Who are we?

PETITDIDIERPRIOUX is an architecture firm that works in a variety of fields with three key principles:

  • Having a positive and lasting impact on the social and environment context of the project
  • Refusing the ordinary by researching innovative architectural solutions
  • Dedicating the same unwavering professional commitment to every project

Every new situation is carefully analysed with an open mind and we approach every project with an ever-fresh but experienced eye. Our strategy is to question the project from social, economic, technical or theoretical angles, which guarantees an innovative result informed by a realistic process.

From the earliest sketches to the last steps of construction, the project is regularly discussed both in substance and form, repeatedly tested and modeled to reflect the process. To each project a new approach, whether the project is similar to previous works or has not precedents at the firm.


The firm boasts a highly collaborative and proactive staff of about 40, led by Cédric PETITDIDIER and Vincent PRIOUX, associated architects.

We regularly make contact with new talents – graphic designers, photographers, landscape designers, cost planners, engineering consultants, energy and environment consultants – who then become part of our network, and whose skills can prove invaluable for specific project needs.


  • Jean-Pierre Buisson, Construction Director
  • Nicolas Fromageaot, Project Director
  • Jean-Baptiste Pierru, Office Director (Lyon)
  • Laurent Thierry, Office Director (Paris)

Administrative, communication and business development board

  • Maria Cristina Di Martino, communication manager
  • Maxime Dupuy, development manager
  • Laïla Elazrak, development manager
  • Sophia Hurel, Human Resources Manager/Branch Manager

Representation board

  • Julien Raffard, 3D designer
  • Thomas Beaujoin, 3D designer
  • Julie Plisson, Graphic designer

Design board

Mallaury Abbadie, Soheyl Aslani, Tarik Ballouch, Anne-Charlotte Billot, Jean-Pierre Buisson, Thibault Cérèze, Marie-Charlotte Chandès, Maxime Darde, Octave de Magellan, Julien Denis, Samia Elghouzlani,  Nicolas Fromageot, Aurély Giraud, Grégoire Gouverneur, Justine Labrousse, Fanny Landart, Oscar Metz, Ali Moalla, Thomas Navarro, Mickaël Papi, Claire Paviot, Jean-Baptiste Pierru, Jenine Principe, Bertrand Rodange, Quentin Roy, Chyara Saraiva, Laurent Thierry, Nathalie Trantic

Principal awards

  • 2023

    “Honorable Mention”, International Architecture Awards (B1C1, Lyon Confluence)  by The Chicago Athenaeum Museum and The European Centre for Architecture Art Design and Urban Studies 
  • 2023

    « Honorable Mention », Design Educates Awards 2023  (B1C1, Reversible higher education facilities & housing, Lyon Confluence)
  • 2022

    Winners of the Architizer A+AWARDS, “Best Residential Firm”
  • 2020

    Winners of the German Design Awards 2020 « Excellent Architecture »
  • 2019

    Finalists of the THE PLAN AWARDS “Housing” (152 housing units in Villeubanne)
  • 2019

    Finalists of the ARCHITIZER A+ AWARDS “Residential-Multi Unit Housing – High Rise (16+ Floors)” (152 housing units in Villeurbanne)
  • 2019

    Finalists of the WORLD ARCHITECTURE FESTIVAL (338 housing units, Paris XIX)
  • 2017

    Winners of the AMERICAN ARCHITECTURE PRIZE in Residential category (109 appartments of ZAC Boucicaut in Paris)
  • 2017

    Finalist of the WORLD ARCHITECTURE FESTIVAL (109 appartments of ZAC Boucicaut in Paris)
  • 2013

    Winners of the INTERNATIONAL PROPERTY AWARDS (109 housing units, ZAC Boucicaut, Paris)
  • 2010

    Winners of the “40 UNDER 40” Award, organised by the European Centre of Architecture
  • 2010

    Winners of the “Grand Prix Architecture, Urbanisme et Environnement Rhône-Alpes”, in the “social housing” category
  • 2009

    Nominated for the “PREMIERE ŒUVRE” Award, organised by AMC – Le Moniteur, for 30 rent-controlled housing units in Villefranche-sur-Saone
  • 2004

    Winners of Archi Nova contest, “What will tomorrow’s housing look like?”, for 50 flat units in la Duchère, Lyon


Sometimes, an artist’s first work heralds the rest of his or her career. In the case of Cédric Petitdidier and Vincent Prioux, their Villefranche-sur-Saône housing programme certainly established a point of reference in their career, one that crystallised their vision of the articulation between indoors and outdoors, form and function, private and public.

Since this career-defining project was delivered in 2009, they have used their designs to express their reflections on usage – one of the reasons why all of their buildings suggest a sense of empathy, for residents as well as neighbours.

Each project is singular, but, leaving aside the specific context of each site, the diversity of approaches they develop is first and foremost the result of a thorough, yet continuous thought process. Cédric Petitdidier and Vincent Prioux are architects who favour method over recipes.

Driven by a creative mindset, they have developed an anti-dogmatic attitude towards concepts and values, knowing full well that there are many ways to implement them for any given result. Their work is not about building; it is about planning.

Recognition led to success and Cédric Petitdidier and Vincent Prioux soon had to hire and put together a team in order to continue growing without compromising on their vision of architecture. They organized their practice in much the same way they design buildings – using their innate capacity to challenge rules and preconceived notions to overcome the dichotomy between private and public commissions. Their projects systematically centre on the common good.

In 2017, they moved into new offices, in an old parking structure. The building provides large open floor plans, but also offers a number of nooks and crannies found on mezzanine floors and out-of-the-way staircases. The result is perfectly consistent with their commissioned work, which always focuses on producing a new perspective on the project’s environment: a connecting alleyway here, a pedestrian pathway there, or the edge of a lot turned into a lush green ditch to blur boundaries. Whichever programme they are working on, their greatest priority is to create or recreate an urban community, guided by the notion that an architect’s role is also to organise the way we live together.

The way we design buildings is necessarily influenced by the pursuit of spatial solutions to provide every resident with a sense of intimacy and help everyone feel comfortable sharing the public spaces. These two dimensions are the key to striking a balance between the quality of the buildings and the project’s consistency with its surroundings,” the architects explained.

And despite the challenges of density – a notion they advocate –, their expertise, inspiration and unwavering generosity hold the promise for each project of a possible future.

Christophe LERAY, editor and founder of Chroniques d’Architecture magazine


Having a positive and lasting impact on the social and environment context of the project, refusing the ordinary by researching innovative architectural solutions, dedicating the same unwavering professional commitment to every project.