Development & enhancement
Designing tomorrow's living spaces, together.
Entrusting us with your real estate development means relying on a partner who supports you from land acquisition to the building's operational launch.
Real estate development is a cornerstone of Rosset's activity. We support investors, landowners and institutional clients in the enhancement of their land and the development of large-scale projects.
Our approach covers the entire process, from initial prospecting and land acquisition to the building's operational launch. We coordinate each milestone — financing, permits, construction, marketing — with rigour and vision.
We combine in-depth knowledge of the Western Switzerland market, regulatory mastery and innovative marketing strategies.
Your development partner
A dynamic and stable market, Western Switzerland generates constant demand for residential and commercial projects.
Our specialists translate this demand into sustainable projects, aligned with Swiss construction and energy performance standards.
Turning every land potential into a coherent project, integrated into its urban environment — that is our commitment.
Our real estate development services
Our support is structured around three pillars : construction, marketing and exploitation — for end-to-end support, from land to enhancement.
Construction project support
From land search to handover, we orchestrate your project with rigour.
- Land acquisition and financial plans
- Building permit applications
- Coordination of architects and planners
- Rigorous site monitoring
- Building delivery
Marketing and off-plan sales
Revealing the potential of your project with a tailored strategy.
- Analysis of market trends and buyer needs
- Costed marketing plan and innovative strategies
- Local and international visibility
- Off-plan sales in synergy with our brokerage team
- Support for buyers through to signature
Enhancement and exploitation
Continuing support beyond delivery to sustainably enhance your property.
- Preparation of rental statements
- Tenant search (HBM, HLM, HM)
- Liaison with the Housing Office
- Preparation of lease contracts
- Technical organisation of the building
Our achievements
Designing, building, enhancing
A Western Switzerland signature
Over the years, we have delivered a wide variety of projects alongside landowners, investors and public authorities.
Each achievement combines architectural standards, energy performance and urban integration.
- Mixed rental developments : PPE / HM / ZDLOC housing, retail spaces and a place of worship
- Residential programmes with municipal infrastructure (nursery)
- LGZD developments : housing and commercial premises
- HPE Minergie buildings : HM housing and commercial spaces
- Strategic vertical extensions to enhance existing properties
Each project is an opportunity to create lasting living environments, rooted in their territory.
Project types we support
Our expertise enables us to manage a wide variety of real estate programmes, each requiring a nuanced and specific approach.
Exceptional achievements located in sought-after areas such as Cologny, Thônex, Collonge-Bellerive or Champel.
Development of real estate portfolios with open-market rents or under state control (HLM, HM, LUP, ZDLOC), providing a tailored response to the housing shortage.
Creation of modern administrative spaces, offices and retail units harmoniously integrated into residential developments.
Recognised mastery of projects linked to the General Law on Development Zones (LGZD) and close collaboration with the Housing Office.
Strategic enhancement of existing buildings through the addition of floors or full transformation, ideal for optimising land use in dense urban environments.
Our commitment to your projects
End-to-end support, from land to exploitation, delivered by a family-owned, independent agency since 1957.
Our integrated structure mobilises our brokerage, property management and technical teams, supported by a network of recognised architects and partners.
Regulatory mastery, expertise in subsidised housing (HBM, HLM, HM, LUP, LGZD) and innovative marketing strategies — in the service of your project for the long term.
Frequently asked questions about real estate development
Real estate development refers to the activity of enhancing land or an existing building through construction or major renovation of a project.
The real estate developer orchestrates financing, technical design, construction and marketing of the property on behalf of investors or future buyers.
Rosset offers end-to-end support, from land acquisition to the final operational launch of the building.
We manage building permit applications, coordinate the site, oversee off-plan sales through our USPI-certified brokers and ensure the rental or technical exploitation of the building.
Also known as future-state sale (VEFA), it allows a buyer to purchase a property before or during its construction.
The buyer often benefits from the possibility to customise interior finishes while enjoying a new-build guarantee that meets the latest energy standards.
We manage a wide variety of programmes : from luxury residences to rental income properties, including mixed commercial complexes and subsidised housing projects.
Our expertise also covers vertical extensions of existing buildings in the city centres of Geneva or Lausanne.
The process is structured in several phases. It all begins with a feasibility study, the development of financial plans and land acquisition.
This is followed by obtaining building permits and coordinating the trades for the construction phase.
Finally, we deploy a targeted marketing strategy through to the final handover to owners or tenants.
Yes, we have recognised expertise in the HBM, HLM, HM, LUP and LGZD categories.
We regularly collaborate with the Housing Office and public-law foundations to develop programmes that meet the social needs of the Western Switzerland market.
Our development service operates primarily in the cantons of Geneva, Vaud and Fribourg.
Thanks to our local agencies based in Onex, Lausanne and Fribourg, we have an intimate knowledge of municipal regulations and the specifics of the land market in each Western Switzerland region.
A renowned international crossroads with an exceptional quality of life, the Geneva region offers a prime environment for your real estate projects.
To support you smoothly in this dynamic ecosystem, we highlight the strengths of a market that combines solidity and lasting prospects :
A reassuring presence - a stable market, ideal for securing your investments over the long term.
A demand for quality - high construction standards and natural integration of sustainable innovations.
A diversity of horizons - from prestigious addresses (Cologny, Veyrier) to thriving urban neighbourhoods (Carouge, Lancy).
The canton of Geneva stands out for its high level of requirements in real estate development.
While this regulatory environment demands genuine know-how, it guarantees the durability and long-term enhancement of your investments.
To turn this rigorous framework into a smooth journey, we support you at every step of your project :
Smooth navigation - in-depth knowledge of local legislation to control deadlines and secure your development.
Trusted dialogue - constructive exchanges with municipal and cantonal authorities, at every level.
Lasting vision - projects compliant with the strictest standards, integrated into Geneva's neighbourhoods.
