House in Neulengbach - Architect: Franz Karner Arch. Dipl.Ing. Dr. techn.; Photos: Patricia Weisskirchner
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Case study
Architect: Franz Karner Arch. Dipl.Ing. Dr. techn.

Neulengbach, one hour drive from Vienna, is a little town surrounded by peaceful hills and fields. The vast views over them were a key element in the design of architect Franz Karner’s own house. A simple volume was placed along the border of a sloped site, through its terrace windows one can see up to an close-by old palace, on the west up to the horizon 13 kilometres away.

The small apartment-box, housing an airy living area, bedroom and bathroom, is accessed by a separate entree cube, connecting it to a lengthy workshop and storage building. All three volumes stand on a wooden platform, floating over a meadow.

Facade windows are only where the views are spectacular, and the few walls on the left are needed for storage. The addition of roof windows was the perfect solution for providing the house with daylight where it was needed the most.

The inside blends seamlessly with the terrace, so the living area expands during the summer months. Else, the perfectly barrier-free home is, as the designer says “as small as possible, and as big as necessary.” Franz Karner describes the house as a one-room venue consisting of different zones equipped with built-in furniture. Originally trained as a carpenter, he has drawn every corner of the house.

House in Neulengbach with VELUX roof windowsArchitect: Franz Karner Arch. Dipl.Ing. Dr. techn.; Photos: Patricia Weisskirchner

Franz Karner

Architect

We encourage our students to think about sustainability from the very beginning. During the course, they discover the importance of daylight in sustainable design and learn how to measure it in their projects with the Daylight Visualizer.

House in Neulengbach with VELUX roof windows
Architect: Franz Karner Arch. Dipl.Ing. Dr. techn.; Photos: Patricia Weisskirchner

Velux roof windows play a crucial role in this lifestyle: they do not only let the light in, but also enable a quick air exchange inside. Thanks to a big roof opening above the stove, the kitchen becomes an outdoor venue, with hot air and cooking smells rising to the sky. This largest opening also enables an efficient cooling of the house after a long, hot summer day.

Graphic

House in Neulengbach with VELUX roof windows
Architect: Franz Karner Arch. Dipl.Ing. Dr. techn.; Photos: Patricia Weisskirchner

When it came to designing his own house, the architect did a daylight simulation, as his students do. Thanks to the gathered experience – he has collaborated with VELUX for seven years now - the daylight in the building turned out like he imagined. Also, the building interior looks exactly as the Daylight Visualizer images promised. One and a half year of careful planning and a choice of timber construction allowed an only five-month construction time. In fact, it only took a couple of days to erect the external walls of the building. Franz Karner’s agenda in this project is very different from the one of many architects: he did not want to leave traces forever. He created a light-flooded and cosy habitation, which will last, consuming a minimal amount of energy, as long as the two residents will need it.

VELUX Products used in this case
Flat roof windows
Flat roof windows
Product details

Project details

Project: Single family house
Location: Neulengbach, Austria 
Architect: Franz Karner
Year: 2015
Photos: Patrizia Weisskircher / Franz Karner