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i29 interior architects is a creative and versatile design studio. We believe in simplicity and contradiction. The result of being selective is that you have to push each choice to the limit. It also provides a field of tension, and energy to a space. But more importantly it leaves you with a charismatic environment. i29 stands for a work ethic that leads to design solutions dependent neither on expensive materials nor on technical show. We look for choices that answer to multi-ple questions at the same time. They should tell a conceptual story about the company, the space and it’s users. The firm represents a method in which architecture and interior architecture come together in a model combination. i29 links architectonic components with surfaces that gain maximum impact through the use of a colour, material or typography. The specific ways in which the firm extracts so much from so little has proved itself to the projects which have been awarded until now. Founding partners Jaspar Jansen and Jeroen Dellensen and their team have received national and international awards for their work, which is published worldwide in magazines and books.

Industrieweg 29
1115 AD Duivendrecht

i29 has been nominated and won several awards like the Rotterdam Design Award, Dutch design awards, LAI awards and The Great Indoors award. We won the Dutch Design Prize for best interior design and The Great Indoors Award for best office design. Projects have been published in international magazines and books.

Services Provided
Interior architecture and furniture design
Areas Served


home 07


Single-family apartment in Amsterdam
Interior design

i29 interior architects