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.

6 achievements

21 property type

Single-Family Homes

Passive House / Eco-friendly

16 type of work

Conversion

New Build

6 services

Design / Plans

Planning permission application

Each project must reflect both taste and desired directions, and is the subject of an analysis of your desires and your technical and budgetary requirements, with an emphasis on presenting you with innovative and creative options.

18 property type

Single-Family Homes

Chalets / Wooden Houses

12 type of work

Conversion

New Build

5 services

Design / Plans

Planning permission application

1 achievement

Architect page

PLACE is an architecture studio founded in 2024 by Camille LEMOINE-SOLIER, Elsa GASS, and Cyril CLIGMAN, all three HMONP-certified architects. Based in Paris and Marseille, PLACE develops projects of various scales through a thoughtful and sensitive approach.

19 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

Atelier DAM, an architecture, project management, and planning firm located between Oise and Île-de-France, supports the construction, renovation, extension, and transformation of all types of properties.
Their team designs and manages tailor-made projects that combine design, spatial optimization, and technical performance, revealing each building’s potential and ensuring long-term value. From housing rehabilitation to the creation of professional spaces, they design functional, harmonious, and profitable environments, adapted to today’s and tomorrow’s needs. With a creative, rigorous, and pragmatic approach, Atelier DAM transforms every idea into a concrete, controlled, and sustainable project, serving both real estate value and user comfort.

18 property type

Single-Family Homes

Passive House / Eco-friendly

14 type of work

Conversion

New Build

6 services

Design / Plans

Planning permission application

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Yves WOZNIAK Architect develops a contemporary architecture attentive to context, use, and materials.
Each project is conceived as a bespoke response, combining conceptual rigor, attention to detail, and harmonious integration into its environment, in the service of a sustainable, functional, and sensitive architecture.

13 property type

Single-Family Homes

Townhouses

6 type of work

Conversion

New Build

3 services

Design / Plans

Planning permission application

1 achievement

MARIELOUISE is an architectural firm founded in 2021 by Emma Rigoulot and Maxence Mompeu-Lebel in Arles.

Honest and conscientious projects, well-thought-out and well-constructed.

20 property type

Single-Family Homes

Passive House / Eco-friendly

13 type of work

Conversion

New Build

6 services

Design / Plans

Planning permission application

7 achievements

SOLIDOR Architecture — Space Crafters.
From our offices in the Paris region and Rennes, we manage renovations, vertical extensions, rehabilitations, and new constructions. Bio-based, low-carbon design (PRO-PAILLE, RE2020/LCA), with rigorous BIM. From feasibility to completion, we uphold ambition, quality, budget, and schedule.

17 property type

Single-Family Homes

Passive House / Eco-friendly

10 type of work

Conversion

New Build

6 services

Design / Plans

Planning permission application

5 achievements

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Nicolas Bellia and the studio Atelier TKN work to design authentic, well-considered projects in collaboration with specialised contractors. Together, they cultivate a sustainable, environmentally-friendly design approach, with constant attention to detail. 

7 property type

Single-Family Homes

Passive House / Eco-friendly

9 type of work

Conversion

New Build

4 services

Design / Plans

Planning permission application

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3 achievements

Architect page

The Olivier SOUSA Architecture workshop supports you in your project. Combining listening and creativity, its aim is to guide you and advise you in your choices in order to design the living space that suits you.

13 property type

Single-Family Homes

Chalets / Wooden Houses

11 type of work

Conversion

New Build

4 services

Design / Plans

Planning permission application

4 achievements

A committed architect and landscape designer, Grégory CAZEAUX supports his clients at every stage of their renovation and construction projects, with a tailor-made approach combining architecture and landscape. He transforms existing spaces into optimized, bright and sustainable environments, adapted to contemporary uses and lifestyles.

10 property type

Single-Family Homes

Passive House / Eco-friendly

12 type of work

Conversion

Renovation

5 services

Design / Plans

Planning permission application

His approach centers on the creation of architecture specially designed to integrate into the natural site of the project. The goal is to produce a contemporary, modern or traditional living space that accommodates the client’s needs while remaining in harmony with the outside environment.  

1 property type

Single-Family Homes

5 type of work

Conversion

New Build

4 services

Design / Plans

Planning permission application

3 achievements

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Pérez architecture enhances the existing through a bioclimatic approach, integrating new construction, renovation and interior design. The agency favors local materials, artisanal know-how and energy performance, thus contributing to a more sustainable sector that respects the environment and users.

18 property type

Single-Family Homes

Passive House / Eco-friendly

9 type of work

Conversion

New Build

6 services

Design / Plans

Planning permission application

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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

Architect page

At Lima, every project is born from a constant dialogue between landscape, architecture, and use.
They believe in the simplicity of lines, the honesty of materials, and the strength of lived-in spaces.

16 property type

Single-Family Homes

Passive House / Eco-friendly

15 type of work

Conversion

New Build

5 services

Design / Plans

Planning permission application

3 achievements

The architecture agency Isabelle CALVET-CHARET, founded in 1997 in Béziers, benefits from more than 25 years of experience. A graduate of the Montpellier School of Architecture with Jury Honors, Mrs. CALVET-CHARET has built a multidisciplinary practice capable of managing a wide range of public and private projects.

17 property type

Single-Family Homes

Chalets / Wooden Houses

11 type of work

Conversion

New Build

7 services

Design / Plans

Planning permission application

4 achievements

Architect page

Chlôme Architecture, your partner for high-end architectural projects and renovations in the Annecy and Bordeaux areas .

8 property type

Single-Family Homes

Chalets / Wooden Houses

13 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

5 achievements

Architect page

HAMAC Architecture designs and carries out any project for individuals and professionals (new construction, extension, renovation, etc.) in full or partial assignment. An architecture that listens to its times, your desires and your uses, to meet your expectations.

11 property type

Single-Family Homes

Passive House / Eco-friendly

15 type of work

Conversion

New Build

5 services

Design / Plans

Planning permission application

Architect page

Design, urban planning and architecture are the focus of Mathieu Coudriaud's firm. MC Architecture provides its services for all phases of a project, from analysis of the attributes and constraints of the chosen site to providing solutions perfectly suited to the client’s needs.

18 property type

Single-Family Homes

Passive House / Eco-friendly

15 type of work

Conversion

New Build

4 services

Design / Plans

Planning permission application

9 achievements

Concerned about the well-being of its customers, Pernelle shapes spaces in the image of its users and helps you design your living space according to your personality and your needs.

15 property type

Single-Family Homes

Townhouses

15 type of work

Conversion

New Build

4 services

Design / Plans

Planning permission application

6 achievements

Architect page

N.O.W Architecture is a Reims-based architectural practice that has been in business since 2015. The agency is at your service to help you with your projects, from design to handover, and for all types of project: construction, extension, raising, renovation, refurbishment, etc.

13 property type

Single-Family Homes

Chalets / Wooden Houses

11 type of work

Conversion

New Build

4 services

Design / Plans

Planning permission application