577 architects Vertical expension

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Architect for a Roof Raise

Is your home becoming too small? A roof raise — or vertical extension — could be the ideal solution to increase your home's living area. Whether to accommodate a growing family or to make up for purchasing a property that is too small, the reasons homeowners choose this option are many.

Whatever the case, a roof raise offers the possibility of adding extra square footage without sacrificing a terrace or garden, as is sometimes the case with a traditional side extension.

However, raising the roof is a complex undertaking that requires the involvement of a specialist architect in this field.

Why is it advisable to hire a specialist architect for a roof raise?

Having an architect on board is a major asset, as raising the roof is far more involved than adding a ground-level extension to a terrace.

This type of work means touching the very structure of the building and carefully analysing the original construction to determine whether the addition is feasible. The foundations and load-bearing walls must be able to support the additional structure — or will need to be reinforced.

Here are the main reasons to call on a specialist architect for a roof raise:

Technical constraints involved in the works
A roof raise is an increasingly sought-after solution in high-density urban areas, where horizontal construction is difficult. However, it requires a feasibility study and depends heavily on the quality of the existing foundations and structure. A soil survey is also necessary to ensure the long-term durability of the new construction. A specialist architect in roof raises has the knowledge and expertise required to successfully carry out this type of project.

Compliance with current regulations
A specialist architect in roof raises is well-versed in the regulations applicable in each region of France. Maximum height, number of permitted storeys — there are strict rules governing how high a property can be raised. A precise set of specifications must be adhered to.
An architect saves you valuable time by thoroughly assessing your project and proposing a plan that complies with the rules of your town or municipality.

Professional guidance in redistributing space
Following a roof raise, it is sometimes necessary to rethink the layout of your home. While the existing spaces may remain unchanged, it can be necessary to modify them — for instance, to add a staircase or relocate certain rooms, such as bedrooms, to the newly created upper level.
An architect advises and supports their clients in arranging the new spaces, with the aim of creating a home that is both practical and pleasant to live in.

5 achievements

Architect page

“High five”, an expression borrowed from the realm of sports, represents the interaction between multiple individuals celebrating the achievement of a common goal. This kind of team spirit is precisely what architect Yann Melan wished to infuse into his firm High Five Architecture, located in Fréjus on the Côte d’Azur. 

17 property type

Single-Family Homes

Passive House / Eco-friendly

6 type of work

Vertical expension

New Build

4 services

Design / Plans

Planning permission application

Florian Asseline is a HMONP architect and graduate of the National Institute of Applied Sciences of Strasbourg. After several years working as a project manager with the firm of Rudy Ricciotti, the architect decided to found his own architecture practice, Florian Asseline Architecte, in Bayonne in the Nouvelle-Aquitaine region of France. 

10 property type

Single-Family Homes

Passive House / Eco-friendly

7 type of work

Vertical expension

New Build

3 services

Design / Plans

Planning permission application

6 achievements

David Calle has all the necessary knowledge and experience to successfully carry out your project. Mindful that habits change, he adapts architecture to perfectly fit our new ways of life. 

18 property type

Single-Family Homes

Passive House / Eco-friendly

12 type of work

Vertical expension

New Build

6 services

Design / Plans

Planning permission application

3 achievements

FABRE ANDREOTTI ARCHITECTURE is an architectural agency based in Pessac, France. It stands out for its dynamic approach and the diversity of its skills, all of which enable it to undertake a wide range of projects. Ludovic Fabre Andreotti is passionate about helping his clients turn their ideas into reality and designing the project of a lifetime.

13 property type

Single-Family Homes

Passive House / Eco-friendly

9 type of work

Vertical expension

New Build

4 services

Design / Plans

Planning permission application

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Atelier R2 is a multidisciplinary architectural agency working for individuals and professionals in various fields of housing, tertiary, medical, photovoltaic energy, etc.

11 property type

Single-Family Homes

Apartment

10 type of work

Vertical expension

New Build

2 services

Design / Plans

Planning permission application

Architect page

The Or de Terre workshop specializes in bioclimatic design and the use of eco-responsible materials (local and natural resources), both in the rehabilitation of old buildings and in new eco-responsible constructions for individuals, associations and professionals.

23 property type

Single-Family Homes

Passive House / Eco-friendly

14 type of work

Vertical expension

New Build

7 services

Design / Plans

Planning permission application

Architect page

Laurent TEPPET and the ARCH-ANGE company are at your disposal to understand your needs and carry out your project according to your expectations.

