Lofthouse in Amsterdam / Marc Koehler Architects

Lofthouse in Amsterdam

Lofthouse project is a single-family house designed by Dutch studio Marc Koehler Architects. Lofthouse is located in Amsterdam, The Netherlands.

Project description: In this corner house, all floors are interconnected in a continuous flow. The house takes maximum advantage of the exceptional views of its rugged, industrial environment. Loft House 1 is the first implementation of a series of durable, wooden loft houses.

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The lofthouse is based on a reversed principle: its owners decided to sleep downstairs and live upstairs. This allows them to fully enjoy the views of the harbour from the kitchen, the lounge and the dining room.

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The owners’ wish was to connect the areas on the upper floors with the lower floors in one, continuous flow. A solution was found by incorporating a staircase that serves as an atrium and has become a central design element. The atrium has been designed so that each vertical walk becomes an attractive adventure.

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Another classification principle is the split-level structure: each floor is half a floor higher or lower in relation to the previous or the next. This allows the owners to look easily from one floor to the other. This creates a gradual transition from one floor to the next, unlike the clean break between each floor in a standard terraced house.

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The bedrooms are designed like small houses within a house, and are experienced as such. They were also given windows on the staircase side, resulting in some surprising sightlines. It was decided to position the openings in the façade in a playful manner, offering different views of the remarkable surroundings from different areas in the house.

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The lofthouse has a refined wooden wall cladding, the transition from coarse to fine resulting in a façade with a layered and surprising appearance. The façade is covered with a preserved Radiata Pine softwood — NobelWood from Foreco. This type of wall cladding requires no treatment and is completely maintenance-free.

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The wooden structure serves as a framework in which floors can be installed in any position, giving the entire house a flexible layout. In addition, the prefab wooden structure shortens the construction period considerably, to just six months. The construction of the prefab elements in a closed workshop took two only weeks, and assembly at the building site took no more than four days. Climate-neutral The Loft House is a completely climate-neutral home. The PV panels on the roof, a CO2-controlled ventilation system, mechanical extraction, underfloor heating and a collective heat grid ensure that this home’s energy consumption is kept to a minimum.

Main architect: Marc Koehler Architects
Project architect: Chun Hin Leung
Project team: Marc Koehler, Hugo Vermeer, Carlota Alvarado, Mariana Rebelo Fernandes, Marijn Luijmes
Location: Amsterdam, The Netherlands
Area: 210 m2
Photographer: Filip Dujardin

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