Welcome to
RDA Architects
RDA is a leading London Architecture & Interior Design firm specializing in award-winning, beautifully modern homes. Passivhaus, Enerphit and sustainability experts for over 25 years.
Over ten years of excellence in Passivhaus design.
We built our first certified Passivhaus in 2010, and since then have gone onto design and build many more.
Our team of experienced architects and certified Passivhaus designers bring beautiful, efficient and healthy homes to our clients. RDA's director and founder Richard's commitment to building sustainable homes has lasted more than thirty years.
We build lasting, comfortable, elegant Passivhauses with confidence and expertise.


Plan your project
How much will your project cost? How long will it take? Find all the answers you need in our Project Planning Pack.
Ask an expert
Book a free 30-minute online consultation with our director and founder Richard Dudzicki to discuss your project. Flexible timings, no commitments.