569 architects Conversion

Architect for Building Transformation

Are you looking to transform an old house, add an annex, or carry out works to rehabilitate a building? A specialist transformation architect is the professional you need. Renovating a building can be a delicate process, but thanks to their expertise, this architect takes charge of renovation projects from design all the way through to construction.

While many agree that an architect is an artist at heart, they are no less a technical and construction professional. Do not hesitate to call on this type of architect to transform your home and its interior to the fullest.

In practice, when should you hire a specialist transformation architect?

Architects are multidisciplinary professionals who master all the intricacies of renovation and construction projects — design, work supervision, budget management, administrative procedures, and more. Their involvement guarantees the success of your transformation project.

For the rehabilitation of a building
A building can have many lives, and its renovation creates spaces full of potential. In this type of project, the building's structure remains the same, but its interior is completely transformed. Room layout, utilities, décor, atmosphere — the architect can modify everything, going as far as removing certain non-load-bearing walls.
In structural renovation projects, the transformation architect may also work on the building's structure during more extensive works. This can include raising the roof, carrying out energy renovations, or even reinforcing the framework of a construction.

For the construction of an annex
Having an architect on board is mandatory when building an extension. But beyond the legal requirement, an architect's expertise is invaluable. Whether you are looking for a conservatory or a more substantial structure such as a detached studio, a garage, or a workshop, this professional will carry the project through to completion while respecting technical constraints, the budget, planning regulations, and the specific features of your environment — land type, soil conditions, and so on.

For simplifying administrative procedures
Finally, a specialist transformation architect supports you through all the administrative procedures involved. Planning permission applications, paperwork — the architect handles everything. With a thorough understanding of every aspect of their profession, they ensure compliance with the architectural regulations governing each region of France, whether in Paris or elsewhere.

3 achievements

Architect page

The AUP/Architectes agency, led by Samia SERRADJ and Pierre BONNET, combines passion, innovation and social responsibility to create unique architecture, respectful of its environment and centered on people.

6 property type

Multi-unit Residential

Hotels - Restaurants

7 type of work

Conversion

New Build

3 services

Design / Plans

Planning permission application

Architect page

Upsilon is an architecture and environmental engineering agency. The agency is strongly committed to integrating environmental challenges at the core of the design process, through the enhancement of existing heritage, reuse, and the use of natural, unprocessed materials. Its positioning focuses on transforming existing buildings and materials to give them a second life.

14 property type

Single-Family Homes

Multi-unit Residential

11 type of work

Conversion

New Build

6 services

Design / Plans

Planning permission application

21 achievements

A passionate architecture firm based in Marseille, Hept’Arts designs spaces that reflect who you are. At Hept’Arts, we don’t just create buildings, we shape living environments filled with light and emotion. Combining attentive listening, thermal expertise, and 3D design, the agency supports you step by step to build a unique and sustainable legacy together.

22 property type

Single-Family Homes

Passive House / Eco-friendly

7 type of work

Conversion

New Build

7 services

Design / Plans

Planning permission application

Architect page

FVA — Florent Vaissié Architecture is an architecture and design studio founded in Paris in 2021. The practice develops a thoughtful and context-driven approach, shaped by the specific conditions of each project. Every intervention is grounded in a careful reading of its context—whether transforming an existing site or working on a new one—in order to deliver precise, rooted, and lasting responses.

20 property type

Single-Family Homes

Passive House / Eco-friendly

16 type of work

Conversion

New Build

7 services

Design / Plans

Planning permission application

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3 achievements

Architect page

Ancrage Architecture was founded in 2021 by Valentin Souchet.

The firm works on a variety of scales, from the rehabilitation of heritage sites to the construction of new sites, where each context requires a unique response.

21 property type

Single-Family Homes

Passive House / Eco-friendly

13 type of work

Conversion

New Build

5 services

Design / Plans

Planning permission application

6 achievements

Architect page

GRZ architecture adopts a sensitive approach to design through projects that are born from an ever-evolving idea. With a diverse team, GRZ architecture supports its clients in the realization of their projects through a unique approach.

13 property type

Single-Family Homes

Passive House / Eco-friendly

10 type of work

Conversion

New Build

6 services

Design / Plans

Planning permission application

9 achievements

AUS, an architectural firm founded in 2016, carries out projects in France and internationally, both independently and collaboratively.

AUS takes a contextual approach that leverages existing structures to achieve innovative results.

17 property type

Single-Family Homes

Passive House / Eco-friendly

10 type of work

Conversion

New Build

7 services

Design / Plans

Planning permission application

5 achievements

The Willerval et Associés Architecture Agency designs a variety of projects, from single-family homes to hotels, residences, office buildings, and towers in dense urban areas. This diversity strengthens our expertise and fuels a tailor-made approach, committed to each stage of the project.

