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Sustainable Architecture & Passivhaus Design Experts
We are an employee-owned chartered architectural practice and energy consultancy based in Bristol. Our team combines over 30 years of experience with technical expertise in sustainable design, certified Passivhaus qualifications, and energy assessment capabilities. We specialise in creating energy-efficient buildings with low embodied carbon, supporting projects ranging from Passivhaus family homes to green business parks. Our collaborative approach ensures clients benefit from creativity, technical knowledge, and best practice construction methods. We prioritise strong relationships to deliver cost-effective, beautiful solutions that foster thriving communities.

Our commitment to sustainability aligns with industry standards like the PAS 2035 retrofitting framework. We have earned recognition through awards for design excellence and contributions to regeneration. Our portfolio spans housing, sport and leisure facilities, retrofit projects, and community-led developments. We actively engage stakeholders and local groups to create facilities that serve diverse community needs. Our expertise extends to industrial, healthcare, and educational environments, alongside advisory services for sustainable building practices.
Services
Housing Design Passivhaus Design Retrofit & Regeneration Sport & Leisure Facilities Community Consulting Energy Consultancy Commercial Architecture Industrial Design Healthcare Environments Educational Spaces
Highlights and features
  • We have over 30 years of experience in sustainable architectural design.
  • Our team includes Certified Passivhaus Designers and energy assessment experts.
  • We prioritise community-led approaches in all our development projects.
  • We deliver cost-effective, low-embodied-carbon buildings aligned with industry standards.
  • Our employee-owned structure ensures client-focused commitment and accountability.
Associations and certifications
  • Passivhaus Institute
  • PAS 2035
Services
Passivhaus Design
We create certified Passivhaus buildings that combine ultra-low energy consumption with comfort. Our designs meet rigorous international standards for thermal efficiency and airtightness. Specialising in residential and commercial projects, we deliver sustainable solutions that reduce operational costs and environmental impact while maintaining aesthetic quality.
Retrofit & Regeneration
We upgrade existing structures to modern energy efficiency standards using PAS 2035-compliant methodologies. Our retrofit projects enhance building performance while preserving structural integrity. We focus on community regeneration through adaptive reuse of heritage sites and underutilised spaces for contemporary needs.
Sport & Leisure Facilities
We design inclusive sports venues and recreational spaces that serve diverse communities. Our portfolio includes cricket centres, swimming facilities, and multi-use pavilions. We prioritise accessibility, durability, and integration with local environments to create lasting community assets.
Community-Led Housing
We collaborate with local groups to develop affordable, sustainable housing solutions. Our approach incorporates resident input throughout the design process. We create vibrant, low-carbon neighbourhoods that address local housing needs while promoting social cohesion and environmental responsibility.
Energy Consultancy
We provide expert guidance on achieving energy efficiency targets and carbon reduction strategies. Our consultancy covers building physics, thermal modelling, and compliance with environmental regulations. We support clients through all project stages from feasibility studies to post-construction evaluation.
Questions
What architectural services does gcp specialise in?
We specialise in sustainable architecture, Passivhaus design, retrofitting, sport and leisure facilities, and community-led housing projects across the UK.
Are your buildings certified to energy efficiency standards?
Yes, we deliver Passivhaus-certified buildings and ensure all retrofit projects comply with the PAS 2035 standard for energy efficiency.
Do you work on public and private sector projects?
We work with both sectors, having delivered projects for local authorities, sports organisations, housing associations, and private developers nationwide.
How do you involve communities in design processes?
We actively engage local groups and stakeholders through workshops and consultations to ensure our designs meet community needs and aspirations.
What regions do you operate in?
While based in Bristol, we work across the UK with completed projects in London, Yorkshire, Somerset, and the South West.