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A clear approach to better understanding and better decision-making

The ATHERAC – Renovation & Value enhancement service has been designed to support both sellers and buyers in gaining a comprehensive understanding of a property, beyond its appearance or current condition. In a market where many properties present technical, energy-related or functional constraints, it is essential to assess their true potential in a clear and structured way.

For sellers, this approach helps to better explain the property, highlight its potential for evolution and provide buyers with an objective and reassuring perspective. For buyers, it facilitates projection into a realistic project by identifying what can be optimised, renovated or improved, both in terms of use and energy performance.

This process is based on an in-depth analysis of the building, its volumes and existing constraints, complemented by tailored layout and renovation recommendations. When relevant, non-contractual plans and 3D visualisations are provided to help better understand the spaces and to concretely envisage the possible transformations.

ATHERAC – Renovation & Value Enhancement therefore acts as a genuine decision-making tool, encouraging more transparent discussions, better-defined projects and a more coherent property valuation, within a realistic and controlled approach tailored to the specificities of mountain real estate.

Project catalogue

Studio + cabin 1-bedroom apartment 2-bedroom apartment 4-bedroom apartment Villa / Chalet Farm to renovate
3D projet lounge bedroom kitchen

Studio + cabin

Current condition
Poorly defined layout, windowless bedroom, ill-defined kitchen, insufficient thermal insulation and oil-fired heating.

After
Reorganisation of volumes with a comfortable sleeping area, a clearly defined open-plan kitchen, and a warm alpine atmosphere.
Improved insulation, double glazing and eligibility for the local district heating network.

Result
A more comfortable and energy-efficient property, with an improved energy rating up to B / A, offering strong appeal for both sale and rental.

View detailed project
3d project perspective lounge kitchen

1-bedroom apartment

Current condition
Closed and inefficient kitchen, insufficient thermal insulation and oil-fired heating.
View property for sale (Ref. 3475)

After
Opening and reorganisation of the kitchen into the living area, improved insulation with double glazing and internal wall insulation, and eligibility for the local district heating network.
Creation of a warm and contemporary mountain atmosphere.

Result
A more fluid, comfortable and energy-efficient apartment, with an improved energy rating up to A, enhancing both its value and overall appeal.

View detailed project
3d project dining table window

2-bedroom apartment + cabin

Current condition
Closed and inefficient kitchen, insufficient thermal insulation and oil-fired heating system.
Property classified as an energy-inefficient home, with tourist rental prohibited from 2034.
View property for sale (Ref. 3505)

After
Opening and reorganisation of the kitchen into the living area, thermal upgrades with double glazing and internal wall insulation, and eligibility for the local district heating network.
Creation of an additional children’s sleeping area, designed in a modern alpine style.

Result
A property aligned with current living standards, energy-efficient and sustainable, with an improved energy rating up to B / A, allowing secure continuation of tourist rental and strong value enhancement.

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3d image fireplace lounge window

4-bedroom triplex apartment

Current condition
Cramped dining area, compartmentalised living spaces, and only 2 shower rooms for 8 sleeping places.
Property classified as an energy-inefficient home, with tourist rental prohibited from 2034.
View property for sale (Ref. 3609)

After
Creation of a dining area suited to the property’s capacity, opening of the kitchen and stairwell to form a large open-plan living space.
Creation of a master suite with private shower room, refurbishment of a closed glass-fronted fireplace, window replacement and insulation works enabling energy performance improvement and the continuation of tourist rental.

Result
A triplex redesigned for comfort and hospitality, with an improved energy rating up to C / A, optimised layout and a revisited alpine signature, sustainably enhancing its long-term value.

View the detailed project
3d images large living room sofa

Villa / chalet

Current condition
Rendered façades and a dated interior.
Property classified as an energy-inefficient home, with tourist rental prohibited from 2034.
View property for sale (Ref. 3565)

After
External thermal insulation with timber cladding for a revisited mountain aesthetic.
Interiors redesigned using warm, high-quality materials, window replacement and insulation works enabling energy performance improvement and the continuation of tourist rental.

Result
A transformed chalet, more efficient and attractive, with an improved energy rating up to D / B, optimised living spaces and a revisited alpine elegance, sustainably enhancing its long-term value.

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3d image fireplace lounge area beam of wood

Farmhouse to renovate

Current condition
Traditional farmhouse dating from 1908, unconverted and uninhabitable.
Three raw floors to renovate, with no insulation or heating system.
View property for sale (Ref. 3491)

After
Transformation into an authentic alpine chalet, fully renovated to deliver 250 sqm of living space, featuring a cathedral-style living room and wellness area.
Creation of five en-suite bedrooms, with renovation carried out in line with current regulatory standards, combining comfort and energy efficiency.
Rental use secured, with potential for para-hotel operations.

Result
A recreated exceptional property offering over 250 sqm of habitable space, five bedrooms, and strong long-term heritage and rental value.

View detailed project

“Beyond the transaction, our Renovation & Value enhancement service helps our clients understand their property’s true potential, envision its renovation and secure its long-term value through a clear and realistic approach.”

Would you like to discover your property’s true potential ?

Benefit from an initial valuation and a conversation with our team to explore the renovation and value enhancement opportunities for your property.

For over 60 years, ATHERAC has been assisting property owners in La Clusaz, Le Grand-Bornand, and the surrounding villages with the sale and valuation of their real estate assets. We offer a reliable, free, and confidential valuation, carried out by a local market expert. Fill out the form below, and we’ll get back to you promptly for an initial discussion.

Renovation and property value enhancement in La Clusaz and the Aravis

In the Aravis region, many properties offer strong value enhancement potential when supported by a well-considered renovation strategy. Older apartments, chalets, villas and farmhouses to renovate can regain significant appeal—both for sale and rental—provided that usage, comfort and energy performance challenges are anticipated from the outset.

With ATHERAC – Renovation & Value enhancement, our agency supports sellers and buyers through a comprehensive approach to property renovation in La Clusaz, Le Grand-Bornand, Manigod and Saint-Jean-de-Sixt.
Our objective is to reveal a property’s true potential, secure buyer projection and sustainably enhance its long-term asset value.

Through technical and architectural analysis, layout proposals, 3D visualisations and a structured approach to improving energy performance ratings, we help transform constrained properties into clear, readable and market-aligned projects that meet the expectations of today’s mountain real estate market.

This approach is designed for property owners wishing to sell under the right conditions, as well as for buyers looking to invest in a controlled renovation project—whether for a second home, a rental investment or a tourism-based operation.

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