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Arkkitehdit NRT Oy : Architecture Studio Finland

Contemporary Finnish Architecture Practice. Helsinki Design Studio News

post updated 28 March 2026

9 Sep 2018

Arkkitehdit NRT – Key Projects

Major Buildings by Arkkitehdit NRT, alphabetical:

Hollola Library, Finland
Date built: 2004

image from architects practice
Hollola Library – contemporary Finnish library building
The library building is situated in the centre of Hollola and encloses the northern edge of Market Square. The building is organised on a single floor, but on the side of the square the eave height reaches nine metres. This helps provide enclosure for the square and to give the library a status of a public building.

House Moby Dick, Espoo, Finland
Date built: 2003

image from architects studio
Moby Dick House
This biomorphic house peeks to the street from behind the rocks. A stair built of stone and a bridge out of steel lead to the main entrance on the first floor above ground level. You enter the building through an organic, white outer wall. The first floor contains a living-room, a library, master bedroom and two balconies. The ground floor houses childrens’ spaces, guestroom and a garage. The basement contains sauna facilities, fireplace and a gym.

Katajanokka Housing, Helsinki, Finland
Date built: 2007

image from architects firm
Katajanokka Housing
First prize in invitational architectural competition in 2003
Housing area is situated in Katajanokka, Helsinki next to the sea. Residence floor plans are straightforward and systematic, thus making serial-customizing easy. Large windows and views across residence makes them lightful and open up good views.

More projects by Arkkitehdit NRT Oy online soon

Location: Kalevankatu 31, 00100 Helsinki, Finland, northeast Europe.

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Helsinki Architects Practice Information

Arkkitehdit NRT Oy are a design studio based in Helsinki, Finland.

Helsinki Architect

Website: http://n-r-t.fi/2/

Arkkitehdit NRT is a Helsinki-based architectural firm founded by Juha Leiviskä, Kari Jormakka, and Timo Tuomi. The practice is recognized for its refined, modernist approach rooted in the strong architectural traditions of Finland.

Arkkitehdit NRT’s work is characterized by clarity, precision, and a sensitive handling of light and space—qualities that echo the legacy of Nordic modernism. Their projects often emphasize simplicity of form, careful proportions, and the expressive use of materials, creating architecture that is both understated and deeply atmospheric.

The firm has worked across a range of typologies, including cultural, educational, and civic buildings, contributing to Finland’s contemporary built environment with a focus on durability and timeless design. Their approach balances functional efficiency with a strong architectural identity, ensuring that each project responds thoughtfully to its context while maintaining a coherent design language.

Through its work, Arkkitehdit NRT continues to uphold and evolve the principles of Finnish architecture, producing buildings that are both elegant and enduring.

Timo Penttilä and Juha Leiviskä Architects

Architects Finland

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