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 Marseille 13001

Architecture Firm
Specialists in Existing Structures and Innovation
Louis Oberti (Heritage Architect – HMONP)

Simon Terziano (DSA in Architecture and Heritage – HMONP)

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

Architecte in Pantin 93500

Graduated from EAVT in 2014, and HMONP in 2022, Gaspard CLOZEL divides his time between personal projects and independent collaborations, working on housing projects and small-scale facilities. He is interested in the way construction and usage constraints shape architectural form.

11 property type

Single-Family Homes

Passive House / Eco-friendly

Chalets / Wooden Houses

9 type of work

Extension

New Build

Renovation

2 services

Planning permission application

Construction Management

Architecte in Lambersart 59130

ECLA Architectures is an architecture, design, and project management agency that is both plural and distinctive. Founded by Romain DESMON, the agency operates across various fields related to construction, complete renovation, transformation, and space planning throughout the Hauts-de-France region.

25 property type

Single-Family Homes

Passive House / Eco-friendly

Chalets / Wooden Houses

16 type of work

Extension

New Build

Renovation

7 services

Design / Plans

Planning permission application

Construction Management

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Architecte in Bordeaux 33000

ALMA (Atelier Léa Monestier Architecte) is an architectural practice operating throughout the Nouvelle-Aquitaine region. Through a relationship built on trust, collaboration, and attentive listening, the agency develops tailored solutions that transform its clients’ ambitions into sustainable and meaningful spaces. Combining architectural expertise, design, and project management, ALMA creates places that are functional, sensitive, and built to stand the test of time.

17 property type

Single-Family Homes

Chalets / Wooden Houses

Townhouses

10 type of work

Extension

New Build

Renovation

4 services

Design / Plans

Planning permission application

Construction Management

Architecte in Bastia 20200

An experienced architect, Élodie Tisserand encourages a global approach from the exterior of a building to the smallest details of the interior architecture. This architectural technique allows her to bring out the full depth of the project's potential and to design a unique work in collaboration with the client.

27 property type

Single-Family Homes

Passive House / Eco-friendly

Chalets / Wooden Houses

17 type of work

Extension

New Build

Renovation

6 services

Design / Plans

Planning permission application

Construction Management

Architecte in Lyon 69009

With varied experience and know-how in eco-design, the JAR workshop supports you with your new or old projects, public and private, in order to create together the response that suits you!

12 property type

Single-Family Homes

Passive House / Eco-friendly

Chalets / Wooden Houses

14 type of work

Extension

New Build

Renovation

5 services

Design / Plans

Planning permission application

Construction Management

Together
we can define your project

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On trouve l'architecte pour vous

Architecte in Le GIVRE 85540

CAP37 is a small architectural agency specializing in the renovation, rehabilitation and restoration of old buildings. It is a structure on a human scale putting the notions of proximity and roots at the heart of its practice.

7 property type

Single-Family Homes

Chalets / Wooden Houses

Townhouses

10 type of work

Extension

Renovation

Energy renovation

6 services

Design / Plans

Planning permission application

Construction Management

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 Saint-Gély-du-Fesc 34980

Experience and Serenity

Since 1988, Hervé RABINEAU has been designing all types of private and professional buildings for his clients. He works extensively with private individuals, creating new villas and supporting them throughout their rehabilitation, extension, or renovation projects.

23 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

5

Architecte in Grenade 31330

RéflexeS Architecture was founded in September 2019. The architecture studio is particularly drawn to work on existing buildings, where it makes the most of each constraint involved, as well as projects in restricted environments requiring an astute, optimised architectural design. The studio also believes in the principle of "co-construction" with their clients.  

12 property type

Single-Family Homes

Townhouses

Country Homes

12 type of work

Extension

New Build

Renovation

5 services

Design / Plans

Planning permission application

Construction Management