Individual house, renovation, business…

Your project will be ours.

18 property type

Single-Family Homes

Passive House / Eco-friendly

13 type of work

Vertical expension

New Build

5 services

Design / Plans

Planning permission application

2 achievements

Architect page

Welcome to Bleu de Blanc, an architectural and interior design studio based in Quimper, Brittany, where your dreams and ideas take shape in color and in reality. Driven by a passion for creating spaces that reflect both personality and purpose, Bleu de Blanc transforms every project into a unique and inspiring journey.

21 property type

Single-Family Homes

Passive House / Eco-friendly

16 type of work

Vertical expension

New Build

7 services

Design / Plans

Planning permission application

Together
we can define your project

Make a free appointment with our specialist advisor.

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3 achievements

Aurélien Gosset Architecte supports you in carrying out a quality project, in your image, from the sketch to delivery of the site.

7 property type

Single-Family Homes

Townhouses

7 type of work

Vertical expension

New Build

6 services

Design / Plans

Planning permission application

21 achievements

A passionate architecture firm based in Marseille, Hept’Arts designs spaces that reflect who you are. At Hept’Arts, we don’t just create buildings, we shape living environments filled with light and emotion. Combining attentive listening, thermal expertise, and 3D design, the agency supports you step by step to build a unique and sustainable legacy together.

22 property type

Single-Family Homes

Passive House / Eco-friendly

7 type of work

Vertical expension

New Build

7 services

Design / Plans

Planning permission application

5 achievements

RAPHAËL SAMUEL ARCHITECTURE is a young and dynamic firm with 12 years of experience. Its primary goal is to place its client at the center of the project and create a unique solution for them!

26 property type

Single-Family Homes

Passive House / Eco-friendly

15 type of work

Vertical expension

New Build

7 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

Vertical expension

New Build

6 services

Design / Plans

Planning permission application

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1 achievement

The Hauss architecture firm creates bespoke projects, combining high standards with uniqueness. Attentive to each context, it works on a variety of projects, from design to delivery.

15 property type

Single-Family Homes

Passive House / Eco-friendly

11 type of work

Vertical expension

New Build

5 services

Design / Plans

Planning permission application

Whether you are an individual or a professional, Atelier Matteo Sandro is here to listen to you and bring your projects to life with creativity, rigor and sensitivity, by creating unique places, in harmony with your identity, your needs and your budget.

21 property type

Single-Family Homes

Passive House / Eco-friendly

17 type of work

Vertical expension

New Build

6 services

Design / Plans

Planning permission application

Architect page

20 property type

Single-Family Homes

Passive House / Eco-friendly

13 type of work

Vertical expension

New Build

6 services

Design / Plans

Planning permission application

4 achievements

Architect page

Chlôme Architecture, your partner for high-end architectural projects and renovations in the Annecy and Bordeaux areas .

8 property type

Single-Family Homes

Chalets / Wooden Houses

13 type of work

Vertical expension

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

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

13 type of work

Vertical expension

New Build

4 services

Design / Plans

Planning permission application

4 achievements

CLAC – Compagnie Libre d’Architectures Communes – was founded by architects Mathilde Floureux and Maryline Collet in Montpellier. Driven by a shared passion for collaboration and collective creation, the agency designs living and working spaces where people, teamwork, and sustainable architecture are at the heart of every project.

19 property type

Single-Family Homes

Passive House / Eco-friendly

14 type of work

Vertical expension

New Build

6 services

Design / Plans

Planning permission application

5 achievements

Kaza Architecture is a dynamic and creative agency based in Ajaccio.

For each project, we combine aesthetics and functionality, offering noble, environmentally friendly materials.

20 property type

Single-Family Homes

Passive House / Eco-friendly

16 type of work

Vertical expension

New Build

6 services

Design / Plans

Planning permission application

3 achievements

Architect page

Numen Architecture supports individuals and professionals in creating bespoke, sustainable projects perfectly tailored to their needs — from homes to offices, retail spaces, and public facilities. With over 10 years of experience, each project stems from a custom, sustainable, and collaborative approach that respects budgets and deadlines, while revealing the full potential of each site to deliver a space that truly reflects you.

19 property type

Single-Family Homes

Passive House / Eco-friendly

14 type of work

Vertical expension

New Build

5 services

Design / Plans

Planning permission application