543 architects Vertical expension

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.

Architecte in Houdan 78550

The Clarté architecture studio has been established since 2020 by the architect Romain LAGAR. It is aimed at private individuals, developers and public decision-makers, for all new construction, rehabilitation, renovation, extension and elevation projects, from the sketch to the acceptance of the work.

25 property type

Single-Family Homes

Passive House / Eco-friendly

Chalets / Wooden Houses

15 type of work

Vertical expension

New Build

Renovation

7 services

Design / Plans

Planning permission application

Construction Management

Architecte in Orvault 44700

HAMAC Architecture designs and carries out any project for individuals and professionals (new construction, extension, renovation, etc.) in full or partial assignment. An architecture that listens to its times, your desires and your uses, to meet your expectations.

11 property type

Single-Family Homes

Passive House / Eco-friendly

Chalets / Wooden Houses

15 type of work

Vertical expension

New Build

Renovation

5 services

Design / Plans

Planning permission application

Construction Management

Architecte in Cagnes-sur-Mer 06800

Born from the association of two partners with complementary backgrounds, CALADA architects supports you on all your new construction or renovation projects, from studies to construction site. Sensitive, rigorous and attentive, the agency strives to transcribe the desires of its

17 property type

Single-Family Homes

Chalets / Wooden Houses

Townhouses

12 type of work

Vertical expension

New Build

Renovation

3 services

Design / Plans

Planning permission application

Construction Management

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Architecte in La Voulte-sur-Rhône 07800

Created in 2012 by Isabelle Roye Vandeville has developed unique know-how in the design and implementation of construction and renovation projects. In order to extend throughout the country, the agency has two offices: Valence and Lille.

17 property type

Single-Family Homes

Passive House / Eco-friendly

Chalets / Wooden Houses

13 type of work

Vertical expension

New Build

Renovation

3 services

Design / Plans

Planning permission application

Consulting

Architecte in L'Isle-Adam 95290

Graduated from DESA Special School of Architecture. Postgraduate diploma specializing in DESS in architectural and urban acoustics.

Combining simplicity, art, technicality, listening to your projects.

I am involved in different projects:

Construction of an individual house, collective housing, medical office, extension projects, elevation, rehabilitation and interior redevelopment.

17 property type

Single-Family Homes

Passive House / Eco-friendly

Townhouses

15 type of work

Vertical expension

New Build

Renovation

5 services

Design / Plans

Planning permission application

Construction Management

Architecte in Saint-Sernin-du-Bois 71200

HMONP architect based in Saône-et-Loire, Paul DORMONT combines expertise in historic buildings with bioclimatic construction. As a certified drone pilot, he carries out surveys, inspections, and visual monitoring, supporting private clients, communities, and businesses—from consulting to full missions including site supervision.

19 property type

Single-Family Homes

Passive House / Eco-friendly

Townhouses

12 type of work

Vertical expension

New Build

Renovation

6 services

Design / Plans

Planning permission application

Construction Management

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Architecte in La Trinité-sur-Mer 56470

The agency develops creative, functional architecture that respects Breton heritage. Based in Morbihan, it combines a humanist approach, vernacular reinterpretation, landscape integration, and budgetary control, with constant attention to the environment, local culture, and customs.

17 property type

Single-Family Homes

Passive House / Eco-friendly

Chalets / Wooden Houses

13 type of work

Vertical expension

New Build

Renovation

6 services

Design / Plans

Planning permission application

Construction Management

Architecte in Vannes 56000

Studio Iroko is an architecture agency specialized in the design of sustainable buildings. The team is at your disposal to discuss your construction, renovation, or extension project.

13 property type

Single-Family Homes

Passive House / Eco-friendly

Chalets / Wooden Houses

6 type of work

Vertical expension

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

Vertical expension

New Build

Renovation

2 services

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

Vertical expension

New Build

Renovation

6 services

Design / Plans

Planning permission application

Construction Management