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23 Years
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Sustainable Architects in Cornwall & Devon | ARCO2
Established in 2003, ARCO2 is a RIBA Chartered Practice specialising in sustainable architecture across Cornwall and Devon. Our team of 10 experienced professionals combines innovative design with eco-conscious principles, delivering award-winning projects that prioritise health, comfort, and environmental responsibility. With over 18 years of expertise, we guide clients through every stage from concept to completion, utilising passive house principles and locally sourced materials. Our portfolio includes coastal homes, listed property renovations, and energy-efficient replacements, reflecting our commitment to harmonising buildings with the South West landscape.

As directors of both ARCO2 and sister construction company ADD Sustainable Construction Ltd, we offer unparalleled oversight of projects while maintaining strict conflict-of-interest protocols. Our process begins with immersive discovery phases to understand client lifestyles, followed by VR-assisted design visualisation and meticulous regulatory navigation. Recognised internationally for excellence, we balance technical precision with creative vision to create timeless, site-specific architecture that reduces carbon footprints without compromising aesthetic appeal.
Services
Sustainable Architecture New Builds Refurbishments Passive House Design Eco-Friendly Materials
Details
  • Year established: 2003
Highlights and features
  • Award-winning RIBA Chartered Practice since 2003
  • Specialists in passive house and low-energy design
  • Comprehensive service from concept to construction
  • Deep understanding of Cornish coastal environments
  • In-house VR design visualisation technology
Associations and certifications
  • RIBA
What people say
Award-winning designs Excellent project management Innovative eco-solutions Client-focused approach Beautiful coastal integration
Services
Sustainable Architecture
Creating energy-efficient buildings that harmonise with Cornwall's landscape. Our approach combines passive house principles with locally sourced materials to minimise environmental impact while maximising comfort. Specialising in bespoke residential projects that reduce carbon footprints through innovative ventilation systems and renewable technologies.
New Builds
Designing site-specific new homes tailored to client lifestyles. We focus on creating light-filled spaces that integrate with natural surroundings using modern timber-frame techniques. Our process includes feasibility studies, VR visualisation, and planning application support for sensitive coastal and rural locations.
Refurbishments
Transforming existing structures while preserving historical character. Specialising in listed buildings and outdated properties, we implement energy-efficient upgrades without compromising architectural integrity. Services include structural assessments, heritage-sensitive modifications, and modernisation of period features.
Passive House Design
Specialist low-energy building solutions meeting international passive house standards. We employ advanced insulation techniques, heat recovery systems, and strategic orientation to create self-sustaining homes. Our designs guarantee reduced running costs while maintaining optimal indoor climate control in Cornwall's variable weather.
Eco-Friendly Materials
Sourcing natural, renewable materials with minimal environmental impact. Our specifications prioritise local suppliers to reduce transportation emissions while ensuring durability. We incorporate reclaimed timber, low-carbon concrete alternatives, and non-toxic finishes that enhance indoor air quality and long-term building sustainability.
Questions
What areas do ARCO2 architects cover?
We specialise in projects across Cornwall and Devon, with particular expertise in coastal environments and rural locations.
Can you help with listed building renovations?
Yes, we have extensive experience in sympathetically renovating listed properties while improving energy efficiency.
Do you offer VR design visualisation?
Yes, we provide immersive VR experiences to help clients fully understand their future building's design and spatial relationships.
Are you RIBA accredited?
Yes, we are a Royal Institute of British Architects Chartered Practice, demonstrating our commitment to professional excellence.
How do you handle planning applications?
We manage the complete process including pre-application consultations, visual impact assessments, and parish council presentations.
Can you assist with construction phase?
Through our sister company ADD Sustainable Construction Ltd, we offer full construction management while maintaining strict conflict-of-interest protocols.