prize fund, entries will be evaluated for originality, efficiency, and their response to contemporary environmental and social challenges. The competition is open to everyone, with submissions allowed individually or in teams of up to four. Registration closes on 30 September 2026, and winners will be announced on 15 December 2026.

By celebrating creativity within strict limits, MICROHOME 2026 continues to push the boundaries of compact architecture and sustainable living.

MICROHOME 2026

Design a new concept of small-scale home and share a prize fund of 100,000€

100,000 € Prize Fund / Kingpsan Edition #11 ideas COMPETITION
Prize 100,000 €
Eligibility Open to all
Final registration deadline 30 September 2026

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