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.

8 achievements

Architect page

You are looking for an architect who listens, contact Katia Pereira to discuss your project. She will help you define your project according to your needs, and will support you in making it a reality.

21 property type

Single-Family Homes

Chalets / Wooden Houses

15 type of work

Conversion

New Build

4 services

Design / Plans

Planning permission application

4 achievements

Architect page

At ARCHITECTALIS, every approach is built on functionality, durability, and aesthetics. The firm transforms your ideas and needs into concrete, practical, and enjoyable living spaces, fully adapted to your lifestyle, aspirations, and budget.

26 property type

Single-Family Homes

Passive House / Eco-friendly

13 type of work

Conversion

New Build

7 services

Design / Plans

Planning permission application

1 achievement

Architect page

Designing an architectural project begins above all with understanding a place, its uses, and its ambitions. Each intervention requires a tailor-made approach combining creativity, precision, and attention to detail in order to create sustainable and harmonious spaces.

A young architect registered with the Architects’ Order, Marie LENNON would be delighted to discuss your projects with you, from small-scale interventions to larger developments.

27 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

Architect page

The Arch'Ingénierie agency, with more than 40 years of experience, guides its clients through all phases of projects, offering expertise, site monitoring and a network of tradesmen.

20 property type

Single-Family Homes

Passive House / Eco-friendly

11 type of work

Conversion

New Build

6 services

Design / Plans

Planning permission application

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5 achievements

Architect page

For a pleasure to live in. All our constructions are different because each of us is unique in a particular site. Let's create together your ideal living space specific to your desires and your lifestyle.Your dream, our passion

21 property type

Single-Family Homes

Passive House / Eco-friendly

9 type of work

Conversion

New Build

5 services

Design / Plans

Planning permission application

10 achievements

Architect page

Based in Reims and practising since 2018, Pierre Ragot Architecte designs functional, thoughtful and sustainable spaces tailored to individual needs and how each space is used. Combining creativity, technical expertise and environmental commitment, the practice works across a wide range of projects, including individual houses, apartment buildings, public facilities, cultural and sports venues, administrative buildings, schools and dining facilities. From new-build projects to the refurbishment of existing buildings, with a particular focus on energy-efficient renovation, every project is designed to combine architectural quality, comfort and environmental performance.

26 property type

Single-Family Homes

Passive House / Eco-friendly

13 type of work

Conversion

New Build

7 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

3 achievements

Architect page

Rémi Jenta is a skilled and dynamic architect who offers tailor-made services to his clients. He focuses his architectural efforts on human values and the discovery of the other.

21 property type

Single-Family Homes

Passive House / Eco-friendly

17 type of work

Conversion

New Build

7 services

Design / Plans

Planning permission application

Together
we can define your project

Make a free appointment with our specialist advisor.

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On trouve l'architecte pour vous

5 achievements

Architect page

Stéphane Coydon is an architect who promotes teamwork to make the most of each project, in particular thanks to the involvement of qualified partners who share his passion and architectural values.  

16 property type

Single-Family Homes

Passive House / Eco-friendly

11 type of work

Conversion

New Build

4 services

Design / Plans

Planning permission application

9 achievements

Architect page

ELKA architecture is a multidisciplinary agency offering a service ranging from permit filing, renovation and interior design. A transversality that highlights projects in your image.

17 property type

Single-Family Homes

Townhouses

14 type of work

Conversion

New Build

4 services

Design / Plans

Planning permission application

1 achievement

ATELIER ARCAD is a team of 16 architecture enthusiasts who advise and guide you in all your projects. Whether you are an individual or a community, we offer you a tailor-made service.

16 property type

Single-Family Homes

Passive House / Eco-friendly

11 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

We find
the architect for you

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3 achievements

HMONP architect based in Toulouse city centre, Lize DÉSIRÉ founded her own agency, Lize Désiré Architecte, after several years working as a project manager within a Toulouse-based architecture firm.

With extensive experience in renovation projects, she knows how to enhance existing buildings while respecting their history and environment. Since January 2026, the agency has been a member of Envirobat Occitanie, a regional network of professionals committed to sustainable buildings

25 property type

Single-Family Homes

Passive House / Eco-friendly

17 type of work

Conversion

New Build

7 services

Design / Plans

Planning permission application

4 achievements

23 years of experience in single-family homes, offices, commercial buildings, and public buildings. Experience at all levels of architectural practice, from design to completion, both in-house and on-site.

An architect to work with you on your project.

19 property type

Single-Family Homes

Chalets / Wooden Houses

9 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

Marie SAVALLE

MASAA

4 Opinions

Architecte in Nantes 44000

Architect page

MASAA, a member of the Archipel 5 collective, brings together six architects with complementary expertise in renovation, interior architecture, medical facilities, schools, childcare spaces and residential projects. Together, they design tailor-made, functional and aesthetic spaces carefully developed around the needs, lifestyles and expectations of each client.

12 property type

Single-Family Homes

Passive House / Eco-friendly

11 type of work

Conversion

New Build

7 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

DPLG architect, Vincent LEBEGUE develops and renovates existing homes while preserving the spirit of the place and integrating all the innovations necessary for the energy transition. He also designs new houses and creates extensions.

12 property type

Single-Family Homes

Passive House / Eco-friendly

10 type of work

Conversion

New Build

5 services

Design / Plans

Planning permission application

1 achievement

A Latin American architect based in France, I design sensitive and functional architecture, nourished by a rich European and field experience, between high mountains and varied projects.

16 property type

Single-Family Homes

Townhouses

17 type of work

Conversion

New Build

7 services

Design / Plans

Planning permission application

Passionate about architecture and well-being in living spaces, Laurent GIUSTI supports your renovation and construction projects with particular attention to bio-based materials. His goal: to create a project that truly reflects you.

27 property type

Single-Family Homes

Passive House / Eco-friendly

16 type of work

Conversion

New Build

7 services

Design / Plans

Planning permission application

1 achievement

Architect page

At WAKA, every project is an opportunity to design spaces focused on well-being, respecting living environments and creating a lasting connection with their territory. Through construction expertise, thoughtful material choices and careful work on natural light, the agency’s approach aims to create architecture that is simple, harmonious and timeless.

27 property type

Single-Family Homes

Passive House / Eco-friendly

14 type of work

Conversion

New Build

7 services

Design / Plans

Planning permission application