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.

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Architecte in Noisy-le-Grand 93160

JIKA ARCHITECTURE's vision is to create sustainable, intelligent, and harmonious spaces — with attentiveness and closeness, rigor and creativity, but also with a strong environmental commitment.

15 property type

Single-Family Homes

Passive House / Eco-friendly

Chalets / Wooden Houses

13 type of work

Extension

New Build

Renovation

4 services

Design / Plans

Planning permission application

Construction Management

Architecte in Annecy 74000

Bossonney Architecture is an Annecy-based firm with 15 years of experience, operating across Haute-Savoie with a network of highly skilled local craftsmen. The firm supports all types of projects—renovation, extension, new construction, interior design, or consulting, with a commitment to quality, precision, and personalized guidance.

16 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

Architecte in Antibes 06600

Colorama Design is an architecture studio created by Coline MARGUIN, based in Antibes. Construction, renovation, interior and exterior design projects, for private and professional clients. Sensitive to traditional techniques and craftsmanship, the studio adopts an approach that is both highly creative and pragmatic, offering unique and original solutions tailored to each project.

27 property type

Single-Family Homes

Passive House / Eco-friendly

Chalets / Wooden Houses

15 type of work

Extension

New Build

Renovation

5 services

Design / Plans

Planning permission application

Construction Management

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Architecte in Livarot-Pays-d'Auge 14140

Sandrine Suignard, an architect, founded her practice in 2009 after living in the Netherlands. She's responsive, attentive, and open to dialogue with her clients. Her architecture aims to reflect your personality.

25 property type

Single-Family Homes

Passive House / Eco-friendly

Chalets / Wooden Houses

13 type of work

Extension

New Build

Renovation

5 services

Design / Plans

Planning permission application

Construction Management

Architecte in Sète 34200

An experienced architect, Pascal Fontaine can offer you the benefit of his experience to support you throughout your project, from the initial sketches right through to completion.

14 property type

Single-Family Homes

Passive House / Eco-friendly

Chalets / Wooden Houses

9 type of work

Extension

New Build

Renovation

5 services

Design / Plans

Planning permission application

Construction Management

Architecte in Sautron 44880

Dynamic and enthusiastic, Pierre Angebault likes to get involved in projects and adapt them to the location. The architectural bias can be strong or subtle; These are the intentions that will guide his choices during the design process.

18 property type

Single-Family Homes

Passive House / Eco-friendly

Chalets / Wooden Houses

7 type of work

Extension

New Build

Renovation

3 services

Design / Plans

Planning permission application

Construction Management

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Architecte in Biarritz 64200

LetH architecture was born to develop a culture of exchanges and meetings which constitutes the real starting point for architectural reflection aimed at bringing buildings into resonance with their environment.

19 property type

Single-Family Homes

Passive House / Eco-friendly

Chalets / Wooden Houses

8 type of work

Extension

New Build

Renovation

3 services

Design / Plans

Planning permission application

Construction Management

Architecte in Arles 13200

MARIELOUISE is an architectural firm founded in 2021 by Emma Rigoulot and Maxence Mompeu-Lebel in Arles.

Honest and conscientious projects, well-thought-out and well-constructed.

20 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

Architecte in Lamalou-les-Bains 34240

Architect, he has also developed expertise in general contracting, relying on the strength and structure of the LES ARCHITECTEURS group. This dual approach—architectural design and turnkey project delivery—allows him to offer his clients comprehensive control over their projects.

25 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

Architecte in Saint-Thibéry 34630

A Latin American architect based in France, I design sensitive and functional architecture, nourished by a rich European and field experience, between high mountains and varied projects.

16 property type

Single-Family Homes

Townhouses

Country Homes

17 type of work

Extension

New Build

Renovation

7 services

Design / Plans

Planning permission application

Construction Management