About Us
Mass Architecture is a dynamic design-led practice founded by Charlotte Harrison and Glen McGowan in 2004. Initially based in London, the practice made its home in York in 2009 and has since worked on a diverse range of projects across Yorkshire and the North. With a reputation for distinctive design, Mass Architecture has earned multiple awards for our work in both London and Yorkshire.
Our clients benefit from a collaborative and tailored approach, guided by a passionate and experienced team of architects and designers. We believe in delivering exceptional design with a personal touch, ensuring each project is not only functional but inspiring. Whether local, regional, or national, we pride ourselves on bringing creative solutions to every challenge.
Awards
Charlotte Harrison
Partner
Charlotte is a founding partner at Mass Architecture, with over 20 years of experience in design and refurbishment across commercial, community, and residential sectors.
Her career began with co-organizing an international architecture festival in Leeds in 1996, followed by project leadership at Allford Hall Monaghan Morris Architects, where she worked on projects for Shelter and the Barbican Arts Centre. Charlotte also taught design part-time at universities in London, Leeds, and Sheffield from 2004 to 2010.
Outside the office, Charlotte is a fine food lover, and passionate runner and cyclist, always plotting her next endurance challenge – whether it’s in the Highlands, Peaks or closer to home.
Glen McGowan
Partner
Glen is a founding partner at Mass Architecture, specializing in historic buildings and monuments. With a Masters in Conservation Studies from the University of York, he works across commercial, ecclesiastical, community, and private sectors.
Starting his career as a carpenter, Glen later studied architecture at Westminster University. Before founding Mass Architecture in 2004, he worked at MacCormac Jamieson Prichard Architects on high-profile projects like BBC Broadcasting House, Southwark Tube Station, and Cambridge University.
From 2014 to 2020, he chaired the Friends of York Walls, a local charity dedicated to preserving York’s historic city walls.
Glen has used boxing to stay fit for years, but these days you’ll find him hiking the local peaks or by the coast, casting a line for some sea fishing.
Ross Harrison
Senior Architect
Ross brings practical design and technical expertise to every stage of our projects, ensuring they meet our clients' needs. Qualifying as an architect in 2019, he has over ten years of experience working on high-value commercial, industrial, and regeneration projects before focusing on smaller residential designs.
With a background working on building sites, Ross has a solid understanding of construction and technical detailing, which serves him well when projects reach the construction phase.
Outside of work, Ross loves spending time outdoors with his young family, whether it’s long dog walks, gardening, or exploring nature—always with a good brew in hand.
Nick Walters
Architectural Assistant
Nick joined Mass Architecture as a Senior Architectural Assistant in October 2021, after completing his RIBA Parts 1 and 2 at the UWCC Welsh School of Architecture.
With experience ranging from large-scale new-build residential projects to smaller contemporary homes and care homes, he brings a diverse skill set to the team. Nick kicked off his career at Yorkon Ltd., where he worked with a multi-disciplinary team designing modular buildings.
Outside of architecture, Nick is a creative force, producing art and multi-media works that have been showcased at festivals like Illuminating York, Shambala, and York Design Week.
Murray Taylor
Architectural Technologist
Murray recently swapped the vibrant energy of London for the timeless charm of York, where he now brings his expertise to Mass Architecture.
Graduating with a Bachelor’s degree in Architecture from South Africa in 2011, Murray’s career spans diverse projects across Pretoria, Johannesburg, and London. His journey has equipped him with a robust set of skills in BIM, technical detailing, and a wealth of international experience. Over his eight years in London, Murray played a pivotal role as the project BIM Lead on landmark projects such as Newfoundland Tower, Battersea Power Station, Future Olympia, and Wimbledon’s Media Pavilion.
Outside of the office, Murray is an avid outdoor enthusiast, enjoying cycling, hiking, and photography. He also treasures quality time with his young children.
Sarah Milton
Finance & Administration
Sarah is the Office Administrator at Mass, bringing over a decade of experience supporting architectural practices. Her career began in London, where she worked with renowned practices such as Maccreanor Lavington, Adams & Sutherland, and Ab Rogers Design.
In 2020, she returned to her hometown of York and later joined Mass Architecture, where she plays a key role in ensuring the smooth operation of the practice. Her understanding of architectural workflows allows her to support the team with admin and account management.
Beyond the office, Sarah is a passionate gardener with a particular interest in lawn care. She enjoys exchanging insights on the art of maintaining the perfect green space, bringing the same dedication and precision to her garden as she does to her work.