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Award-Winning Sustainable Architecture & Design Services
Founded in 1883, we are an award-winning global architectural practice with seven studios across the UK. Our legacy is built on architectural excellence, driven by honesty, transparency, and a commitment to creating buildings that stand the test of time. We manage projects from concept to completion, drawing on decades of experience across various sectors. Our collaborative approach ensures that client, community, and environmental values are embedded in every design. With a dedicated Head of Client Experience, we prioritise clear communication and client satisfaction throughout the design process. Our multidisciplinary team offers expertise in architecture, building services, engineering, and sustainability.

We specialise in modern methods of construction, retrofitting, and net-zero design, leveraging advanced technologies to deliver efficient, sustainable solutions. Our work spans commercial, residential, education, healthcare, and industrial sectors, with a focus on creating spaces that enhance user experience and wellbeing. We are ISO14001 and ISO9001 accredited, signatories of the RIBA 2030 Climate Challenge, and champions of the RetroFirst campaign. With over 140 years of experience, we combine tradition with innovation to deliver buildings that meet contemporary needs while future-proofing the built environment.
Services
Architecture Building Services Engineering Sustainability Principal Designer Retrofit Modern Methods of Construction Urban Design Visualisation
Highlights and features
  • We have over 140 years of experience in architecture and design.
  • Our ISO14001 and ISO9001 accreditations ensure quality and sustainability standards.
  • We offer a multidisciplinary team integrating architecture, engineering, and sustainability.
  • Our client-focused approach prioritises clear communication and satisfaction.
  • We champion retrofitting and net-zero design to future-proof buildings.
Associations and certifications
  • ISO14001
  • ISO9001
Services
Architecture
Our architectural services combine creativity and realism, focusing on function, aesthetics, and sustainability. With over 140 years of experience, we deliver projects across commercial, residential, and public sectors. Our RIBA-accredited team ensures excellence in design and buildability.
Building Services Engineering
We provide bespoke mechanical and electrical engineering solutions, including energy calculations and thermal modelling. Our team ensures compliance with building regulations and optimises systems for efficiency and sustainability across all project phases.
Principal Designer
Our Principal Designer services ensure health and safety compliance under CDM regulations. With APS-accredited professionals, we manage risks and coordinate design teams to deliver safe, compliant projects from concept to completion.
Modern Methods of Construction
We specialise in modular and prefabricated construction methods to reduce waste and improve efficiency. Our expertise in MMC delivers faster, more sustainable building solutions tailored to client needs.
Retrofit
Our retrofit services revitalise existing structures to enhance sustainability and functionality. We focus on minimising waste while improving energy efficiency and adapting buildings for future use.
People
Bruce Massie
Cardiff Studio Leader
With over two decades at DB3, Bruce Massie leads our Cardiff studio, bringing extensive experience in architectural design and project management to deliver innovative solutions for clients across multiple sectors.
Steve Wood
Principal Designer Lead
Steve Wood heads DB3's Principal Designer team, ensuring compliance with CDM regulations. With APS accreditation and expertise in building safety, he guides clients through complex regulatory requirements for successful project delivery.
Questions
What sectors does DB3 Group specialise in?
We work across commercial, residential, education, healthcare, industrial, and public sectors, delivering tailored architectural and engineering solutions.
How does DB3 Group approach sustainability?
We integrate sustainable design principles, including BREEAM assessments, net-zero strategies, and retrofitting, to minimise environmental impact and meet climate goals.
What accreditations does DB3 Group hold?
We are ISO14001 and ISO9001 accredited and signatories of the RIBA 2030 Climate Challenge, demonstrating our commitment to quality and sustainability.
Can DB3 Group handle international projects?
Yes, our multidisciplinary team delivers projects globally, with expertise in adapting designs to meet local regulations and cultural contexts.