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 Paris 75008

Architecture / Consulting / Engineering

Summa is an agency that does not hesitate to think outside the box, offering you tailor-made services.

8 property type

Single-Family Homes

Townhouses

Apartment

13 type of work

Vertical expension

New Build

Renovation

7 services

Design / Plans

Planning permission application

Construction Management

Architecte in Valorbiquet 14290

ATELIER BONOBO is an architecture studio based between Lisieux and Orbec, working on all types of projects — new construction, renovation, and rehabilitation.
Its architect approaches each project with a pragmatic mindset, addressing the complex challenges inherent in architectural creation while striving to bring sensitivity and uniqueness to every design.

20 property type

Single-Family Homes

Passive House / Eco-friendly

Chalets / Wooden Houses

13 type of work

Vertical expension

New Build

Renovation

5 services

Design / Plans

Planning permission application

Construction Management

Architecte in La Garenne-Colombes 92250

JCA GCA is an architectural practice that combines the complementary experience of two architects. It embraces a broad programmatic scope—public facilities, housing, renovation and heritage enhancement—with the ambition of developing narratives in close dialogue with the sites in which they operate.

15 property type

Single-Family Homes

Townhouses

Country Homes

10 type of work

Vertical expension

New Build

Renovation

3 services

Design / Plans

Planning permission application

Home pre-purchase advice

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Architecte in LES HOUCHES 74310

Société d'Architecture inscrite à l'Ordre des Architectes sous le matricule S00877, la Ste SACEB ( Architecture -Coordination et Économie du Bâtiment) a été créée en 1984. Depuis elle a édifié de nombreuses constructions diverses au fil des années, lui apportant ainsi une longue expéri

20 property type

Single-Family Homes

Passive House / Eco-friendly

Chalets / Wooden Houses

8 type of work

Vertical expension

New Build

Renovation

6 services

Design / Plans

Planning permission application

Construction Management

Architecte in Sainte-Hélène-du-Lac 73800

Ahora Architectes was born from the meeting of an architect and a construction engineer who combine their expertise in service of your building project, drawing on their own experience as well as that of their many partners (cost consultants, engineering offices, inspection bodies, health and safety coordinators, etc.).

10 property type

Retail

Hotels - Restaurants

Commercial - industrial

12 type of work

Vertical expension

New Build

Renovation

6 services

Design / Plans

Planning permission application

Construction Management

Architecte in Paris 75016

Cathala Architectes develops high-performance projects integrating bioclimatic design, dynamic thermal modeling, and innovative construction solutions. The agency ensures strict compliance with BEPOS standards, optimizing envelopes, systems, and flows to deliver sustainable buildings that meet current environmental requirements.

14 property type

Single-Family Homes

Passive House / Eco-friendly

Chalets / Wooden Houses

14 type of work

Vertical expension

New Build

Renovation

5 services

Design / Plans

Planning permission application

Construction Management

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Architecte in Lattes 34970

Based in Lattes and Sallanches, Atelier DOMUS 74, headed by Gérard Cristeau, will be able to accompany and guide you in your projects, both for new buildings and for renovations. Equipped with a wealth of experience gathered from diverse projects, Gérard Cristeau is committed to satisfying the needs of his clients by listening to them and producing quality architecture that respects the environment.

23 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

Architecte in Seine-Port 77240

An experienced architect based locally, Eric Pothérat offers you sensitive, careful work, always on a human scale, putting your uses and concerns at the heart of his work!

14 property type

Single-Family Homes

Chalets / Wooden Houses

Townhouses

8 type of work

Vertical expension

New Build

Renovation

4 services

Design / Plans

Planning permission application

Construction Management

Architecte in Le Crozet 42310

RELEV is a joyful and committed heritage architecture firm, specializing in the custom restoration of historic buildings. We work by hand, with you, to create something beautiful, fair, and meaningful.

10 property type

Single-Family Homes

Passive House / Eco-friendly

Chalets / Wooden Houses

9 type of work

Vertical expension

Renovation

Energy renovation

6 services

Design / Plans

Planning permission application

Construction Management

Architecte in Montrouge 92120

SaoMa Architectes, based in Paris and Madrid, develops projects in hospitality, coliving, housing, retail, and healthcare. The agency combines architecture and interior design to create coherent, aesthetic spaces adapted to contemporary uses.

18 property type

Single-Family Homes

Passive House / Eco-friendly

Chalets / Wooden Houses

11 type of work

Vertical expension

New Build

Renovation

3 services

Design / Plans

Planning permission application

Construction Management