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

Understanding Your Procurement Options

By Richard Dudzicki • April 30, 2025
Finding the Right Path for Your Project At RDA Architects, we understand that no two projects are the same—each client brings a unique vision, set of priorities, and practical considerations. One of the most important early decisions in delivering a successful project is selecting the right procurement route. Whether you're building from scratch, transforming an existing home, or undertaking a detailed retrofit, the procurement method you choose will shape everything from cost and timelines to quality and creative control. Here’s a breakdown of the three most common approaches, along with our perspective on which may work best for your project.
How to Design a home London Architects Retrofit Extension Dulwich

Our 5 phase approach to designing your dream home - explained!

By Richard Dudzicki • February 21, 2025
At RDA Architects, we know that designing a home is a personal and transformative journey. That’s why we’ve developed a 5-phase approach to guide you seamlessly through each stage—offering clarity, structure, and confidence from start to finish. From navigating planning permissions to bringing your vision to life with site visits, 3D visualisations, and models, we ensure a smooth and enjoyable experience. Unlike many practices, we integrate sustainability from day one, considering embodied carbon, airtightness, and energy efficiency from the outset.

Exciting News! Connected House Shortlisted for RIBA London Awards 2025

By Richard Dudzicki • February 17, 2025
We’re delighted to share that The Connected House has been shortlisted for the RIBA London Awards 2024—a recognition that celebrates architectural excellence and innovation. Nestled in the heart of The Dulwich Estate’s conservation area, The Connected House is a prime example of how cutting-edge sustainability and technological integration can breathe new life into a mid-century home. Originally designed by Austin Vernon & Partners in the early 1960s, this home stood as a relic of its time—boasting incredible views of London’s skyline but suffering from decades of substandard modifications. 
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