Projects
Selected work
Among the many projects we have led, we have selected four that highlight a range of challenges and solutions, showcasing the scope and approach of Altena Works.



01 / 4
Ventosa
Renovation of a Portuguese countryside home, including a full electrical upgrade, solar panel installation, expansion of the outdoor living areas, and construction of a 12-meter swimming pool.



02 / 4
Azambuja
Renovation of an apartment in Azambuja, including the upgrade of the energy performance rating from G to B.



03 / 4
Madragoa
Structural renovation of a duplex in the heart of Madragoa, with a fully licensed and CML-approved project, including the lowering of the first floor, the raising and replacement of the roof, and the creation of a terrace overlooking Lisbon.



04 / 4
Andaluz
Ground-up construction of a single-family home in the heart of Lisbon on a challenging surface, featuring all modern amenities including indoor parking, an elevator, and an A-rated energy performance.