Get inspired!

17,725 architecture projects

Learn from past Buildner architecture competition participants through our extensive project library, curated over more than 15 years!

Rooftop Gardens with Cross Laminated Timber Housing Along Parisian Boulevards

Authors:
Giulia Simone, Wajiha Dadabhoy, Pippa Farmer, Kate O'neill
Rooftop Gardens with Cross Laminated Timber Housing Along Parisian Boulevards
Explore the full project presentation!
Subscribers only
Cross Laminated Timber structures integrate affordable housing with vibrant rooftop gardens along Parisian boulevards, creating a dynamic urban environment that enhances community interaction.
5 key facts about this project
01
Integrates affordable housing with public amenities along major boulevards.
02
Features rooftop gardens that enhance urban biodiversity and community interaction.
03
Employs Cross Laminated Timber for efficient prefabrication and construction.
04
Design incorporates dedicated pedestrian pathways to improve accessibility.
05
Utilizes mixed-use spaces for flexible living arrangements and community engagement.

A proposal aims to revitalize the boulevards of Paris, transforming these historically important urban spaces into lively, pedestrian-friendly areas. Located in a well-known part of the city, the project focuses on addressing modern urban challenges. It seeks to enhance accessibility and encourage community engagement by integrating affordable housing and public amenities into the existing environment. The design connects deeply with the city’s essence while responding to the needs of its residents.

Affordable Housing Integration

Affordable housing is a central feature, located along major boulevards. This addition revitalizes the streets and creates a more active atmosphere. By positioning residences in the heart of the city, the project draws both local and visiting populations into these areas. Public squares and cafes are part of the layout, providing essential spaces for social interactions that strengthen community bonds.

Sustainable Transportation Solutions

In addition to housing, the design promotes sustainable transportation options. New tram and cycling paths are included to support the existing public transport network. By focusing on pedestrian pathways and reducing reliance on cars, the project creates a healthier urban setting. These transportation methods also improve accessibility, making it easier for people to move around the city.

Dynamic Living Spaces

Each housing unit is carefully designed to be flexible, catering to different lifestyles. These self-contained spaces accommodate varied living arrangements, including multigenerational families and short-term rentals. This adaptability answers present needs for housing by offering residents options that can change as their situations evolve. Light-filled interiors provide a welcoming atmosphere and connect residents with the vibrant streets outside.

Green Infrastructure

Landscaping plays a vital role in this plan. Portions of the boulevards will be converted into green pathways and community gardens to enhance the ecological quality of the area. Rooftop gardens and parks will offer open spaces for residents to enjoy nature and relax outdoors. These green features not only improve the visual appeal of the boulevards but also contribute positively to the urban environment.

The design incorporates Cross Laminated Timber (CLT) for construction, promoting efficient building methods while minimizing disturbances in the busy boulevards. This choice reflects a modern approach to construction and respects the historical context of the site, allowing new buildings to blend with the existing urban landscape effectively.

Noticed a mistake?
Highlight the text and click on
Noticed a mistake

Enter an open architecture
competition now

The Architect’s 
Stair
The Architect’s Stair
Take a step and make a statement! Edition #3
Kinderspace
Kinderspace
Architecture for Children’s Development #3
Buildner's Unbuilt Award 2025
Buildner's Unbuilt Award 2025
100,000€ Prize / 2025
The Home of 
Shadows
The Home of Shadows
The light studies. Edition #4
The Architect's 
Chair
The Architect's Chair
Take a seat and make a statement! Edition #5

The Buildner’s Unbuilt Award 2025: Celebrating Architectural Creativity and Visionary Unbuilt Designs with a Total Prize Fund of €100,000

`
Competition organisers

The Buildner’s Unbuilt Award 2025 is an international architecture competition dedicated to recognizing and celebrating the value of unrealized architectural designs. It invites architects, designers, and students worldwide to submit visionary projects that have not yet been constructed, highlighting the power of ideas and the creativity behind the design process. By focusing on unbuilt work, the competition aims to bring forward concepts that shape the future of architecture and push the boundaries of the profession. 

Participants can compete in three categories based on project scale: Small Wonders (up to 100 m²), Medium Marvels (101–999 m²), and Large Visions (over 1,000 m²). Each category winner will receive €20,000, and additional prizes include honorable mentions, student awards, and a special Best Presentation Award. Winning projects will gain significant international exposure through Buildner’s publicity campaign and a feature article on ArchDaily, providing a unique opportunity to showcase creative ideas to a global audience. 

