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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.

5 achievements

Architect page

“High five”, an expression borrowed from the realm of sports, represents the interaction between multiple individuals celebrating the achievement of a common goal. This kind of team spirit is precisely what architect Yann Melan wished to infuse into his firm High Five Architecture, located in Fréjus on the Côte d’Azur. 

17 property type

Single-Family Homes

Passive House / Eco-friendly

6 type of work

Conversion

New Build

4 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

Architect page

The Or de Terre workshop specializes in bioclimatic design and the use of eco-responsible materials (local and natural resources), both in the rehabilitation of old buildings and in new eco-responsible constructions for individuals, associations and professionals.

23 property type

Single-Family Homes

Passive House / Eco-friendly

14 type of work

Conversion

New Build

7 services

Design / Plans

Planning permission application

2 achievements

Architect page

Charlotte is a dynamic and creative architect who founded her agency in 2020. Her approach to architecture is guided by a holistic vision, aiming to combine aesthetics, functionality and sustainability for each project.

21 property type

Single-Family Homes

Passive House / Eco-friendly

17 type of work

Conversion

New Build

6 services

Design / Plans

Planning permission application

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10 achievements

Architect page

Thomas Bonnin, a state-certified HMONP architect, is based in Vélizy and responds to all your projects with unique support!

14 property type

Single-Family Homes

Passive House / Eco-friendly

12 type of work

Conversion

New Build

5 services

Design / Plans

Planning permission application

2 achievements

Architect page

Welcome to Bleu de Blanc, an architectural and interior design studio based in Quimper, Brittany, where your dreams and ideas take shape in color and in reality. Driven by a passion for creating spaces that reflect both personality and purpose, Bleu de Blanc transforms every project into a unique and inspiring journey.

21 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

It is also possible to propose a partial mission which is limited to the general design and the administrative request.

Aside from the advisory visit, the first appointment is free of charge.

18 property type

Single-Family Homes

Passive House / Eco-friendly

13 type of work

Conversion

New Build

5 services

Design / Plans

Planning permission application

Architect page

Sarah Petrignet works on projects of all sizes, from the feasibility study / diagnostic visit to the submission of building permits and calls for tenders.

18 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

Architect page

One of the most renowned and experienced architects in France, Gerard Jalloul designs tailor-made projects, provides expert appraisals, building permits, and comprehensive monitoring, with a vision combining innovation, architectural quality, and professional excellence.

21 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

Architect page

TERRATROPIA is an architectural agency located in the Charmes area (88). @Its manager, Stéphane LEFEBVRE (DPLG architect since 2003) will be your ideal contact. @For any information and advice, do not hesitate to contact him.

18 property type

Single-Family Homes

Passive House / Eco-friendly

11 type of work

Conversion

New Build

6 services

Design / Plans

Planning permission application

20 achievements

DPLG architect since 1991 Philippe Fabre is APHF's main resource. He is surrounded on a case-by-case basis by specialized engineers and supported by colleagues. He has experience in various types of projects (ERP, housing) in France and internationally.

26 property type

Single-Family Homes

Passive House / Eco-friendly

17 type of work

Conversion

New Build

7 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

We find
the architect for you

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5 achievements

The Willerval et Associés Architecture Agency designs a variety of projects, from single-family homes to hotels, residences, office buildings, and towers in dense urban areas. This diversity strengthens our expertise and fuels a tailor-made approach, committed to each stage of the project.

19 property type

Single-Family Homes

Passive House / Eco-friendly

10 type of work

Conversion

New Build

4 services

Design / Plans

Planning permission application

Architect page

As a certified HMONP architect, I am passionate about my work. My expertise covers renovations and extensions as well as new construction, whether public or private, and at all scales.

20 property type

Single-Family Homes

Townhouses

13 type of work

Conversion

New Build

5 services

Design / Plans

Planning permission application

Architect page

20 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

From the sketch to the monitoring of works including the building permit, SIGMA3 ARCHITECTE supports you in all your types of projects. 

22 property type

Single-Family Homes

Passive House / Eco-friendly

14 type of work

Conversion

New Build

3 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

RELEV is a joyful and committed heritage architecture firm, specializing in the custom restoration of historic buildings. We work by hand, with you, to create something beautiful, fair, and meaningful.

10 property type

Single-Family Homes

Passive House / Eco-friendly

9 type of work

Conversion

Renovation

4 services

Design / Plans

Planning permission application

5 achievements

Kaza Architecture is a dynamic and creative agency based in Ajaccio.

For each project, we combine aesthetics and functionality, offering noble, environmentally friendly materials.

20 property type

Single-Family Homes

Passive House / Eco-friendly

16 type of work

Conversion

New Build

6 services

Design / Plans

Planning permission application

Architect page

Althea Architecture, founded in 2025, is a young, ambitious, and human-centered firm based near Strasbourg. Their vision looks toward the future: to create architecture that is thoughtful, sustainable, and meaningful.They work across a wide range of programs — residential, office, industrial, public facilities, and mixed-use projects — always with the same commitment: to find the most fitting, context-sensitive, and resource-conscious solution.Convinced that what already exists is valuable, they prioritize renovation over demolition, preserving what can be saved and giving new life to buildings. From feasibility studies to on-site supervision, they offer comprehensive project support, working with a trusted network of skilled partners to ensure coherent, high-quality results.

21 property type

Single-Family Homes

Passive House / Eco-friendly

12 type of work

Conversion

New Build

4 services

Design / Plans

Planning permission application

Ahora Architectes was born from the meeting of an architect and a construction engineer who combine their expertise in service of your building project, drawing on their own experience as well as that of their many partners (cost consultants, engineering offices, inspection bodies, health and safety coordinators, etc.).

10 property type

Retail

Hotels - Restaurants

12 type of work

Conversion

New Build

6 services

Design / Plans

Planning permission application