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

Authors:
Maurizio Angelillis, Massimiliano Ciccotti
Double-Convex Retreat Constructed with Reclaimed Timber and Photovoltaics Integrating Nature's Canopy

Project in-detail

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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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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