536 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.

Architecte in La Trinité-sur-Mer 56470

The agency develops creative, functional architecture that respects Breton heritage. Based in Morbihan, it combines a humanist approach, vernacular reinterpretation, landscape integration, and budgetary control, with constant attention to the environment, local culture, and customs.

17 property type

Single-Family Homes

Passive House / Eco-friendly

Chalets / Wooden Houses

13 type of work

Conversion

New Build

Renovation

6 services

Design / Plans

Planning permission application

Construction Management

Architecte in Uriage 38410

L’Agence Spatiale is an architecture and interior design firm focused on eco-design, located in Uriage near Grenoble, in the Auvergne-Rhône-Alpes region. It works on renovation, extension, elevation, construction, and interior design projects.

17 property type

Single-Family Homes

Passive House / Eco-friendly

Chalets / Wooden Houses

15 type of work

Conversion

New Build

Renovation

6 services

Design / Plans

Planning permission application

Construction Management

Architecte in Hœnheim 67800

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

Chalets / Wooden Houses

12 type of work

Conversion

New Build

Renovation

4 services

Design / Plans

Planning permission application

Construction Management

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Architecte in Monticello 20220

Atelier Barrachina is an architecture studio founded in 2023, working on renovation, new construction and development projects for private and public clients. Each project is based on a careful reading of the existing context, site and uses. Thanks to a dual background in architecture and spatial design, the studio designs tailor-made projects conceived in their entirety. It offers comprehensive support, from design to administrative procedures and site supervision, within a relationship of proximity and trust.

25 property type

Single-Family Homes

Passive House / Eco-friendly

Chalets / Wooden Houses

14 type of work

Conversion

New Build

Renovation

5 services

Design / Plans

Planning permission application

Construction Management

5

Architecte in Héric 44810

ARCHI’MAKER is an architecture firm based in the Nantes region, promoting the use of bio-based materials and bioclimatic architecture. Located in Héric, the agency operates within a 50 km radius on various types of projects, including residential buildings (new and renovation), offices, and public facilities. It supports you from design through to project handover.

17 property type

Single-Family Homes

Passive House / Eco-friendly

Chalets / Wooden Houses

8 type of work

Conversion

New Build

Renovation

4 services

Design / Plans

Planning permission application

Construction Management

Architecte in Annecy 74940

Quentin HERRGOTT’s architectural firm has been established in the Annecy region since 1999 and has completed a large number of new-build and renovation projects, ranging from individual homes to collective residential developments. The agency has significant experience in restructuring projects and major renovations of villas, whether old or contemporary. Attentive to his clients, Quentin provides valuable advice and seeks to optimize budgets in favor of coherent and meaningful architecture.

25 property type

Single-Family Homes

Passive House / Eco-friendly

Chalets / Wooden Houses

16 type of work

Conversion

New Build

Renovation

7 services

Design / Plans

Planning permission application

Construction Management

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Architecte in Villefranche-sur-Saône 69400

HYTT is an architecture and landscape design agency based in Villefranche-sur-Saône, at the crossroads of the Beaujolais region, the Saône Valley, the Ain department, and the Lyon metropolitan area. The agency supports private clients (individuals, businesses, professionals, developers, etc.) and public clients (local authorities and public bodies) on projects of various scales, including new construction, rehabilitation, extensions, transformations, and landscape developments

23 property type

Single-Family Homes

Passive House / Eco-friendly

Chalets / Wooden Houses

12 type of work

Conversion

New Build

Renovation

7 services

Design / Plans

Planning permission application

Construction Management

Architecte in Montpellier 34000

ADRIEN CLÉMENT ARCHITECTURE is an architectural firm based in Montpellier, in the south of France. It works on all types of projects, both new construction and renovation. Adrien Clément takes a pragmatic approach to architectural projects in order to tackle the complex issues that arise when creating a project. He strives to bring awareness and uniqueness to each of his designs.

13 property type

Single-Family Homes

Passive House / Eco-friendly

Chalets / Wooden Houses

14 type of work

Conversion

New Build

Renovation

5 services

Design / Plans

Planning permission application

Construction Management

Architecte in Bordeaux 33000

Romain Perdrix, Architect DE & HMONP, installed in Bordeaux since 2016, accompanies you in all your construction, extension and renovation projects.

18 property type

Single-Family Homes

Passive House / Eco-friendly

Chalets / Wooden Houses

6 type of work

Conversion

New Build

Renovation

4 services

Design / Plans

Planning permission application

Construction Management

Architecte in Sartrouville 78500

Emilio Gonzalez, an architect located in the Ile-de-France region, carries out projects for new houses, extensions and extensions as well as tertiary sector projects for individuals and SMEs. This architect has also recently developed his activity in Spain.

9 property type

Single-Family Homes

Passive House / Eco-friendly

Chalets / Wooden Houses

8 type of work

Conversion

New Build

Renovation

4 services

Design / Plans

Planning permission application

Construction Management