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Expert Architectural Services in Cambridge
Granta Architects is a RIBA Chartered architectural practice based in Cambridge, UK, with a steadfast commitment to design excellence. Our approach prioritises the development of close working relationships with every client, ensuring tailored solutions that respond innovatively to project briefs while maintaining a high standard of architectural detailing. With extensive experience spanning diverse projectsfrom small domestic extensions to large-scale university developmentswe apply consistent care and consideration to all commissions. Senior team members have worked on historically significant properties, including Grade I and II listed buildings, demonstrating our expertise in conservation and sensitive restoration. Our practice specialises in integrating sustainability principles across all project phases, from initial siting to long-term operation, treating conservation and environmental design as complementary aspects of sustainable architecture.

We maintain strong collaborative ties with conservation officers and organisations such as English Heritage, reflecting our dedication to preserving architectural heritage while advancing modern sustainability standards. Our portfolio showcases completed projects that exemplify our capabilities, with clear attribution of responsibilities for each commission. While currently unable to accept new projects, we remain committed to delivering exceptional architectural solutions through our established network of professional partnerships.
Services
Architectural Design Conservation Projects Sustainability Consultancy Residential Extensions Commercial Properties
Highlights and features
  • We are a RIBA Chartered architectural practice with proven industry standards.
  • Our team has decades of experience across diverse architectural projects.
  • We specialise in integrating conservation with modern sustainability principles.
  • We maintain close working relationships with English Heritage and conservation officers.
  • Our portfolio demonstrates consistent attention to architectural detailing and innovation.
Associations and certifications
  • RIBA Chartered Practice
Services
Architectural Design
We provide comprehensive architectural design services for residential and commercial projects. Our approach combines creative innovation with technical precision, ensuring solutions that meet client needs while adhering to planning regulations. Our expertise spans new builds, renovations, and adaptive reuse projects.
Conservation Projects
Specialising in historic building conservation, we work on listed properties and heritage sites. Our team applies specialist knowledge to preserve architectural integrity while implementing necessary modernisations. We collaborate closely with conservation officers to ensure compliance with heritage standards.
Sustainability Consultancy
We integrate sustainability principles throughout the design process, focusing on energy efficiency and environmental performance. Our consultancy covers material selection, thermal efficiency, and lifecycle analysis. We help clients achieve sustainable outcomes without compromising design quality.
Residential Extensions
We design and manage residential extension projects that enhance living spaces while respecting original architecture. Our services include planning applications, structural design, and interior layout optimisation. We specialise in creating functional, aesthetically pleasing home improvements.
Commercial Properties
Our commercial architecture services cover office spaces, retail units, and institutional buildings. We create functional, compliant environments that support business operations. Our experience includes student accommodation, care facilities, and university developments.
People
Katie Thornburrow
Principal Architect
Katie Thornburrow is the principal architect at Granta Architects with a distinguished career spanning multiple architectural firms. She has extensive experience in diverse projects and previously served as a Cambridge City Council member.
Questions
What architectural services do you offer?
We provide architectural design, conservation, sustainability consultancy, residential extensions, and commercial property services across Cambridge and the UK.
Are you qualified architects?
Yes, we are a RIBA Chartered architectural practice with professional accreditation and industry-recognised standards.
Do you work on listed buildings?
Yes, we specialise in conservation projects for Grade I and II listed properties, maintaining historical integrity while implementing modern improvements.
How do you incorporate sustainability?
We integrate sustainability through material selection, energy-efficient design, and lifecycle analysis to ensure environmentally responsible architecture.
Can you help with planning applications?
Yes, we manage planning applications and collaborate with local authorities to ensure compliance with regulations and conservation requirements.