Client

Luxembourg Office Solutions L.O.S., Luxembourg

Architects

Itten+Brechbühl AG / Schemel Wirtz Architectes

Planning

2001–2005

Start of construction

2004

Start of operation

2005

Floor area

27 000 m2

Basement area

35,000 m2

Construction volume

182 600 m3

Parking spaces

850

Photos

Raoul Somers, Luxemburg

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Luxemburg

H2O Howald Heights Offices

The construction site lies in a small triangle between a motorway and a main road in the southern periphery of Luxemburg.

Office block on the motorway

Although the H2O structure has been given the discrete ornamentation of a grid-like structure, from the outside it appears as a compact but elegant four-storey unit. The interior structure consists of three overlapping, slightly asymmetrical units all accessed through a central entrance. The structural design follows that of blocks with interior courtyards.

The double façade serves as a noise barrier with an inner thermal layer in which single windows can be opened and the second, slightly inclined layer of glass which provides efficient protection from external noise.

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