RDA Architects & Interior Designers

RDA is a leading-edge London Architecture & Interior Design firm specializing in award-winning, beautifully modern homes that are healthier for you, your family, and the environment.

Passivhaus Certified Since 2010 

25+ Years Experience, Design First, Science Next Approach

RDA Architects & Interior Designers

Creating beautifully responsible London homes

RDA is a leading-edge London Architecture & Interior Design firm specializing in award-winning, beautifully modern passive homes that are healthier for you, your family, and the environment.

Passivhaus Certified Since 2010 | 25+ Years Experience | Design First, Science Next Approach

25+

Years of Experience

250+

Completed Projects

10

Prestigious Awards

Passivhaus Certified Since

2010

The Home You’ve Always Wanted, and Much More

Designing, renovating, or extending your home is a daunting process. Whether you’re adapting your home to your family’s changing needs, modernising your home to match your style, or improving your home to be more efficient and healthy, you need an experienced team to help you achieve your vision. 


RDA has been at the forefront of home design in the UK for more than 25 years. Our expertise has helped us create a proven process that delivers great results and gets faster approvals from local councils. 


It has also allowed us to build a great network of trusted suppliers and contractors, who provide our clients with exclusive access to the latest trendsetting materials and techniques. All this means more value and satisfaction for you.


Get the home you’ve always wanted and much more at RDA Architects.

The home you have always wanted,

and much more.

Designing, renovating, or extending your home is a daunting process. Whether you are adapting your home to your family’s changing needs, modernising your home to match your style, or improving your home to be more efficient and healthy, you need an experienced team to help you achieve your vision. 


RDA has been at the forefront of home design in the UK for more than 25 years. Our expertise has helped us create a proven process that delivers great results and gets faster approvals from local councils. 


It has also allowed us to build a great network of trusted suppliers and contractors, who provide our clients with exclusive access to the latest trendsetting materials and techniques.


Get the home you have always wanted and much more at RDA Architects.

Design First,

Science Next Architecture

At RDA, we know you want a home that not only reflects your lifestyle, tastes, and vision but also aligns with your desire to live a cleaner, happier, and healthier way. 


Exquisite design solutions are always our priority at RDA. And science comes a close second, putting us at the forefront of home design advancements, every step of the way. 


As a leading certified Passivhaus architecture and interior design firm in the UK, our team is highly skilled and experienced in creating magazine-worthy homes that enhance your daily life while benefiting the environment with innovative, science-based solutions. 


We help you make responsible choices that benefit you, and benefit us all.

Eco-friendly Architecture

For more than 25 years, we’ve been designing breath taking eco-friendly homes that offer a genuine solution to lowering your carbon footprint.

Conscious Interior Design

Our award-winning interior designers have the skills, passion, and eco-conscious expertise to evoke your personality and lifestyle in every corner of your home.

Passivhaus Consultancy

As sustainable home consultants, we offer our expertise to builders, architects, and individuals who want to build homes to the highest Passivhaus standard.

Book a FREE Consultation

Ask the Expert

Thinking of embarking on a building project and not sure how or where to start? You've come to the right place.


Our “Ask the Expert” consultation is the answer!


Click the link below to book a consultation with Richard Dudzicki, RDA's director, founder, and Passivhaus Certified Architect.


With more than 25 years of architectural experience and a deep portfolio of more than 200 projects in Greater London, and the UK, Richard knows his way around a job site, and can give you the clarity you need about your project.

Book Your Consultation

Project Planning Pack

What will your project cost?

How do we navigate each stage of your project? Learn essential insights from our award-winning team in this must-have Project Planning Pack.


Click the link below to download the pack. This pack you will inform you about our process, the aspects you should consider and what to expect further down the line.


If you are interested in RDA's services and considered what it is you are looking for, you can reach out to us for a ''Needs and Options'' meeting with our team where we can talk more in depth and answer any questions you might have.

