With a focus on bespoke residential projects, Steen Architecten specializes in transforming urban houses through intricate renovations, meticulously crafting new homes, and tailoring interior designs for both residences and offices.

We take pride in designing not only the architecture of the building but also delving into the intricacies of interior design, where we focus on creating warm, atmospheric living spaces. This approach ensures that every aspect of your project receives the same attention to detail, creating a cohesive and harmonious living environment.

Steen Architecten, led by the dedicated team of Matthias Steenackers and Thomas Joos, is driven by a passion for creating vibrant houses in close collaboration with our clients.


At the heart of Steen Architecten's ethos is a profound commitment to sustainability. We specialize in constructing new houses and renovating city homes, utilizing our extensive experience to create cohesive designs. Our focus is on thoughtful spaces, quality natural materials, and consideration of energetic aspects, ensuring versatile functionality that caters to the unique needs of our clients. We strive to minimize environmental impact in our designs, fostering a beautiful future through conscientious planning.

Embracing a green heart, we view the garden as an extension of the home, integrating it as a full-fledged room in our designs. Scents and colors are carefully chosen, contributing to the completion of each project.


At Steen Architecten, we understand that every project is as unique as our clients. Hence, we maintain a client-centric approach, keeping your vision and goals at the forefront of our design process.

Collaboration is key as we work closely with you to transform your ideas into reality, creating spaces that reflect your individuality. We believe in the power of successful collaboration, where your input and our expertise converge to surpass expectations.

Thorough planning and execution are essential, and our project management services guarantee precision in handling every detail, timeline and budget. Our process guides clients from the initial sketches to the execution of refined details, ensuring a smooth and dedicated journey.


Matthias Steenackers, founder of Steen Architecten, holds a degree in engineering and architecture from KU Leuven and boasts over 10 years of experience in residential design. His artistic ingenuity and technical precision form a powerful combination that drives the success of the studio. At the core of his passion lies the rigorous integration of architecture with interior and garden design, creating an overall integrated vision for every project.

Collaborating with him is Thomas Joos, who studied architecture at UAntwerpen. He infuses the team with his creative cleverness and hands-on approach. Together, they form a small yet dynamic team, emphasizing a deeply personal connection with clients. This combination of technical expertise and artistic insight ensures that Steen Architecten delivers architectural excellence with a touch of creative brilliance.

The studio is situated in the city of Antwerp, Belgium.