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Nominate now the Building of the Year 2017 »

  1. ArchDaily
  2. Projects
  3. Houses
  4. Luxembourg
  5. XPACE
  6. 2009
  7. Copper Fish / XPACE

Copper Fish / XPACE

  • 01:00 - 18 May, 2010
Copper Fish / XPACE
Copper Fish / XPACE, © Alexandre Kapellos
© Alexandre Kapellos

© Alexandre Kapellos © Alexandre Kapellos © Alexandre Kapellos © Alexandre Kapellos +22

  • Architects

  • Location

  • Architects

    XPACE architecture + urban design / Maud Cassaignau, Markus Jung
  • Engineer

    Reto Bonomo
  • Realization

    Maud Cassaignau
  • Contractor

  • Area

    86.0 sqm
  • Project Year

  • Photographs

From the architect. The new building is an extension to the private house of a sculptor in Luxemburg, providing a studio, a relaxation and wellness area with a sauna, and a viewing terrace.

© Alexandre Kapellos
© Alexandre Kapellos

The annex responds to the constrained spatial circumstances of the site, the steeply sloping topography and the existing house by means of complex geometry and extreme compactness. The project essentially consists of two distinct parts: the upper and the lower storeys.

© Alexandre Kapellos
© Alexandre Kapellos

The studio is housed in the garden storey. The half-sunk space is shielded against the hill slope by an angled, exposed concrete wall. Because of the full-height, openable glass façade facing the garden, the studio can also be used as an outside working area. A copper-coated, two-storey air space additionally lends the relatively small studio space a surprising spaciousness. This high triangular space simultaneously acts to resolve the junction with the existing building, and feeds additional filtered light into the deeper-set studio through the large polygonal “north eye”.

© Alexandre Kapellos
© Alexandre Kapellos

The upper storey with the relaxation and wellness area, executed in a lightweight construction and with its corporeal appearance, is set on top of the studio. The seemingly floating wooden construction is completely wrapped round with bands of copper so that the façade figuratively ties the various functions up together into a unified whole. The course of the metal ribbons, running from the façade right through into the interior space, reinforces the complexity of the spatial layout, whilst its copper shimmer also serves to create a warm and intimate internal atmosphere. The old and the new constructions are further braced together by a spatially encapsulating layer of custom made furniture and fixtures (wardrobe/WC/bench/wash-stand/couch).

© Alexandre Kapellos
© Alexandre Kapellos

The elevated position of the upper storey, nestled amongst the treetops, provides a beautiful vista over the park-like private garden.

© Alexandre Kapellos
© Alexandre Kapellos

The roof, constructed as a sundeck and affording an open view onto the Kirchberg and the surrounding landscape, forms the upper surround of the house.

© Alexandre Kapellos
© Alexandre Kapellos
Cite: "Copper Fish / XPACE" 18 May 2010. ArchDaily. Accessed . <>
Read comments


atmoko · July 20, 2010

don't you think ,, it's hot inside? or not?,,need info..:D

tim · May 19, 2010

if i can move in immediately? of course i can !!

Architecture News · May 19, 2010

RT @DISAGRO: Copper Fish / XPACE: © Alexandre Kapellos
Architects: XPACE architecture + urban design / Maud Cassaignau, Markus ...


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