607 architects Extension

Extension Architect

A home is one of the most precious assets a person can own. Taking care of it is akin to taking care of oneself. A true living space, a home adapts to the needs of its owners and sometimes requires work to be carried out — including the addition of an extension.

Whether built to gain extra living space, attached to the existing home, or added as an upper storey, an extension serves more than one purpose.

To achieve a functional home extension that matches your vision, a specialist architect is your greatest ally.

Why choose a specialist architect for your home extension?

An architect is not always mandatory for a home extension project. However, calling on this building, construction, and renovation professional brings a number of significant advantages.

An extension in harmony with your home
Adding an extension to your home comes with many challenges. The first is creating a space that is in perfect harmony with your existing home and living environment. Whether in terms of exterior or interior cohesion, working with an architect allows you to choose the type of extension, the materials, and the construction style — ensuring the new space integrates seamlessly with your home.

A project tailored to your budget
A home extension is a project that requires careful planning from the outset. Between site preparation, materials, and labour, expanding your living space requires a considerable budget.

An architect can assist you as the project manager. They design the plans, oversee the works, and coordinate the various tradespeople — all while working within your budget. The best way to avoid unwelcome surprises.

Achieving a functional and practical space
A home extension is more than just extra floor space attached to a main building or added on top of it. Above all, it must be functional and comfortable. Whether it's a conservatory, a garage, or an additional room, the specialist architect carries out the work so that the extension fulfils its primary purpose.

Insulation, natural light, electrical wiring, built-in storage — your new room is immediately ready to use.

HMONP architect based in Saône-et-Loire, Paul DORMONT combines expertise in historic buildings with bioclimatic construction. As a certified drone pilot, he carries out surveys, inspections, and visual monitoring, supporting private clients, communities, and businesses—from consulting to full missions including site supervision.

19 property type

Single-Family Homes

Passive House / Eco-friendly

12 type of work

Extension

New Build

6 services

Design / Plans

Planning permission application

Architect page

Serving both private individuals and professionals, Oyat Atelier offers a solid foundation, rigorous design, and creative freedom that allows each project to find its natural form. With fifteen years of experience across diverse fields—education, office and commercial spaces, collective housing, healthcare, cultural facilities, and single-family homes—the studio supports every project with rigor, inventiveness, and a human-centered approach built on trust. Oyat Atelier designs sustainable, harmonious, and fully bespoke spaces.

15 property type

Single-Family Homes

Passive House / Eco-friendly

10 type of work

Extension

New Build

3 services

Design / Plans

Planning permission application

1 achievement

JP BARBOSA ARCHITECTE supports you throughout all your construction, renovation, extension, and bioclimatic improvement projects, helping you reduce energy consumption and create spaces that truly suit your needs.

From expertise and initial sketches to building permits, contractor consultations, cost management, and site supervision, B.A. provides complete support throughout every stage of your project.

25 property type

Single-Family Homes

Passive House / Eco-friendly

12 type of work

Extension

New Build

7 services

Design / Plans

Planning permission application

19 achievements

A graduate of the École Nationale Supérieure d’Architecture de Paris-Malaquais, Jessica BARANES has built her practice around a strong conviction: architecture should not merely respond to constraints—it should transform them into opportunities for quality and innovation.

27 property type

Single-Family Homes

Passive House / Eco-friendly

17 type of work

Extension

New Build

7 services

Design / Plans

Planning permission application

We find
the architect for you

Search
On trouve l'architecte pour vous

The creation of spaces with functional quality, combined with the perfect touch of distinctive character, continually drives and enriches curiosity and savoir-faire of the team at M associés architectes. The inherent constraints involved in the act of building (whether technical or regulatory) become a catalyst for creativity, founded in good sense.

8 property type

Single-Family Homes

Passive House / Eco-friendly

11 type of work

Extension

New Build

4 services

Design / Plans

Planning permission application

3 achievements

Architect page

Rémi Jenta is a skilled and dynamic architect who offers tailor-made services to his clients. He focuses his architectural efforts on human values and the discovery of the other.

21 property type

Single-Family Homes

Passive House / Eco-friendly

17 type of work

Extension

New Build

4 services

Design / Plans

Planning permission application

8 achievements

An architect based in the Bordeaux region, Catherine Benoit likes to propose a contemporary and functional architectural style that meets the specific wishes of the client. Her creations stand out for their aesthetics and their sustainable dimension.

