A Modern and Sustainable Landmark in the Heart of Helsinki

A high-quality stone building

Kasarmikatu 21 applies modern technology in a design that respects the heritage and surroundings of the site. The 1960s government building that used to occupy the site, was taken down to make room for this construction in natural stone.

This prefabricated brass façade building complex originally replaced an old stone building on the twin sites at Kasarmikatu 21 and Pohjoinen Makasiinikatu 9 that was demolished in the 1960s. It is now replaced by a high-quality office building designed to naturally match the surrounding prime properties on the square.

The general appearance of the façade is light and restrained, with predominant use of natural stone, timber and glass both on the outside and inside. In contrast with other stone buildings in the city center Kasarmikatu 21 has been designed for office accommodation, as evidenced by such factors as spaciousness and the easiness of remodeling.

On the outside and inside

Only tried and tested, durable, high-quality materials have been selected for the Kasarmikatu 21 office building. The pale limestone favored for high standard construction in Europe blends in effortlessly with the impressive glass surface of the façade.

This light stone appearance also continues into the interiors, where it is combined with high-quality, beautifully ageing oak timber. The stone material selected for the floors of the lift lobbies and other common areas is durable and creates a consistent and elegant milieu, while a large light well in the middle of the building provides natural illumination and an enhanced the feeling of an open space.