576 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.

Architecte in Lamastre 07270

Louise Ranc Architect offers personalized and tailored support, because each project is unique. Together, your project will take on meaning.

13 property type

Single-Family Homes

Chalets / Wooden Houses

Townhouses

11 type of work

Extension

New Build

Renovation

6 services

Design / Plans

Planning permission application

Construction Management

Architecte in Toulon 83000

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

Country Homes

13 type of work

Extension

New Build

Renovation

5 services

Design / Plans

Planning permission application

Construction Management

Architecte in Grigny 91350

Their experience gives them the ability to listen, engage in dialogue and provide responses that synthesize the expectations of the future users of the space, thereby offering a tailor-made project that meets their client’s functional and aesthetic needs. Projects are above all a collaborative effort between the architect and their clients. They are the ones who will ultimately use the space. A project should not be just an image; it must be able to support clients throughout their life journey.

11 property type

Single-Family Homes

Townhouses

Country Homes

9 type of work

Extension

New Build

Renovation

3 services

Design / Plans

Planning permission application

Construction Management

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Architecte in Paris 75011

Préambule Architecture is an architectural firm founded by Magali CHERMETTE and Loïc MORIN BOGAS, dedicated to creating sensitive, sustainable architecture rooted in its territory and contemporary context. Focused on architecture that is both durable and user-centered, the firm crafts a unique narrative for each project, responding to the needs of its users and the challenges of every context.

19 property type

Single-Family Homes

Passive House / Eco-friendly

Chalets / Wooden Houses

10 type of work

Extension

New Build

Renovation

4 services

Design / Plans

Planning permission application

Construction Management

Architecte in Paris 75009

HEROS creates sensitive and sustainable architecture, where history and contemporaneity engage in dialogue. Through materials, uses, and emotions, each project deeply reveals its site, respectful of life, attentive to context and needs, and designed to offer unique, timeless spaces.

20 property type

Single-Family Homes

Passive House / Eco-friendly

Chalets / Wooden Houses

10 type of work

Extension

New Build

Renovation

3 services

Design / Plans

Planning permission application

Construction Management

Architecte in Ecully 69130

Atelier OCTA conçoit depuis 2014 une architecture humaine, durable et sur mesure, mêlant construction raisonnée, rénovation, réemploi et créativité. Basée à Lyon, l’agence intervient partout en France sur des projets variés, du logement aux lieux recevant du public.

26 property type

Single-Family Homes

Passive House / Eco-friendly

Chalets / Wooden Houses

16 type of work

Extension

New Build

Renovation

6 services

Design / Plans

Planning permission application

Construction Management

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Architecte in Grasse 06130

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

Townhouses

13 type of work

Extension

New Build

Renovation

6 services

Design / Plans

Planning permission application

Construction Management

Architecte in Mont-Bernanchon 62350

YZAA Architecture supports both private clients and professionals in their construction, renovation, and design projects with a strong focus on sustainability, responsibility, and a human-centered approach. The firm designs spaces that are aesthetic, functional, and environmentally conscious, tailored to your needs.

From concept to completion, YZAA guides you through your projects with listening, creativity, and commitment—creating spaces that are meaningful and built for the future. See you soon!

19 property type

Single-Family Homes

Passive House / Eco-friendly

Chalets / Wooden Houses

16 type of work

Extension

New Build

Renovation

5 services

Design / Plans

Planning permission application

Construction Management

Architecte in Lyon 69005

CHART Architecte designs contemporary, understated, and sustainable architecture that is carefully tailored to its context, its users, and the use of bio-based and geo-based materials. Based in the Lyon region, the firm undertakes a wide variety of projects, including private homes, extensions, heritage renovations, transformations of existing buildings, and more technically demanding developments. Every project is guided by a commitment to spatial quality, natural light, and thoughtful construction.

8 property type

Single-Family Homes

Passive House / Eco-friendly

Chalets / Wooden Houses

6 type of work

Extension

New Build

Renovation

3 services

Planning permission application

Construction Management

Consulting

Architecte in Paris 75012

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

Chalets / Wooden Houses

17 type of work

Extension

New Build

Renovation

7 services

Design / Plans

Planning permission application

Construction Management