The Buildner’s Unbuilt Award 2025 encourages entrants to submit any type of unbuilt project, from conceptual visions to detailed designs, celebrating bold innovation without the constraints of realization. Important deadlines: registration closes on October 30, 2025; submissions are due by November 20, 2025; winners will be announced on December 17, 2025.

Buildner's Unbuilt Award 2025

Celebrating your unbuilt architecture visions with a €100,000 prize

100,000€ Prize / 2025 ideas COMPETITION
Prize 100,000 €
Eligibility Open to all
Final registration deadline 30 October 2025

Open architecture competitions

  • Closest deadline first
  • Project competitions first
    Selected winning projects have the potential to be constructed
  • Ideas competitions
    Experimental competitions with the focus on pushing the boundaries of creativity
new
Iceland 
Slow Sauna

Design slow sauna in Iceland

project COMPETITION
Prize Monetary award
Eligibility Open to all
Early bird registration deadline 26 November 2025
Concrete 
Pavilion

Design a concrete pavilion

Edition #3 ideas COMPETITION
Prize Monetary award
Eligibility Open to all
Final registration deadline 27 November 2025
new
Pavilion Atlas 2026

Design a story of your country

ideas COMPETITION
Prize Monetary award
Eligibility Open to all
Early bird registration deadline 21 January 2026

Recurring architecture competitions

new
The Architect’s 
Stair

Take a step and make a statement!

Take a step and make a statement! Edition #3 ideas COMPETITION
Prize Monetary award
Eligibility Open to all
Early bird registration deadline 15 October 2025
Kinderspace

Design a kindergarten of tomorrow

Architecture for Children’s Development #3 ideas COMPETITION
Prize Monetary award
Eligibility Open to all
Advance registration deadline 16 October 2025
Buildner's Unbuilt Award 2025

Celebrating your unbuilt architecture visions with a €100,000 prize

100,000€ Prize / 2025 ideas COMPETITION
Prize 100,000 €
Eligibility Open to all
Final registration deadline 30 October 2025
new
The Home of 
Shadows

Design a home with no artificial lighting

The light studies. Edition #4 ideas COMPETITION
Prize Monetary award
Eligibility OPEN TO ALL
Early bird registration deadline 5 November 2025
The Last 
Nuclear Bomb Memorial

Design a memorial that speaks to the cause of ending all nuclear weapons programs

Edition #6 ideas COMPETITION SILENT CONTEST For this competition, NO DESCRIPTION TEXT is allowed. The architecture ideas must be communicated strictly with visuals.
Prize Monetary award
Eligibility Open to all
Final registration deadline 13 November 2025
new
The Architect's 
Chair

Take a seat and make a statement!

Take a seat and make a statement! Edition #5 ideas COMPETITION
Prize Monetary award
Eligibility Open to all
Early bird registration deadline 20 November 2025
Hospice - 
Home for the 
Terminally ill

Design a safe and supportive space to those struggling with a terminal illness

Edition #5 ideas COMPETITION
Prize 10,000 €
Eligibility Open to all
Final registration deadline 26 November 2025
Museum of 
Emotions

Use architecture to create different emotional states

Edition #7 ideas COMPETITION SILENT CONTEST For this competition, NO DESCRIPTION TEXT is allowed. The architecture ideas must be communicated strictly with visuals.
Prize Monetary award
Eligibility Open to all
Final registration deadline 27 November 2025
Re:Form - 
New Life 
for Old Spaces

Choose a site—used, abandoned, or forgotten—anywhere in the world, and give it a new purpose

Edition #2 ideas COMPETITION
Prize Monetary award
Eligibility Open to all
Advance registration deadline 3 December 2025

Media, partners and clients

To view this project in detail,
please log in with your
Architects’ Network Plus account.
Subscription instantly unlocks all the architecture projects plus other member-only benefits:
  • Access the 17,725 Concept Library
  • Professional tools including file transfer, email, portfolio management, and more
Register now
Already a member? Log in

This website uses cookies to improve user experience and gather usage statistics.

More information is available in our Privacy & Cookie policy