Allégra Luxembourg

Prefabrication proves precision: Luxembourg building reaches milestone in timber-hybrid construction. In order to prove the beauty and sustainability available in CREE’s designs, they utilized the highest degree of prefabricated components to come up with the ultimate precision in a timber-hybrid building.

CREE’s strategic partner, CDCL in Luxembourg, has just completed their headquarters this year. Allégra is a modern 5,600m² building in the middle of Leudelange, Luxembourg, which combines proven sustainability with urban architecture. The headquarters appears to be two separate complexes but upon closer examination, observers will find them connected. The four above-ground floors were built with the highest level of prefabrication, especially the state-of-the-art façade, which was already installed off-site. This exemplifies the highest degree of prefabrication ever used on a timber-hybrid building. This allowed CDCL to erect the stunning office at an insane speed despite adverse weather conditions, and even scaffold-free.

CDCL has thus set a new benchmark in the Luxembourg construction industry and illustrates the significant advantages of precast manufacturing combined with the CREE building system. Allégra proves that prefab precision can create beautiful designs.


General facts


Allegra Office Space


Luxembourg, Leudelange



Start of construction

May 2020


January 2022


Architecture + Aménagement S.A.



46,8 m


40,6 m


13,2 m

Number of floors above ground


Gross floor area

5,600 m²

Usable floor space

4,595 m²

Number of floors below ground


Additional Information

Structural Engineer

LSC Engineering Group Ingenieurbüro Pyttlik & Bormann S.à r.l.

M&E Engineer

Goblet Lavandier & Associés Ingénieurs-Conseils S.A.

Volume of mass engineered timber

567 m³

Size of CREE system area

4,886 m²

Underground parking space


General Contractor Timber

holzbau.henz GmbH


BREEAM "Very Good", Nearly Zero Energy Building standard (nZEB), EPC Class A
Reportage pour CDCL
Reportage pour CDCL
Reportage pour CDCL

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