19 property type

Single-Family Homes

Passive House / Eco-friendly

10 type of work

Conversion

New Build

4 services

Design / Plans

Planning permission application

Together
we can define your project

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14 achievements

At Guillaume Dumont Architecture, an agency specialized in architecture, interior design, and design, we envision projects as both functional and inspiring. Our mission is to create spaces that combine simplicity, efficiency, and sustainability. By integrating innovative solutions, we are committed…

25 property type

Single-Family Homes

Passive House / Eco-friendly

12 type of work

Conversion

New Build

6 services

Design / Plans

Planning permission application

3 achievements

For nearly 30 years, YO_Architecture has been designing housing projects, sports facilities, schools, all types of public-access buildings, public spaces, as well as urban studies and planning.

A motivated and responsive team, fully committed to the many challenges of development and construction.

21 property type

Single-Family Homes

Passive House / Eco-friendly

13 type of work

Conversion

New Build

6 services

Design / Plans

Planning permission application

2 achievements

SITOU Architecture is a key player in the design and construction of living and working spaces. The agency supports its clients at every stage of their project, from the initial idea to final delivery.

With technical, artistic, and regulatory expertise, it designs buildings that are functional, aesthetic, and tailored to each client’s specific needs. Whether it involves new construction, renovation, or interior design, the agency is committed to offering innovative, sustainable solutions that are in harmony with their environment.

27 property type

Single-Family Homes

Passive House / Eco-friendly

14 type of work

Conversion

New Build

7 services

Design / Plans

Planning permission application

4 achievements

Architect page

A graduate architect from ENSAP in Bordeaux, Letizia Cuturi is a fan of sober and warm architecture. The skills of her agency are aimed both at individuals for the design of main or secondary residences, and at professionals for offices, shops, restaurants or medical practices.

14 property type

Single-Family Homes

Townhouses

14 type of work

Conversion

New Build

3 services

Design / Plans

Planning permission application

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the architect for you

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1 achievement

Archiiodée combines creativity, innovation and diverse expertise to design aesthetic, functional and sustainable projects. Anchored along the Atlantic, the agency collaborates with trusted partners to meet commercial, industrial, medical, hotel, catering, etc. needs.

21 property type

Single-Family Homes

Passive House / Eco-friendly

17 type of work

Conversion

New Build

6 services

Design / Plans

Planning permission application

4 achievements

Architect page

Servadio Architecture designs tailor-made projects that combine art, exceptional craftsmanship, and innovation, creating unique spaces that meet the highest aesthetic and functional standards.

26 property type

Single-Family Homes

Passive House / Eco-friendly

12 type of work

Conversion

New Build

6 services

Design / Plans

Planning permission application

1 achievement

Dorothée Frémont designs your projects from the initial design phase to completion. She advises you and manages all permit applications.

Dorothée specializes in environmental quality management. She is also qualified in energy auditing.

17 property type

Single-Family Homes

Passive House / Eco-friendly

14 type of work

Conversion

New Build

6 services

Design / Plans

Planning permission application

1 achievement

Architect page

Christophe Back offers intelligent and non-artificial architecture, designed in close collaboration with clients, oriented towards energy efficiency and ecology.

9 property type

Single-Family Homes

Passive House / Eco-friendly

9 type of work

Conversion

New Build

4 services

Design / Plans

Planning permission application

Together
we can define your project

Make a free appointment with our specialist advisor.

Request a meeting
On trouve l'architecte pour vous

3 achievements

Architect page

“Architecture is a combat sport.”

True to this vision of Rudy Ricciotti, AEON approaches each project with boldness and a touch of rebellion, creating unique spaces that defy convention, combining creativity, precision and a sincere passion for the unexpected.

14 property type

Single-Family Homes

Passive House / Eco-friendly

12 type of work

Conversion

New Build

3 services

Planning permission application

Construction Management

3 achievements

Architect page

One of the most renowned and experienced architects in France, Gerard Jalloul designs tailor-made projects, provides expert appraisals, building permits, and comprehensive monitoring, with a vision combining innovation, architectural quality, and professional excellence.

21 property type

Single-Family Homes

Passive House / Eco-friendly

17 type of work

Conversion

New Build

6 services

Design / Plans

Planning permission application

7 achievements

Architect page

After six years of study at the École Spéciale d'Architecture in Paris and more than five years in business, Atelier VIO was born. An architectural studio at your service and attentive to your needs, led by Melanie Luccioni, who is passionate about her profession.

11 property type

Single-Family Homes

Townhouses

5 type of work

Conversion

Renovation

4 services

Design / Plans

Construction Management

1 achievement

Michelle NORMA RAMIREZ FONTES is an architect passionate about how spaces shape our emotions.Of Mexican origin and trained in France and abroad, she designs sensitive, tailor-made environments where light, material, and emotion meet in perfect harmony.

15 property type

Single-Family Homes

Passive House / Eco-friendly

14 type of work

Conversion

New Build

4 services

Design / Plans

Planning permission application