560 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.

Independent architect since 2021, my work focuses mainly on the small scale of the individual: extension, elevation, rehabilitation, new house. I am called upon to collaborate with other architects for larger scale projects (collective housing, equipment, etc.)

18 property type

Single-Family Homes

Passive House / Eco-friendly

7 type of work

Conversion

New Build

4 services

Design / Plans

Planning permission application

3 achievements

Clef Architecture is an architecture and interior design agency founded by two professionals united by a shared vision: designing tailor-made, functional, and sustainable spaces. The agency supports both individuals and businesses in their construction, renovation, and design projects.

9 property type

Single-Family Homes

Chalets / Wooden Houses

9 type of work

Conversion

New Build

4 services

Design / Plans

Planning permission application

9 achievements

Architect page

Based in the Chevreuse Valley, IMAGINARIO COLECTIVO develops a sober and contextual architectural approach, attentive to uses and existing buildings.
The firm works on housing, workspaces, retail, renovation, and heritage projects, favoring a bespoke, sustainable, and sensitive approach.

19 property type

Single-Family Homes

Passive House / Eco-friendly

17 type of work

Conversion

New Build

7 services

Design / Plans

Planning permission application

1 achievement

Jorge CARDENAS is an architect and certified passive building designer, founder of Atelier Cardenas Architecture, with more than twenty years of experience across diverse operations ranging from new construction to the transformation of existing buildings, supporting each project from design to completion with a rigorous and sustainable approach.

22 property type

Single-Family Homes

Passive House / Eco-friendly

10 type of work

Conversion

New Build

3 services

Design / Plans

Planning permission application

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19 achievements

KUNIHIKO TAKANO ARCHITECTURE is an architecture and interior design studio specializing in residential and restaurant projects. Its distinctive approach offers a sensitive and structured interior architecture, shaped by influences from Kyoto and Paris, serving well-being, functionality, and emotion.

17 property type

Single-Family Homes

Passive House / Eco-friendly

8 type of work

Conversion

New Build

5 services

Design / Plans

Planning permission application

9 achievements

Boréal Architecture is an architectural firm based in Gif-sur-Yvette, in the Essonne department, operating in the Île-de-France region and in Brittany. The firm supports private clients with their house renovation, extension, and new-build projects by offering sustainable architecture, using bio-based materials and inspired by the principles of Feng Shui.

15 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

L'Atelier d'architecture du Pouliguen AAP is a family agency managed by two architect brothers (Thomas and Simon POILANE) based in Saint Nazaire "Au Jardin" Concerned with creating seine, ecological and pleasant architecture.

16 property type

Single-Family Homes

Passive House / Eco-friendly

12 type of work

Conversion

New Build

5 services

Design / Plans

Planning permission application

1 achievement

Architect page

We offer fluid and functional architecture for both construction and rehabilitation. Individual & Professionals - Gard - Lubéron - Alpilles

We support our clients in all phases that make up a project.

19 property type

Single-Family Homes

Passive House / Eco-friendly

12 type of work

Conversion

New Build

5 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

Céline Erbsheuser is a DPLG architect. After working for several years in an agency, she went freelance in 2014. She works on new construction projects as well as extensions, elevations and interior design.

15 property type

Single-Family Homes

Passive House / Eco-friendly

10 type of work

Conversion

New Build

5 services

Design / Plans

Planning permission application

ARCHITECTURE a2+ develops architecture that is attentive to context and use, capable of exploring both traditional and contemporary approaches. Each project is conceived as a singular response, born from listening to the site, its uses, and the people involved, reconciling architectural rigor with sustainable integration into its environment.

18 property type

Single-Family Homes

Passive House / Eco-friendly

15 type of work

Conversion

New Build

5 services

Design / Plans

Planning permission application

30 years of project experience for all types of private or public buildings. Specialist in the renovation, transformation, extension and enhancement of properties and support in all rehabilitation, extension, energy renovation and interior design projects.