Download Your Pack

Ask the Expert

Thinking of embarking on a building project and not sure how or where to start? You've come to the right place. Our “Ask the Expert” consultation is the answer!


Click the link below to book a consultation with Richard Dudzicki, RDA's Director, Lead Architect, and Passivhaus Certified Specialist.


With more than 25 years of architectural experience and a deep portfolio of more than 200 projects in Dulwich, Greater London, and the UK, Richard knows his way around a job site, and can give you the clarity you need about your project.

Book Your Consultation

Project Planning Pack

What will your project cost?

How do we navigate each stage of your project? Learn essential insights from our award-winning team in this must-have Project Planning Pack.


Click the link below to download the pack. This pack you will inform you about our process, the aspects you should consider and what to expect further down the line.


If you are interested in RDA's services and considered what it is you are looking for, you can reach out to us for a ''Needs and Options'' meeting with our team where we can talk more in depth and answer any questions you might have.

Download Pack

Featured Projects

See More Projects

“From start to finish, the service provided by RDA architects was exemplary."

Libby, Dulwich

“Whether you’re extending, renovating or in my case building a new build Passive House you will be bowled over by the flair, creativity and attention that Richard, RDAs owner applies to your project."

Oliver, Chiswick

“Richard is passionate about architecture and design and had many good ideas in response to our brief – he engagingly delivered what we wanted." 

Julian, Dulwich

Richard Dudzicki,

Director

RIBA ARB
BA(Hons), DipArch(Dist)

Certified PassivHaus Architect

Read more

“From start to finish, the service provided by RDA architects was exemplary."

Libby, Dulwich

“Whether you’re extending, renovating or in my case building a new build Passive House you will be bowled over by the flair, creativity and attention that Richard, RDAs owner applies to your project."

Oliver, Chiswick

“Richard is passionate about architecture and design and had many good ideas in response to our brief – he engagingly delivered what we wanted." 

Julian, Dulwich

Featured on

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Meet Our Team

Let our dream team help you design your dream home!


Award-winning home design

Recent Blogs

Enduring Design: Multiplying Modular Homes on Brownfield Sites

By Richard Dudzicki • November 19, 2025
What Makes Brownfield Sites Unique? Across the UK’s cities, thousands of small, disused plots sit idle: the remnants of former garages, workshops, and scrap yards. These brownfield sites, often dismissed as too constrained or contaminated for development, represent an untapped opportunity. Yet within these limits lies enormous potential. When approached with imagination and technical rigour, they can become prototypes for compact, sustainable urban living. Projects on brownfield sites are unique in their demand for a precise balance between innovation, practicality, and sustainability; ultimately, every square metre counts. And the result can be one of the most rewarding in contemporary housing design. Our project, Eva’s House , completed in 2005, offers a compelling example. Built on the footprint of two derelict garages in Southeast London, this modest three-storey home demonstrates how a forgotten plot can be transformed into a durable, adaptable dwelling that continues to perform nearly two decades later.

Reflections from the Venice Biennale: Architecture and Dystopian Futures

By Richard Dudzicki • October 10, 2025
Architectural Trip Venice Biennale RDA Architects

How To Upgrade a Grade II Listed Home Without Compromising Its Heritage

By Richard Dudzicki • September 23, 2025
Upgrading a listed home is one of the most rewarding yet challenging projects a homeowner can undertake. Unlike Standard properties, every change must respect strict planning regulations whilst protecting the historic character that makes the building unique. Choices that may seem simple in modern homes such as changing windows, adding insulation, or altering layouts can become complex negotiations between performance, aesthetics and compliance. The key to success lies in working with conservation architects, skilled craftspeople, and heritage professionals who understand both the technical and regulatory landscape. With their guidance, upgrades can be achieved in ways that not only preserve but often enhance the building's long-term performance and beauty. When done right, a listed home can be both energy-efficient and historically authentic, ready to thrive for future generations.
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