House J | Avanto Architects

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House J | Avanto Architects

Information

  • Completion year: 2021
  • Gross Built up Area: 456 br-m²
  • Project Location: Helsinki
  • Country: Finland
  • Lead Architects/Designer: Anu Puustinen and Ville Hara, Architects SAFA, Assistant: Hiroyuki Tsukui, Student of Architecture
  • Clients: private
  • Structural Consultants: Joonas Simolin, Benjamin Ward
  • Contractors: Structure contractor: Potius Oy, Facade plastering: Etelän Rappaus Oy, Wood-glass walls: Profin Oy, Entrance door: Euramaker Oy/ Joni Peurala, Stair: John Naavalinna, Interior works contractor: Jonest Project Finland Oy, Ahto Nõukas, HVAC-contractors: Vesijohtoliike R. Karvinen Oy, Helsingin Rakennus-Vara Oy, Electric contractor: Elopower/ Lasse Elo
  • Interior + Furniture: Jenni Enlund
  • Photo Credits: kuvio
  • Others: HVAC-designer: LVI-Suunnittelu BRL Oy / Ben-Roger Lindberg, Leino Kuuluvainen, Electric designer: Sähkö Solutions Oy/ Jukka Ruottinen, Garden designer: Maisemasuunnittelu Garden Living Oy / Eva Wuite ja Laura Talo, Responsible site manager: Pasi Savolainen
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Excerpt: House J by Avanto Architects features an architectural concept based on the site. The house, shaped like a lap around an old pine tree, features a sunny, sheltered courtyard and a lush garden that contrasts with the rectangular building. The building features staggered floors with a cantilevered first floor forming a canopy over the ground floor entrance, and the ground floor roof serves as a terrace around the first-floor courtyard.

Project Description

House J | Avanto Architects
© kuvio

[Text as submitted by architect] House J is situated on top of a high hill, on the edge of a single-family housing area. The architectural concept is based on the site: the building has a closed rear towards the North and East where the neighboring houses are, and it opens to the South and West, towards a natural forest. The house curves around an old pine tree, forming a lap with a sunny and sheltered courtyard. The free form and lush garden create a contrast to the rectangular building.

House J | Avanto Architects
© kuvio
House J | Avanto Architects
Site Plan and Floor Plans © Avanto Architects
House J | Avanto Architects
© Avanto Architects
House J | Avanto Architects
© kuvio

The height of the building is carefully fitted to the elevation of the adjacent buildings. The floors are not situated on top of each other. The cantilevered first floor creates a canopy for the entrance on the ground floor, whereas the roof of the ground floor creates a terrace skirting around the courtyard on the first floor. From the ground floor living room you have a panoramic view to the courtyard, from the first floor bedrooms you have long views over the neighborhood.

House J | Avanto Architects
© kuvio
House J | Avanto Architects
© kuvio
House J | Avanto Architects
© kuvio

The floors are connected by an open stairway with wooden steps hanging from thin metal bars reminiscent of tree trunks in the nearby forest. The same theme of levitating wooden planks continues in the sauna room. The concrete load bearing walls are left exposed in the interior spaces. The window frames and doors made of oak, create a warm counterpart for the concrete surfaces. The artworks on the walls add a splash of color for the interior.

House J | Avanto Architects
© kuvio
House J | Avanto Architects
© kuvio

During the design phase, the energy use of the building was simulated so design solutions could be optimized to save energy. The building is heated with geothermal heat and ground cooling is used for air conditioning.

House J | Avanto Architects
© kuvio

The client wished for timeless architecture and well-functioning premises for a family of five. The project was designed in close cooperation with the future residents; we practically designed the house together, says Avanto Architects.

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