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

DM-Architectes is an architecture and urban planning practice founded in 1993. With a team of four, including two architect partners, the practice designs contemporary, functional and sustainable architecture rooted in its local context. Its projects include residential developments, private villas, public facilities and commercial buildings for both public- and private-sector clients.

20 property type

Single-Family Homes

Passive House / Eco-friendly

10 type of work

Conversion

New Build

6 services

Design / Plans

Planning permission application

Architect page

Marc BROSSET HECKEL, an architect based in Grenoble, offers full or partial support for all types of architectural projects. He is involved from feasibility studies to project delivery, including bespoke design, administrative procedures, contractor consultation, and construction supervision.

His approach adapts to the specific needs of each client, whether for a comprehensive mission covering all stages from design to completion, or for targeted support such as obtaining a building permit or conducting a feasibility analysis. The goal is to provide a personalized, rigorous response tailored to the expectations and constraints of each project.

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

Architect page

With more than 20 years of experience, Pascal DIEHL designs functional, sustainable and high-quality architectural projects, from private homes to industrial and technical buildings. Combining technical expertise, environmental performance and collaborative project management, the agency delivers tailored architectural solutions from concept to completion.

23 property type

Single-Family Homes

Passive House / Eco-friendly

8 type of work

Conversion

New Build

6 services

Design / Plans

Planning permission application

1 achievement

Architect page

As an architect, structural engineer and urban planner, I support private clients, businesses and investors with their construction, renovation, transformation and development projects. My approach combines bioclimatic design, technical expertise and value creation. I also provide project management assistance, strategic consulting and comprehensive support for property development, corporate, hospitality and industrial projects.

22 property type

Single-Family Homes

Passive House / Eco-friendly

12 type of work

Conversion

New Build

7 services

Design / Plans

Planning permission application

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9 achievements

Architect page

Plan B is the architectural practice of Raphaël Billotte, based in Bègles, near Bordeaux. Whether it is an extension, vertical extension, major renovation or new-build project, the practice designs contemporary projects drawing on the rigour developed through twenty years of experience working on public facilities and wine production sites.

19 property type

Single-Family Homes

Passive House / Eco-friendly

8 type of work

Conversion

New Build

4 services

Design / Plans

Planning permission application

3 achievements

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STUDIO ASK is an architecture practice based in La Rochelle, founded by Sarvenaz ASKARI, HMONP-qualified architect.

The practice works on residential, office, retail and public facility projects, supporting each client from design through to completion. STUDIO ASK is committed to a contextual approach to architecture, where every project finds its meaning and identity through its relationship with its surroundings.

19 property type

Single-Family Homes

Passive House / Eco-friendly

10 type of work

Conversion

New Build

6 services

Design / Plans

Planning permission application

1 achievement

Based in the heart of the Savoie region, in the Aravis mountain range, Clémence QUENTIN Architect supports you with projects of all kinds, from the simplest to the most ambitious. From the earliest stages of your ideas to the handover of the keys, bring your vision to life with confidence and peace of mind!

23 property type

Single-Family Homes

Passive House / Eco-friendly

17 type of work

Conversion

New Build

6 services

Design / Plans

Planning permission application

Whether you are an individual or a professional, Atelier Matteo Sandro is here to listen to you and bring your projects to life with creativity, rigor and sensitivity, by creating unique places, in harmony with your identity, your needs and your budget.

21 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

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Guerina Erb is a passionate and dynamic architect dedicated to her client relationships and attentive to the personal tastes, dreams and way of life of each one. VieW Architecture & Décoration puts their creativity at your service. 

14 property type

Single-Family Homes

Chalets / Wooden Houses

15 type of work

Conversion

New Build

4 services

Design / Plans

Planning permission application

Architect Thierry Penne specialises in bioclimatic, sustainable and environmentally-friendly architecture. Incorporating geobiology allows a return to the roots of architecture and the role of the home, as a place of rejuvenation, rest, comfort, development and harmony.

9 property type

Single-Family Homes

Apartment

8 type of work

Conversion

New Build

4 services

Design / Plans

Planning permission application

Krummenacher Architecture is ideally situated in the heart of the tri-border region. An architect with extensive experience, Éric Krummenacher's design approach is both inventive and precise, always leading to unique projects that meet the specifications and expectations of his clients.

10 property type

Single-Family Homes

Townhouses

9 type of work

Conversion

New Build

4 services

Design / Plans

Planning permission application

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XXA is a multidisciplinary architectural agency, created by RICHARD POUZADOUX in 2001 in LILLE.

XXA responds to the most complex and unexpected requirements, our experience and our analytical approach support you by providing you with peace of mind throughout the phases of your project.

13 property type

Single-Family Homes

Smart Homes

12 type of work

Conversion

New Build

5 services

Design / Plans

Planning permission application

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the architect for you

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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

Architect page

I strive to provide architectural and technical solutions that are coherent with the economic and ecological challenges inherent to each project. By listening closely to the client in order to analyze their needs, I create a personalized synthesis that is both functional and aesthetically relevant over time.

20 property type

Single-Family Homes

Passive House / Eco-friendly

8 type of work

Conversion

New Build

2 services

Design / Plans

Planning permission application

3 achievements

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

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

Together
we can define your project

Make a free appointment with our specialist advisor.

Request a meeting
On trouve l'architecte pour vous
Architect page

With over 30 years of experience in project management for both public and private commissions, Jean-François GEORGEL specializes in renovation, transformation of historic buildings, and extensions.
He enhances existing structures to create elegant, functional, and sustainable spaces in harmony with your aspirations.

18 property type

Single-Family Homes

Passive House / Eco-friendly

13 type of work

Conversion

New Build

6 services

Design / Plans

Planning permission application

3 achievements

Architect page

A construction project is built upon close collaboration between you and the Hello Architecture & Urbanisme team. The agency supports you through attentive listening in order to understand your needs, while drawing on its architectural sensitivity and expertise to reveal the full potential of each place within a controlled framework and a relationship of trust.

20 property type

Single-Family Homes

Passive House / Eco-friendly

11 type of work

Conversion

New Build

7 services

Planning permission application

Construction Management

1 achievement

A values-driven architect, he has focused since his studies on environmental issues, creating strong connections between indoor and outdoor spaces, designing harmonious exterior environments, integrating buildings into their landscapes and optimising energy requirements.

With 23 years of experience as an architect — 15 years working as an employee and 8 years as an independent architect — he has developed extensive expertise throughout his career.

Today, he specialises in bioclimatic architecture and renewable energy, with a particular focus on designing passive houses in the Dordogne, notably in the Bergerac and Périgueux areas.

21 property type

Single-Family Homes

Passive House / Eco-friendly

12 type of work

Conversion

New Build

4 services

Design / Plans

Planning permission application

1 achievement

Architect page

Coquille is an architectural practice founded in Finistère in 2026 by Elisabeth Biville.

Its practice takes its name from Paul Valéry’s text L’Homme et la coquille, which explores the relationship between a form and what gives rise to it.

Coquille pays particular attention to the uniqueness of each project and to its coherence with a context, culture and patterns of use shaped over time. Whether transforming, extending or building, the practice seeks to anchor each project within its environment, with careful consideration for the places, materials and people who bring them to life.

15 property type

Single-Family Homes

Passive House / Eco-friendly

9 type of work

Conversion

New Build

7 services

Design / Plans

Planning permission application