Renovations & Extensions of Prefabricated Structures

Design study by industry professionals for a functional building that meets today’s requirements—and, above all, tomorrow’s needs

Low energy footprint – low energy consumption

Attention to detail and final finishing

Strict adherence to the project completion timeline

2-year technical warranty after delivery

KALLERGIS, with its know-how, experience, and partner teams, undertakes the full or partial renovation of your home or business premises, as well as their energy upgrade.
In collaboration with the company’s architects, we propose a new design and new layout to refresh and upgrade your space.
We focus on your needs and provide a design study for your premises, along with construction works carried out by our specialized crews.



Projects delivered with the full design & construction package


Real Estate Listings
At Kallergis, there is a dedicated department exclusively handling real estate purchases and sales. Our experienced partners will help you find the property that suits you, and together we will complete the project.












































