Modern family home, Haarlem
A modern family home of 165 m², fully custom-designed. Including foundation, masonry, roofing and sustainable installations (heat pump and solar panels). Delivered within 5 months, including full finishing.

From foundation to finish: we deliver new builds, renovations and tailor-made extensions.
At C.A.S. Infinity Group we combine craftsmanship with reliability. We think along with you, plan tightly, and deliver tailor-made work that lasts for years. Whether it's a new build, a renovation or infrastructure work: we build with an eye for quality, safety and your wishes. We keep you informed throughout the entire project with transparent schedules, fair prices and no surprises afterwards.
Years of construction experience
Completed projects
Satisfied clients
Craftsmanship guaranteed
We are your partner for every type of construction project, from small remodels to complete new builds. No two projects are the same: we deliver tailor-made work that fits your wishes and situation perfectly.
We build homes and commercial properties fully to your specifications. From permit to foundation, we guide the entire process with care and craftsmanship.
An extra room, a bigger kitchen, an additional floor? We deliver smart extensions that connect seamlessly to your existing home or building.
Whether it's a 1930s home or an outdated commercial building: we renovate with attention to detail, quality and sustainability.
From knocking through walls to renewing floors, bathrooms or kitchens: we create a modern layout that fits your wishes.
We handle all preparatory work such as earthworks, sewage, foundations and paving, so every project starts on solid ground.
From permits to handover: we manage your construction project fully and keep you informed at every step.
Our builders and technicians are experienced, certified, and deliver craftsmanship to the highest quality and safety standards.
We keep you informed throughout the entire project, with no surprises afterwards.
A clear quote upfront, so you always know exactly where you stand.
We provide a guarantee on all work carried out and build strictly to Dutch building regulations.
We take pride in the construction projects we deliver, from complete new builds to smart remodels. Below is a selection of our recent work.
A modern family home of 165 m², fully custom-designed. Including foundation, masonry, roofing and sustainable installations (heat pump and solar panels). Delivered within 5 months, including full finishing.
Facade insulation, a new roof and a fully modernized bathroom. Authentic elements such as stained glass and panel doors were preserved. Energy label improved from F to B.
An 18 m² extension with a skylight and sliding doors, combined with a complete kitchen renovation.
Turnkey commercial hall with integrated office space. We handled the foundation, steel structure, installation work, paving and the connecting infrastructure including sewage and parking.
We discuss your wishes, budget and the possibilities on site.
You receive a clear plan with a transparent cost estimate.
Our professionals get to work, with regular updates on progress.
A thorough final inspection and aftercare once the project is complete.
We provide a guarantee on all work carried out. In addition, we work strictly according to Dutch building regulations and use quality materials.
Contact us today for a no-obligation quote.