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Business Details
26 Years
experience
Award-Winning RIBA Chartered Architects in South Devon
Dan Lethbridge RIBA is an award-winning architectural practice established in 2000, specialising in domestic and residential projects across South Devon. With a team of RIBA-chartered professionals, we deliver bespoke design solutions ranging from modest extensions to large-scale residential developments and community buildings. Our process follows the RIBA Plan of Work, ensuring rigorous attention to detail from initial sketch design through to on-site support. With over two decades of combined experience, our directors Andrew and Dan Lethbridge lead a multidisciplinary team committed to sustainable, client-focused architecture.

We hold professional accreditations including RIBA Chartered Practice status, reflecting our adherence to exacting design and service standards. Our collaborative approach ensures every project benefits from collective expertise while maintaining individual client relationships. We prioritise transparency, offering tailored service packages that adapt to project complexity and client needs, supported by detailed technical specifications and contract administration where required.
Services
Residential Architecture New Home Design Planning Applications Building Regulations On-Site Support
Details
  • Year established: 2000
Highlights and features
  • 20+ years of specialist residential architecture experience
  • RIBA Chartered Practice with rigorous quality standards
  • Comprehensive services from sketch design to on-site support
  • Collaborative team approach with individual client focus
  • Proven track record in sustainable and energy-efficient design
Associations and certifications
  • RIBA Chartered Practice
  • Chartered Institute of Architectural Technologists (CIAT)
  • Chartered Institute of Building (CIOB)
Services
Residential Architecture
We specialise in creating tailored residential spaces from concept to completion. Our services cover extensions, renovations, and bespoke new homes across South Devon. With RIBA-accredited expertise, we balance aesthetic vision with practical functionality, ensuring compliance with planning and building regulations while maintaining client budgets.
Planning Applications
Our team manages the full planning application process for residential and commercial developments. We prepare detailed drawings, coordinate supporting reports, and submit applications to local authorities. This includes assessing project feasibility, advising on permitted development rights, and addressing site-specific constraints to maximise approval chances.
Building Regulations
We produce technical drawings and specifications demonstrating compliance with current building standards. Our packages include construction details, material specifications, and coordination with structural engineers. This ensures projects meet safety, energy efficiency, and accessibility requirements while providing contractors with clear implementation guidelines.
On-Site Support
We offer contract administration and site inspection services throughout construction phases. This includes progress monitoring, technical query resolution, and payment certification. Our involvement ensures adherence to approved designs while managing variations, with optional Quantity Surveyor collaboration for budget control.
New Home Design
Creating custom-designed homes tailored to client lifestyles and site conditions. We focus on sustainable materials, energy efficiency, and spatial optimisation. Our process involves detailed brief development, 3D visualisation, and integration of specialist consultants to deliver unique, future-proof residential solutions.
People
Andrew Lethbridge
Chartered Technologist & Director
Established the practice in 2000 after 15 years in private and local authority architecture. Holds MCIAT and ACIOB accreditations. Specialises in residential projects and building regulations compliance.
Dan Lethbridge
RIBA Chartered Architect & Director
Joined the practice in 2008, qualifying as a RIBA Chartered Architect in 2010. Focuses on new build projects and sustainable design. Leads larger residential schemes and mixed-use developments.
Dan Stewart
Architect
Qualified RIBA member with 10+ years' experience in residential and conservation projects. Specialises in Passivhaus design principles and historic building adaptation. Leads design teams for complex schemes.
Beckie Leedham
CAD Technician
Provides technical drawing support since 2015. Completed Foundation Degree in Construction. Specialises in AutoCAD and SketchUp, conducting measured building surveys for accurate design development.
Anna Kalnars
Interior Design Consultant
RIBA-registered interior designer with 15+ years' experience. Combines spatial design expertise with legal and project management background. Collaborates on projects requiring specialist interior solutions.
Questions
What architectural services do you offer?
We provide full-service architecture covering sketch design, planning applications, building regulations, construction specifications, and on-site support for residential and commercial projects.
Are you RIBA-accredited architects?
Yes, we are a RIBA Chartered Practice with two RIBA Chartered Architects among our directors, ensuring adherence to the highest professional standards.
Do you handle both small and large projects?
We work on all scales from minor extensions to large residential developments, tailoring our services to each project's specific requirements and complexity.
How do you approach sustainable design?
We integrate energy-efficient principles including Passivhaus standards, natural material selection, and site-specific orientation to create environmentally responsible buildings.
Can you assist with planning permission?
Yes, we manage the entire planning application process, including feasibility assessments, drawing preparation, and submission to local authorities.
What areas do you serve?
Primarily operating in South Devon, we handle projects across the South West region for both local and national clients.