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.

1 achievement

Architect page

Pauline DE NARDI, licensed architect (HMONP), graduated three years ago. For her, architecture is a story of light, materials, and communication. Each project begins with an encounter, a sensitive dialogue between a place and those who live within it.

24 property type

Single-Family Homes

Chalets / Wooden Houses

13 type of work

Conversion

New Build

6 services

Design / Plans

Planning permission application

2 achievements

Architect page

LFA! – LUKAS FLORENT ARCHITECTE is an architecture firm based in Strasbourg and Marseille, working on all types of public and private projects. Its ethical approach to construction leads it to promote, as much as possible, bioclimatic architecture, in its original sense: “the ability of a project to take advantage of its context to create architecture that is naturally comfortable for its users.”

20 property type

Single-Family Homes

Passive House / Eco-friendly

13 type of work

Conversion

New Build

7 services

Design / Plans

Planning permission application

2 achievements

Based in Anduze, Belle Ville Atelier d’Architecture supports renovation, extension, and construction projects throughout the south of France and beyond. With more than ten years of experience, the agency has developed a demanding and tailor-made approach, shaped by a practice built in Paris and now applied to projects of various scales.

24 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

Architect page

Atelier TZA is an architectural firm registered with the Order of Architects of Île-de-France and based in Paris’ 10th arrondissement, operating throughout France, independently or in collaboration with partners.

The projects handled by Atelier TZA range from individual housing to collective housing, new constructions with transformations or extensions, from Public Access Buildings (ERP) to commercial spaces.

One of Atelier TZA’s distinguishing features is its certification as an Energy Auditor and its Pro-Paille training, giving the firm a profile strongly focused on the ecological challenges of the 21st century.

19 property type

Single-Family Homes

Passive House / Eco-friendly

9 type of work

Conversion

New Build

6 services

Planning permission application

Construction Management

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4 achievements

Architect page

HMONP-qualified architect, a graduate and registered with the French Order of Architects, Rui Daniel has been working for over ten years on construction, refurbishment and transformation projects, combining architectural quality, technical expertise and high standards of execution.

Let’s discuss your project and work together to develop an architectural solution tailored to your needs, your budget and your ambitions.

23 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

EMAr designs homes and small retail spaces built to stand the test of time. Based in Mons-en-Barœul, near Lille, Emil Maxwell, a French HMONP-qualified architect, transforms extensions and renovations into spaces that respect both the existing building and future needs. From timber-frame construction and carefully selected materials to hands-on construction supervision, every project is guided by the same high standards, from the first sketch to the final handover.

15 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

D-CONCEPTS is an architecture practice in Toulon, founded in 2016 and led by Élodie Drouin, DE-HMONP-qualified architect. The practice supports private clients and professionals in Toulon and across the Var with their construction, renovation, extension, vertical extension and refurbishment projects.

A human-scale practice bringing together complementary expertise around a shared ambition: understanding your needs, revealing the potential of each place and bringing to life a coherent, functional and achievable project. Every project is bespoke, balancing your requirements, budget and technical and regulatory constraints.

26 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

Gregory Garcia, founder of the architectural practice DizagAtelier, can support you with a wide range of projects, from luxury villas to retail concept stores. He offers comprehensive project management from A to Z, from the initial sketches to bespoke furniture design, with meticulous attention to detail and a focus on creating harmonious spaces.

14 property type

Single-Family Homes

Chalets / Wooden Houses

6 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.

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On trouve l'architecte pour vous

2 achievements

Architect page

Savey Architecture – Renovation – Vertical Extensions – Extensions

Have an idea or a project in mind? Get in touch with us by email or phone for an initial discussion. Together, we can define your needs and arrange a first meeting or prepare a tailor-made quote.

19 property type

Single-Family Homes

Passive House / Eco-friendly

16 type of work

Conversion

New Build

7 services

Design / Plans

Planning permission application

Fondé par Pauline Alezra, le Studio Janvier s'est construit autour d'une conviction forte : l'existant est une ressource précieuse. Forte de 7 années d'expérience à la tête du pôle transformation/réhabilitation d'une grande agence parisienne, Pauline développe aujourd'hui une agence d'architecture.

26 property type

Single-Family Homes

Passive House / Eco-friendly

14 type of work

Conversion

Renovation

7 services

Design / Plans

Planning permission application

2 achievements

Founded in 2026 by two partners with complementary expertise — Sixtine Gibert, HMONP-qualified architect, and Justine Peyrat, interior architect — Studio Grem was born from a shared ambition to create architectural projects that sustainably enhance and enrich the everyday lives of the people who inhabit them.

16 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

The architectural firm Segula Weistuch Architecture offers a wide array of services in order to satisfy their clients’ needs and supervise the project’s realisation. The firm handles all types of renovation, conversion or expansion projects for different property types.

6 property type

Single-Family Homes

Apartment

4 type of work

Conversion

New Build

4 services

Design / Plans

Planning permission application

We find
the architect for you

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Architect page

Xavier Perret redesigns and revives elements of the urban landscape. He sees his projects as a shared adventure, to be undertaken with everyone’s input.

10 property type

Single-Family Homes

Passive House / Eco-friendly

8 type of work

Conversion

New Build

4 services

Design / Plans

Planning permission application

Architect page

From the feasibility study right through to the construction site, Alexandre Train and his Platypus Architecture studio are here to help you through the design and construction of your project.

20 property type

Single-Family Homes

Passive House / Eco-friendly

10 type of work

Conversion

New Build

5 services

Design / Plans

Planning permission application

Architect page

IMPULSE is a young and dynamic team, with a wide range of skills and a passion for construction, as well as overcoming the challenges presented by each project they work on.

10 property type

Multi-unit Residential

Retail

10 type of work

Conversion

New Build

3 services

Design / Plans

Planning permission application

3 achievements

With over 20 years of experience, Studio LD Architectures uses its technical skills, creativity and expertise to bring your project to life. Damien Lamy is an experienced architect who can work with you on a wide range of projects, on a regional, national and even international scale.

23 property type

Single-Family Homes

Passive House / Eco-friendly

17 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

4 achievements

Eva-Marie and Didier LALLEMENT are architects specializing in contemporary residential projects. They create, renovate and extend spaces with sobriety and functionality. Their priority: the organization of housing and cost control to provide harmonious and accessible housing.

15 property type

Single-Family Homes

Passive House / Eco-friendly

12 type of work

Conversion

New Build

4 services

Design / Plans

Planning permission application

8 achievements

Independent architect, Hadrien Glotin designs "eco-designed" projects by favoring bio-sourced materials. He often works in conjunction with the Architects of Buildings of France and also creates 3D images and videos for construction professionals.

19 property type

Single-Family Homes

Passive House / Eco-friendly

13 type of work

Conversion

New Build

3 services

Design / Plans

Planning permission application

2 achievements

Based in Provence, Kroquis Architecture designs bespoke, sustainable projects that are rooted in their environment. Attentive, combining rigor, common sense, and good humor, the studio handles each project with care and simplicity.

16 property type

Single-Family Homes

Passive House / Eco-friendly

17 type of work

Conversion

New Build

6 services

Design / Plans

Planning permission application

3 achievements

Oïkos Architectes, specializing in renovations, extensions and elevations, advocates pragmatic, aesthetic and sustainable architecture. The agency supports individuals with a tailor-made, responsible approach, adapted to each living space, and this, with complete peace of mind.

9 property type

Single-Family Homes

Passive House / Eco-friendly

8 type of work

Conversion

Renovation

5 services

Design / Plans

Planning permission application