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Award-Winning Architects in Stroud
Roger Gransmore Architect is an award-winning architecture practice based in Stroud, Gloucestershire. Our studio specialises in designing and delivering high-quality contemporary buildings that respect traditional principles and utilise natural local materials. We work throughout the Cotswolds, Gloucestershire, and the South-West, focusing on new-build homes, extensions, renovations of historic properties, and community-led residential schemes. Our collaborative and client-centred approach ensures we exceed expectations through meticulous attention to detail and innovative design solutions. We prioritise environmental sustainability, integrating climate-conscious practices and natural light to enhance the connection between buildings and their surroundings.

Our expertise in material performance and cost management enables us to create elegant, functional architecture within complex or historically sensitive constraints. As RIBA Chartered Architects, we adhere to rigorous professional standards, supported by a proven process aligned with the RIBA Plan of Work. Our team, led by Roger Gransmore, Jack Morton-Gransmore, and Abigail Portus, brings decades of combined experience and a track record of award-winning projects. We are committed to architectural excellence, combining craftsmanship with modern innovation to deliver enduring, adaptable spaces. Clients benefit from transparent communication, tailored design solutions, and a seamless journey from initial concept to project completion.
Services
New-Build Homes Renovation & Extension Sustainable Design Residential Projects Community-Led Schemes
Highlights and features
  • We offer a collaborative approach to create tailored design solutions.
  • Our expertise lies in sustainable materials and climate-conscious architecture.
  • Award-winning projects demonstrate our commitment to architectural excellence.
  • We provide cost management from planning to project completion.
  • Our team utilises natural light to enhance building functionality and well-being.
Associations and certifications
  • RIBA Chartered Architects
Services
New-Build Homes
We design contemporary new-build homes that blend modern aesthetics with traditional craftsmanship. Our approach prioritises sustainability, natural materials, and energy efficiency while respecting local architectural heritage. Each project is tailored to client needs, ensuring functional, enduring spaces that enhance quality of life.
Renovation & Extension
Our renovation services revitalise historic properties while preserving their character. We combine structural innovation with sensitive design to extend and modernise existing buildings. This includes adaptive reuse of materials and integrating modern comforts without compromising historical integrity.
Sustainable Design
We specialise in environmentally led architecture, utilising passive design principles, renewable energy systems, and low-impact materials. Our projects optimise natural light and ventilation to reduce carbon footprints while creating healthy, climate-responsive living environments for occupants.
Residential Projects
From concept to completion, we deliver bespoke residential schemes across diverse scales and budgets. Our expertise includes navigating planning constraints and maximising site potential to create functional, aesthetically striking homes that adapt to evolving lifestyle needs.
Community-Led Schemes
We design inclusive, community-focused developments that address social and environmental needs. Our process involves stakeholder collaboration to create spaces that foster connection, accessibility, and long-term value for local populations and organisations.
People
Roger Gransmore
Architect
Roger Gransmore co-founded Roger Gransmore Architect, bringing extensive experience in sustainable design and historic building conservation. His leadership focuses on innovative material use and client collaboration to achieve architectural excellence.
Jack Morton-Gransmore
Architect
Jack Morton-Gransmore specialises in contemporary residential projects, blending modern aesthetics with traditional craftsmanship. His expertise in cost-effective solutions ensures high-quality design remains accessible across diverse project scales.
Abigail Portus
Architect
Abigail Portus leads community-led schemes at Roger Gransmore Architect, prioritising environmental stewardship and social impact. Her work focuses on creating functional, inclusive spaces that address both client needs and broader societal challenges.
Questions
What architectural services do you specialise in?
We specialise in new-build homes, property renovations, sustainable design, residential projects, and community-led schemes across the Cotswolds and South-West England.
How do you approach sustainable architecture?
We integrate passive design, renewable energy systems, and natural materials to minimise environmental impact while enhancing building performance and occupant well-being.
Can you work on historically sensitive sites?
Yes, we have extensive experience renovating and extending historic properties while preserving their character and complying with conservation regulations.
What areas do you serve?
We operate primarily in the Cotswolds, Gloucestershire, and South-West England, with projects extending to other regions based on client needs.
How do you manage project costs?
We provide cost advice from initial planning through completion, ensuring transparent budgeting and value engineering to meet financial constraints without compromising quality.