Architectural Cases

European Cities Implement Stricter Regulations on Short-Term Rentals to Address Housing Crisis

Across Europe, prominent urban centers are confronting escalating challenges in housing accessibility, compelling authorities to reevaluate the position of temporary accommodation within residential zones. This has led to a widespread discussion about the impact of tourism on local housing markets and the need for interventions to ensure that residents can afford to live in their cities. The debate is shifting from a purely economic perspective to one that prioritizes social rights and urban stability, highlighting the complexities of managing tourist influx while preserving local communities. These regulatory changes represent a significant policy shift, reflecting a growing recognition that unchecked short-term rental growth can exacerbate housing crises and displace long-term residents, ultimately undermining the social fabric of urban environments. As a result, cities are seeking innovative solutions to balance the economic benefits of tourism with the fundamental right to affordable housing.

The current legislative landscape in European cities reflects a concerted effort to curb the expansion of short-term rental markets and mitigate their adverse effects on housing availability and affordability. Policy adjustments are being implemented at local and national levels, with a focus on enforcing existing regulations, introducing new restrictions, and providing incentives for alternative housing solutions. These measures aim to create a more equitable housing market, ensuring that residents are not priced out of their neighborhoods by the demands of a booming tourism industry. The ongoing adjustments underscore the dynamic nature of urban governance in addressing complex issues that intertwine economic development, social equity, and environmental sustainability.

Barcelona Leads European Charge Against Short-Term Rentals

In response to severe housing affordability issues, major European tourist cities are increasingly imposing strict regulations on short-term rentals. Barcelona, in a significant move, has declared its intention to completely phase out tourist short-term rentals by 2028, viewing this as essential for safeguarding its residents' right to housing. This decision follows a substantial €64 million fine levied against Airbnb by the Spanish authorities for listing properties without proper licenses. The city's mayor frames this issue as a critical social inequality, advocating for a coordinated European Union response. Alongside the planned rental phase-out, Barcelona has implemented rent caps for long-term leases, which have reportedly led to a decrease in rental prices, demonstrating a strong commitment to prioritizing social rights over market-driven economic growth in housing policy.

Barcelona's municipal government has taken a firm stance on housing, considering it a fundamental social right rather than merely an economic commodity. Mayor Jaume Collboni emphasizes that market activities driven by tourism should not compromise the ability of residents to live in their own neighborhoods. He calls for a unified approach across the European Union, highlighting that housing affordability is a shared challenge that transcends local administrative boundaries. The city's strategy includes not only the proposed elimination of short-term tourist accommodations by 2028 but also the introduction of rent controls on long-term residential leases. These measures have already shown a positive impact, with reports indicating a reduction in rental costs. Officials characterize these interventions as an extraordinary response to an extraordinary situation, asserting that conventional market mechanisms are insufficient to tackle the housing pressure exacerbated by tourism demand. This progressive approach positions housing policy at the core of urban governance, shifting the narrative from economic growth to social equity and access.

Pan-European Regulatory Trends and Policy Innovations

Spain's actions are part of a broader European trend where short-term rentals are being rigorously examined through the lens of housing accessibility and residential continuity. Greece, for example, has enacted new legislation that positions housing policy as a crucial tool for rebalancing residential markets heavily influenced by tourism. Existing limitations on short-term leasing have been extended from Athens to Thessaloniki, and properties transferred to new owners are automatically removed from the short-term accommodation registry, thereby restricting their use for tourism. This framework integrates restrictions with incentives aimed at increasing the supply of affordable long-term housing. Similarly, Lisbon's City Council recently amended its Municipal Regulation on Local Accommodation, adjusting the proportion of permitted short-term rental units in designated areas. These revised rules reduce the allowable share of tourist accommodations in high-pressure zones and establish a citywide threshold for stricter controls when short-term rentals reach a certain proportion of the housing stock. These policy changes represent an attempt to strike a balance between residential availability and economic activity, allowing for limited short-term rentals while preventing excessive concentration in vulnerable neighborhoods.

