Trätoppen by Anders Berensson Architects

Trätoppen
Trätoppen
Image © Anders Berensson Architects

Anders Berensson Architects was commissioned by the Stockholm Center Party to design a skyscraper to replace an old car park in the city center of Stockholm. The result became a slender wood scraper “Trätoppen” (the tree top) that stands inside the car park leaving the existing car parks facade intact.

Trätoppen
Image © Anders Berensson Architects

If we want to reduce the amount of cars in the city center of Stockholm and at the same time make space for more housing without building on green areas, then replacing car parks with housing, shops and restaurants feels obvious. If the car park is as central located as the one on Regeringsgatan 47 it also make sense to build a high building that can fit a lot of people, shops and restaurants.

Trätoppen
Image © Anders Berensson Architects

The existing car park, “Parkaden”, is perhaps Sweden’s most famous one designed by Hans Asplund. The most characteristic feature of the house is a pattern with numbers on the facade which shows what floor you are on. Another thing that distinguishes this car park is the early use of a system of sloped floors.

Trätoppen
Image © Anders Berensson Architects

Retaining the sloping floor is hard due to the buildings low ceiling height, however it is possible to maintain the facade if the new building don’t use the whole footprint of the existing car park. The skyscraper is retracted six meters from the existing car parks facade in order not to interfere too much with the expression of the car park.

Trätoppen
Image © Anders Berensson Architects

The Skyscraper is considerably smaller in foot print than the car park which enables space for a large public terrace on the seventh floor. The retraction also makes it possible to use the existing building at the lower floors after an extensive reconstruction.

Trätoppen
Image © Anders Berensson Architects

The new building will be 40 stories high and built out of cross laminated timber “CLT”. In the 33 floors that protrude above the existing car park 31 floors will be residential and 2 floors will be public terraces. The seven floors inside the existing car park is best suited for shopping and restaurants due to the depth of the house.

Trätoppen
Sketch

The CLT facade of the new skyscraper is a continuation of the pattern with numbers that Hans Asplund designed. From the outside, one can count the floors by reading the facade and from the inside you will be reminded what floor you are on just like in the parking garage.

Trätoppen
Scheme

This is a useful feature given that the skyscraper will be the highest in the city center of Stockholm. The facade also has some practical benefits and acts like a sun screen, which keeps the building cool and energy efficient. Source by Anders Berensson Architects.

Trätoppen
Scheme

Location: Stockholm, Sweden
Architects: Anders Berensson Architects
Height: 133 m
Width: 35 m
Depth: 18 m
Number of floors: 40
Number of floors above the existing car park: 33
Number of apartments per floor: 8 pcs. A 50 m2
Total number of apartments: 250
Area per floor in the new building: 630m2
Floor 40: Audience terrace
Floor 8-39: Apartments
Friend 7: Public terrace
Floor 0-6: Shopping & Restaurants
Images: Courtesy of Anders Berensson Architects

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