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 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

Architecte in Aix-en-Provence 13090

Beyond the act of covering and enclosing a space, Harout Ohanian defines architecture as the art of bringing elements together to materialise an idea. He creates architecture that is full of life, in continual vibrant resonance with its surroundings, its occupant and itself.

17 property type

Single-Family Homes

Passive House / Eco-friendly

Chalets / Wooden Houses

12 type of work

Extension

New Build

Renovation

4 services

Design / Plans

Planning permission application

Construction Management

Architecte in Sèvres 92310

Individually or in collaboration with other teams, Gecele Architecture provides expertise from the study of the project to its execution, paying particular attention to cost control and construction deadlines.

10 property type

Multi-unit Residential

Retail

Hotels - Restaurants

7 type of work

Extension

New Build

Renovation

5 services

Design / Plans

Planning permission application

Construction Management

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Architecte in Chauffours 28120

APMH ARCHITECTURE is registered with the Order of Architects of the Centre-Val de Loire region. It is based in the 28 department, near Chartres.

It operates over a wide area, depending on the type of project.

8 property type

Single-Family Homes

Apartment

Multi-unit Residential

9 type of work

Extension

New Build

Renovation

3 services

Design / Plans

Planning permission application

Construction Management

Architecte in Mers-sur-Indre 36230

Clémence Doyon is an architect and manager of Presles Architecture. She assists you with your construction or renovation projects for your main or secondary home and with the completion of work in your offices or industry.

19 property type

Single-Family Homes

Passive House / Eco-friendly

Townhouses

13 type of work

Extension

New Build

Renovation

6 services

Design / Plans

Planning permission application

Construction Management

Architecte in Saint-Céré 46400

Franco-Spanish architectural firm working between the northern Lot region and Toulouse.

Generalist practice on all types of projects and scales, in new construction, renovation, refurbishment, and interior design.

The firm's projects strive to be understated, well-situated, and attentive to their surroundings.

17 property type

Single-Family Homes

Passive House / Eco-friendly

Chalets / Wooden Houses

13 type of work

Extension

New Build

Renovation

6 services

Design / Plans

Planning permission application

Construction Management

Together
we can define your project

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Architecte in Sauveterre-de-Rouergue 12800

APA is an architecture and project management studio established in a rural environment, with Benoît De Cillia in Puget-Théniers and Coline Le Poëc in Sauveterre-de-Rouergue. Its existence stems from the desire to bring architectural quality and well-being closer to clients and into every project, regardless of its scale. To achieve this, APA commits with conviction, step by step, from the initial concept to the execution of the works entrusted to them.

18 property type

Single-Family Homes

Passive House / Eco-friendly

Chalets / Wooden Houses

16 type of work

Extension

Renovation

Energy renovation

6 services

Design / Plans

Planning permission application

Construction Management

Architecte in Biscarrosse 40600

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

Chalets / Wooden Houses

10 type of work

Extension

New Build

Renovation

3 services

Design / Plans

Planning permission application

Construction Management

Architecte in Courbevoie 92400

An architect graduated from the École Spéciale d’Architecture and holder of the HMONP qualification, Alexandra BELLANGER founded her agency in 2021 after several years of experience in the renovation of offices, restaurants and residential properties. Specialised in enhancing Parisian heritage, she supports her clients through every stage of their project, from design to completion, with a personalised and rigorous approach.

8 property type

Single-Family Homes

Townhouses

Country Homes

8 type of work

Extension

New Build

Renovation

7 services

Design / Plans

Planning permission application

Construction Management

Architecte in La Seyne-sur-Mer 83500

Stéphanie DEYRIS-MOUTTE, both a DPLG architect and interior design graduate, assists her clients in the design, renovation, and transformation of their spaces — from private homes to public buildings — with a rigorous, sensitive, and sustainable approach. She is highly attentive to her clients’ expectations and deeply respectful of their wishes and needs. Her professional background has allowed her to acquire a wide range of skills across diverse fields, enabling her to successfully respond to a broad variety of projects.

21 property type

Single-Family Homes

Passive House / Eco-friendly

Chalets / Wooden Houses

15 type of work

Extension

New Build

Renovation

6 services

Design / Plans

Planning permission application

Construction Management