13 property type

Single-Family Homes

Passive House / Eco-friendly

11 type of work

Conversion

New Build

6 services

Design / Plans

Planning permission application

3 achievements

Architects trained in “Passive Construction”, we are designers who listen to our clients, taking into account their identity as well as the spirit of the places .

8 property type

Single-Family Homes

Passive House / Eco-friendly

5 type of work

Conversion

New Build

3 services

Design / Plans

Planning permission application

We find
the architect for you

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On trouve l'architecte pour vous

Sébastien Di Vora Architect puts his expertise and constantly renewed know-how at the service of your projects by offering demanding architecture emphasizing the accuracy of interventions and rigorous monitoring while promoting proximity and listening .

14 property type

Single-Family Homes

Passive House / Eco-friendly

12 type of work

Conversion

New Build

6 services

Design / Plans

Planning permission application

APA is an architecture and project management studio established in a rural environment, with Benoît De Cillia in Puget-Théniers and Coline Le Poëc in Sauveterre-de-Rouergue. Its existence stems from the desire to bring architectural quality and well-being closer to clients and into every project, regardless of its scale. To achieve this, APA commits with conviction, step by step, from the initial concept to the execution of the works entrusted to them.

18 property type

Single-Family Homes

Passive House / Eco-friendly

16 type of work

Conversion

Renovation

6 services

Design / Plans

Planning permission application

5 achievements

Architect page

Eraiki.studio is an architecture firm based in Bordeaux, serving the Arcachon Bay area and the Basque Coast through to the Spanish border. Led by HMONP architect Jon Fernández Mata and CFAI-certified interior architect Jean-Maxime Cadix, the practice specialises in the rehabilitation, renovation, and extension of distinctive properties. Combining architectural and interior design expertise, Eraiki.studio delivers bespoke projects from concept to completion, with a strong focus on contextual design, craftsmanship, and attention to detail.

26 property type

Single-Family Homes

Passive House / Eco-friendly

14 type of work

Conversion

New Build

6 services

Design / Plans

Planning permission application

3 achievements

Architect page

Gilbert PORZIO is an experienced architect with more than 35 years of practice, working on projects ranging from private homes and residential developments to large-scale property and specialist commissions. His years in New York City shaped a rigorous approach to design, combining attention to detail, budget control, technical expertise, and architecture tailored to each client's needs. Passionate about his profession, he is committed to creating projects that are both functional and aesthetically refined.

24 property type

Single-Family Homes

Chalets / Wooden Houses

12 type of work

Conversion

New Build

6 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

Michel THOMAS specializes in the restoration of urban and architectural heritage. It participates in the restoration and rehabilitation of historical monuments and old buildings located in protected areas, whether civil, religious or military heritage, built before 1940.

10 property type

Single-Family Homes

Townhouses

5 type of work

Conversion

Renovation

6 services

Design / Plans

Planning permission application

1 achievement

Experience and Serenity

Since 1988, Hervé RABINEAU has been designing all types of private and professional buildings for his clients. He works extensively with private individuals, creating new villas and supporting them throughout their rehabilitation, extension, or renovation projects.

23 property type

Single-Family Homes

Passive House / Eco-friendly

13 type of work

Conversion

New Build

6 services

Design / Plans

Planning permission application

1 achievement

Based between Landes and the Basque Country, FB Architecture designs contemporary, bright, and contextually anchored projects. Sustainable materials, dialogue with local artisans, and client attention guide our bespoke approach.

13 property type

Single-Family Homes

Chalets / Wooden Houses

7 type of work

Conversion

New Build

3 services

Design / Plans

Planning permission application

3 achievements

Adrien Plinet founded his studio Atelier de la Montagne Noire to focus on the projects he's passionate about. Drawing on his experience, he is able to adapt to each situation by implementing various architectural approaches and methodologies in order to meet your needs.

8 property type

Single-Family Homes

Passive House / Eco-friendly

8 type of work

Conversion

New Build

4 services

Design / Plans

Planning permission application