A living concept for the modern world,

Turnkey house modules up to 30 square meters, totally connectable. Like Lego for adults, we usually say! Add the opportunities to move, expand or reduce your housing in the event of life changes, and you got a living concept adapted to the pace of change in the modern world.

  • Permanent house
  • Summer house
  • Generational house
  • Cabin
  • Office
  • Extension of existing house

built for coming generations,

The development of the first Add a Room house back in 2010 was quite straight forward. Handpicking the very best components each Scandinavian country offers, to provide as maintenance-free and sustainable a wooden house as possible; providing the best possible future for you, the generations to come, and our planet.

Learn more about our buildings


with a timeless design!

A house built for decades needs a design that always feels modern, regardless of era. This is how top architect Lars Frank Nielsen has reasoned since his first sketch back in 2010. The result is an elegant, minimalistic design, giving the Scandinavian materials a well deserved, elegant look.

Meet Lars Frank Nielsen