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Business Details
11 Years
experience
Expert Residential & Commercial Architectural Services in Usk
Studio 4b is a RIBA-registered architectural practice based in Usk, Monmouthshire, with over a decade of experience delivering residential and commercial projects across South East Wales. Founded by Bob Coles, our team combines expertise in both domestic and commercial architecture, having worked on diverse developments including hospitals, university buildings, supermarkets, and mixed-use residential schemes. We specialise in guiding projects from initial design and planning stages through to completion, with a focus on contemporary and traditional house design, extensions, feasibility studies, and listed building conservation.

Our portfolio spans Cardiff, Newport, Monmouth, Cwmbran, Abergavenny, and Swansea, reflecting our deep understanding of regional architectural needs. We prioritise client collaboration, ensuring tailored solutions that meet both practical and aesthetic requirements while adhering to rigorous professional standards. With a track record of successful projects, we are committed to delivering innovative, sustainable, and contextually sensitive designs that enhance communities and environments.
Services
Residential Architecture Commercial Architecture House Extensions Loft Conversions New Builds Conservation Projects Feasibility Studies Planning Applications
Details
  • Year established: 2015
Highlights and features
  • We are RIBA-registered architects with expertise in both residential and commercial projects.
  • Our team has delivered developments across South East Wales for over a decade.
  • We manage projects from initial design to completion, ensuring seamless execution.
  • Specialists in listed building conservation and contemporary architectural solutions.
  • Proven track record in diverse projects including new builds, extensions, and feasibility studies.
Associations and certifications
  • Royal Institute of British Architects (RIBA)
Services
Residential Architecture
Studio 4b specialises in creating bespoke residential designs, blending contemporary and traditional styles. Our services include new builds, extensions, and loft conversions tailored to client needs. We ensure compliance with planning regulations while prioritising sustainability and aesthetic appeal.
Commercial Architecture
We design functional and innovative commercial spaces, including offices, retail units, and mixed-use developments. Our approach focuses on maximising space efficiency, accessibility, and compliance with commercial building standards to support business growth.
House Extensions
Our house extension services enhance living spaces while maintaining structural integrity. We handle planning permissions, design, and project management to deliver seamless expansions that align with homeowners' lifestyles and budgets.
Conservation Projects
Studio 4b has expertise in preserving listed buildings and heritage sites. We balance historical accuracy with modern functionality, ensuring conservation projects meet regulatory requirements and retain their cultural significance.
Feasibility Studies
We conduct detailed feasibility studies to assess the viability of architectural projects. This includes site analysis, budgeting, regulatory compliance, and design options to inform decision-making and ensure project success.
People
Bob Coles
Principal Architect
Bob Coles is a RIBA-registered architect with over 20 years of experience in residential and commercial projects across South East Wales. He leads Studio 4b, focusing on delivering innovative, client-centric designs from concept to completion.
Questions
What services does Studio 4b offer?
Studio 4b provides residential and commercial architectural services, including house extensions, new builds, feasibility studies, planning applications, and conservation projects.
Are Studio 4b RIBA-registered architects?
Yes, Studio 4b is a RIBA-registered architectural practice, ensuring adherence to the highest professional and ethical standards.
Which areas does Studio 4b serve?
We operate across South East Wales, covering Cardiff, Newport, Monmouth, Cwmbran, Abergavenny, and Swansea.
How long has Studio 4b been in business?
Studio 4b has been based in Usk for over 10 years, delivering architectural projects since 2015.
Can Studio 4b handle listed building projects?
Yes, we specialise in listed building conservation and have extensive experience in preserving historical structures while meeting modern requirements.