24 property type

Single-Family Homes

Passive House / Eco-friendly

15 type of work

Extension

New Build

5 services

Design / Plans

Planning permission application

1 achievement

Nicolas KUEHN è un architetto DPLG della regione Grand-Est. Versatile, attento ed esperto, contate su di lui per il successo del vostro progetto.

12 property type

Single-Family Homes

Passive House / Eco-friendly

10 type of work

Extension

New Build

4 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

Boomerang & Macadam is an architectural agency based in Pertuis. We like to approach the project in its entirety, highlighting all the elements that make it unique.

16 property type

Single-Family Homes

Passive House / Eco-friendly

10 type of work

Extension

New Build

5 services

Design / Plans

Planning permission application

3 achievements

Architect page

An experienced architect, Laure Pettier assists private individuals and professionals in the realisation of their project, while respecting their wishes and their budget.

13 property type

Single-Family Homes

Chalets / Wooden Houses

11 type of work

Extension

New Build

4 services

Design / Plans

Planning permission application

6 achievements

Alain Veyssière, your architect, can work with you on any type of project, whether it's a new build, renovation, elevation or extension, whatever the private or public client (industry, craftsman, private individual, school, etc.).

21 property type

Single-Family Homes

Passive House / Eco-friendly

15 type of work

Extension

New Build

6 services

Design / Plans

Planning permission application

9 achievements

Atelier Alma, architecture and interior design agency, designs and carries out residential, commercial, hotel, catering and ERP CHR projects, offering complete expertise in these areas.

12 property type

Single-Family Homes

Apartment

8 type of work

Extension

New Build

4 services

Design / Plans

Planning permission application

We find
the architect for you

Search
On trouve l'architecte pour vous

Atelier Spontané Architecture designs unique spaces that reflect the needs of clients. Timothé MARCEAU, member of the Order of Architects, puts his expertise at the service of your projects to create architecture inspired by contemporary French and Japanese references.

26 property type

Single-Family Homes

Passive House / Eco-friendly

15 type of work

Extension

New Build

6 services

Design / Plans

Planning permission application

3 achievements

SYNTAXE is a happy collaboration between two passionate architects with complementary backgrounds.

We support you in your projects on capacity studies, on design studies from the sketch to the construction site, on AMO missions (on habitability and mixed programs).

5 property type

Multi-unit Residential

Retail

10 type of work

Extension

New Build

6 services

Design / Plans

Planning permission application

3 achievements

Architect page

Souchko Architecture combines diversity and respect for heritage by designing a variety of projects, from small public facilities to private housing. The agency draws inspiration from the past to create modern, harmonious architectures in continuity with their environment.

15 property type

Single-Family Homes

Passive House / Eco-friendly

10 type of work

Extension

New Build

5 services

Design / Plans

Planning permission application

1 achievement

Architect page

Architectural agency based in Colmar, carrying out all types of projects (new, renovation, housing, offices, commercial, agricultural, industrial, etc.), from the town planning file mission to monitoring the work in full mission.

21 property type

Single-Family Homes

Passive House / Eco-friendly

17 type of work

Extension

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

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

Extension

New Build

6 services

Design / Plans

Planning permission application

4 achievements

The MH Architecte agency has been established in Burgundy since 2014 and is managed by Pascal Mwemanani-Hiebel, DPLG architect. He has surrounded himself with a network of diverse collaborators who work on projects according to the requirements of the missions.

20 property type

Single-Family Homes

Passive House / Eco-friendly

17 type of work

Extension

New Build

6 services

Design / Plans

Planning permission application

Architect page

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

15 type of work

Extension

New Build

6 services

Design / Plans

Planning permission application

1 achievement

Architect page

A creative and analytical architect, Robin BESSON designs optimized, luminous, and intuitive spaces inspired by a systemic approach rooted in his research. He supports his clients with attentive listening and precision, transforming each project into a harmonious, efficient, and deeply human place where aesthetics, functionality, and well-being naturally reinforce one another.

9 property type

Single-Family Homes

Passive House / Eco-friendly

11 type of work

Extension

New Build

6 services

Design / Plans

Planning permission application