Across Europe, the debate surrounding housing affordability and the regulation of short-term rentals is gaining momentum, indicating a significant shift in urban policy. Greece's newly implemented regulations exemplify this trend, framing housing policy as an essential instrument to stabilize residential markets under the strain of tourism. The extension of short-term leasing restrictions to Thessaloniki, alongside Athens, and the automatic removal of newly acquired properties from the short-term accommodation registry, demonstrate a proactive effort to limit the proliferation of tourist rentals. This comprehensive approach not only imposes restrictions but also offers incentives to foster the development of affordable long-term housing. In a similar vein, Lisbon's City Council has revised its Municipal Regulation on Local Accommodation, adjusting the permissible percentage of short-term rental units within specific containment areas. These updated rules are designed to curtail the growth of tourist accommodations in highly impacted neighborhoods and introduce a citywide trigger for more stringent controls once the proportion of short-term rentals surpasses a defined threshold. These measures are presented by municipal leaders as a strategic effort to harmonize residential availability with economic activity, permitting a regulated presence of short-term rentals while preventing their overconcentration in sensitive urban zones. This pan-European movement highlights a collective recognition among city governments of the urgent need to address the housing crisis by recalibrating the balance between tourism's economic benefits and the housing rights of local populations.

The Preserve I Home: A Sustainable Multi-Generational Dwelling by Studio Schicketanz

Studio Schicketanz has unveiled 'The Preserve I Home,' a thoughtful and environmentally conscious multi-generational dwelling designed for the studio's founder, Mary Ann Schicketanz, and her son's family. Located adjacent to the picturesque Los Padres National Forest, this architectural compound comprises a main residence for the family of four and an Accessory Dwelling Unit (ADU) for Mary Ann. The project stands as a testament to sustainable living, combining affordability, energy efficiency, and a minimal impact on the natural landscape through innovative prefabricated construction methods.

Harmonious Living: Integrating Design, Sustainability, and Family in Nature's Embrace

The Vision Behind The Preserve I Home: A Multi-Generational Sanctuary

The genesis of 'The Preserve I Home' was rooted in a desire to create a unique living arrangement that caters to multiple generations while upholding principles of sustainability and environmental stewardship. Studio founder Mary Ann Schicketanz collaborated with her son and his family to envision a compound that offers both communal spaces and individual privacy. This design philosophy aimed to foster close family ties within a shared natural environment, establishing a precedent for modern multi-generational living that respects and integrates with its surroundings.

Innovative Construction for a Light Footprint: Partnering with Method Homes

A cornerstone of the project's success lies in its commitment to sustainable and efficient construction. The team strategically partnered with Method Homes, renowned for their expertise in manufactured housing. This collaboration enabled the realization of a highly efficient, precise, and high-quality design. By utilizing prefabricated construction, the project significantly reduced on-site construction time and waste, demonstrating a scalable model for environmentally responsible development. The factory-controlled environment ensured superior craftsmanship and meticulous attention to detail, translating into homes that are not only beautiful but also robust and energy-conserving.

Embracing Affordability and Energy Efficiency: A Model for Sustainable Living

Central to the design brief were the dual objectives of affordability and energy efficiency. The homes at 'The Preserve I' were conceived to "sit lightly on the land," minimizing their ecological footprint through thoughtful material selection and advanced building techniques. The emphasis on prefabricated modules allowed for cost-effective construction without compromising on quality or aesthetic appeal. Furthermore, the design incorporates features that enhance energy performance, such as optimized insulation, efficient systems, and strategic site orientation, contributing to lower operational costs and a reduced carbon impact. This approach showcases how sustainable architecture can be both accessible and high-performing.

Seamless Integration with Nature: Design in Harmony with Los Padres National Forest

The location of 'The Preserve I Home' adjacent to the Los Padres National Forest presented a unique opportunity to create a dwelling that is deeply connected to its natural environment. The architectural design deliberately blurs the lines between indoor and outdoor spaces, inviting residents to engage with the surrounding landscape. Large windows and strategically placed openings frame panoramic views, while natural materials such as wood are used to resonate with the forest's aesthetic. This thoughtful integration ensures that the homes not only coexist with nature but also enhance the living experience by offering a serene and inspiring setting.

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Buildner Reveals Winners of the Inaugural 'Re-Form: New Life for Old Spaces' Architectural Competition

Buildner's first annual 'Re-Form: New Life for Old Spaces' competition has concluded, celebrating groundbreaking designs that redefine existing structures. This international event invited architects and designers to reimagine small-scale buildings, typically around 250 square meters, located anywhere in the world. The core objective was to champion sustainable alternatives to demolition, focusing on reuse strategies that integrate contemporary social and environmental considerations. The competition encouraged innovative thinking across various scales and contexts, from precise urban insertions to imaginative rural transformations, all united by a commitment to resourcefulness and community benefit.

Detailed Project Insights

On December 22, 2025, Buildner proudly announced the recipients of its inaugural 'Re-Form: New Life for Old Spaces' competition. The judging panel meticulously reviewed a diverse array of international entries, ultimately selecting three primary winners, several special award recipients, and honorable mentions. The projects that stood out most distinctly transcended conventional preservation approaches, proposing novel hybrid or shared-use typologies and exhibiting remarkable clarity and restraint in addressing environmental performance. Collectively, these winning works powerfully illustrate how small-scale adaptive reuse can act as a catalyst for extensive urban and social metamorphosis, highlighting the enduring importance of existing buildings in an era of escalating environmental concerns.

The First Prize was awarded to Parisima Davoudi of Raah Studio (United Kingdom) for 'Edge of Presence.' This project envisions a profound spatial intervention within a desolate brick kiln landscape. It integrates a subterranean shelter, a transitional zone of medicinal plants, and a linear market, transforming a marginalized area into a topography of renewal, emphasizing concealment, memory, and regeneration. Using elemental materials like sun-dried brick and reclaimed stone, the design makes a powerful statement about land, identity, and quiet resilience.

The Second Prize and Buildner Student Award went to Lee Hyunwoo and Lee Hyeonbok from Myongji University (South Korea) for 'SINKTOPIA.' This proposal re-envisions South Korea's vulnerable semi-basement dwellings (banjiha) as hubs of environmental innovation and social revitalization. By integrating a stormwater collection and purification system, the design converts these spaces into smart farms and micro-marketplaces, reopening sealed facades to create sunken courtyards and fostering climate resilience and urban equality through localized transformation.

Third Prize recipients Damian Świerzbiński and Kamila Jagieniak from the University of Fine Arts in Poznań (Poland) were recognized for 'It Started with Grain.' This project reimagines a derelict grain silo in Poland as a vertical public pavilion. It functions as both a historical archive and cultural commentary, guiding visitors through layers of meaning from botanical growth metaphors to immersive installations. The design reactivates the surrounding site with landscape elements and educational programs, embedding the proposal within Poland's socio-political past and ecological future.

The Buildner Sustainability Prize was awarded to Hwanseo Lee, Kuenwoo Park, and Hyeonjin Cho from Politecnico di Milano (Italy) for 'Phototropism Chimney.' This design transforms a disused warehouse in Lagonegro into a hybrid living and co-working space. Inspired by phototropism, the design optimizes light and energy flow through a central chimney, maximizing daylight, passive heating/cooling, and the reuse of embodied resources while respecting the building's historical integrity.

Several other submissions were highlighted for their innovative approaches: Jun-Kai Tseng (Taiwan) with 'Earthen Sanheyuan Regeneration,' transforming a traditional U-shaped courtyard house using recycled local materials; Chang Suo and Di Meng (United States) with 'Guest Station,' converting an abandoned gas station into a community public space; Yen-Yun Huang and Tzu-Pei Chiang (Pratt Institute, United States) with 'The Path (Taipei Theater),' reinterpreting an abandoned theater as a site where urban history and ecological processes coexist; and Nataliia Murashova and Mariia Knutova (Belgium) with 'Art Center / Guild Arts,' transforming a historic brick complex into a contemporary center for craft and artistic exchange.

Buildner has also announced the launch of 'Re-Form: New Life for Old Spaces – Edition 2,' continuing its focus on small-scale adaptive reuse and inviting new proposals to further explore the reimagination of overlooked structures for modern purposes.

The 'Re-Form' competition illuminates a vital path forward for architecture and urban development. By showcasing projects that breathe new life into forgotten structures, it underscores the profound importance of adaptive reuse in fostering environmental stewardship, community resilience, and economic vitality. The winning entries serve as powerful reminders that sustainable design is not merely about constructing new buildings, but thoughtfully transforming the old, honoring history while forging innovative futures. This initiative inspires a re-evaluation of our built environment, urging us to see every abandoned space as a canvas for creative, sustainable intervention. It demonstrates that with vision and ingenuity, discarded places can become vibrant centers of activity, proving that true progress often lies in rediscovering and re-forming what already exists.

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